MTH500_DSM 380-430

MTH500 TETRA Portable RadioR1:380-400 MHz (PT811F) Detailed Service Manual Part Number: 6802963C70 @6802963C70@ Printed on recycled paper. Environmentally friendly cover and spiral bound. European Publications Department . 68P02963C70-O, Issued: 05.02. Scope of this Manual This manual contains information necessary to identify and troubleshoot the MTH500 Portable radio at the component level. It also contains information on radio assembling, disassembling, and maintenance. Accordingly, information in this manual is divided into four sections: • • • • • Overview Theory of Operation Troubleshooting Radio Programming Maintenance Trademarks MOTOROLA and the Stylized M Logo are registered in the U.S.Patent and Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2001 Safety And General Information Important Information on Safe and Efficient Operation Read this Information before Using your handset The information provided in this document supersedes the general safety information contained in service manuals published prior to June 2001. For information regarding handset use in a hazardous atmosphere please refer to the Factory Mutual (FM) Approval Manual Supplement or Instruction Card which is included with handset models that offer this capability. Manual Revisions Changes which occur after this manual is printed are described in Manual Revisions. These Manual Revisions provide complete information on changes including pertinent parts listing data. Related Publications • 68P02963C30-O MTH500 User Guide • 68P02963C65-O MTH500 Basic Service Manual • 68P02956C20-F CPS User’s Guide • IFR-Operational Manual Supplement 46882-324 • IFR-Operational Manual 46882-274T Radio Frequency (RF) Operational Characteristics Your handset contains a radio frequency transmitter to convey the information you wish to send as well as occasional automatic signals used to sustain connection with the wireless network, and a receiver which enables you to receive communication and connection information from the network. Handset Operation And EME Exposure Your Motorola handset is designed to comply with the following national and international standards and guidelines regarding exposure of human beings to radio frequency electromagnetic energy: Computer Software Copyrights The Motorola products described in this manual may include copyrighted Motorola computer programs stored in semiconductor memories or other media. Laws in the United States and other countries preserve for Motorola certain exclusive rights for copyrighted computer programs, including the exclusive right to copy or reproduce in any form the copyrighted computer program. Accordingly, any copyrighted Motorola computer programs contained in the Motorola products described in this manual may not be copied or reproduced in any manner without the express written permission of Motorola. Furthermore, the purchase of Motorola products shall not be deemed to grant either directly or by implication, estoppel, or otherwise, any license under the copyrights, patents or patent applications of Motorola, except for the normal non-exclusive royalty free license to use that arises by operation of law in the sale of a product. • United States Federal Communications Commission, Code of Federal Regulations; 47 CFR part 2 sub-part J • American National Standards Institute (ANSI) / Institute of Electrical and Electronic Engineers (IEEE) C95. 1-1992 • Institute of Electrical and Electronic Engineers (IEEE) C95.1-1999 Edition • National Council on Radiation Protection and Measurements (NCRP) of the United States, Report 86, 1986 • International Commission on Non-Ionizing Radiation Protection (ICNIRP) 1998 • Ministry of Health (Canada) Safety Code 6. Limits of Human Exposure to Radiofrequency Electromagnetic Fields in the Frequency Range from 3 kHz to 300 GHz, 1999 ii 68P02963C70-O • Australian Communications Authority Radiocommunications (Electromagnetic Radiation – Human Exposure) Standard 1999 (applicable to wireless phones only) • Anatel, Brasil Regulatory Authority “This equipment is in compliance with the limits of Specific Absorption Rate which refer to the exposal to electric, magnetic and electromagnetic fields adopted by ANATEL.” To assure optimal handset performance and make sure human exposure to radio frequency electromagnetic energy is within the guidelines set forth in the above standards, always adhere to the following procedures: Electromagnetic Interference/Compatibility NOTE: Nearly every electronic device is susceptible to electromagnetic interference (EMI) if inadequately shielded, designed or otherwise configured for electromagnetic compatibility. Facilities To avoid electromagnetic interference and/or compatibility conflicts, turn off your handset in any facility where posted notices instruct you to do so. Hospitals or health care facilities may be using equipment that is sensitive to external RF energy. Aircraft When instructed to do so, turn off your handset when on board an aircraft. Any use of a handset must be in accordance with applicable regulations per airline crew instructions. Medical Devices Pacemakers The Health Industry Manufacturers Association recommends that a minimum separation of 15 centimetres be maintained between a handheld wireless handset and a pacemaker. These recommendations are consistent with those of the U.S Food and Drug Administration. Persons with pacemakers should: Phone Operation When placing or receiving a phone call, hold your handset as you would a wireline telephone. Speak directly into the microphone. Two-way radio Operation When using your handset, hold the handset in a vertical position with the microphone 2.5 to 5 cm away from your mouth. Body-worn Operation To maintain compliance with these RF exposure guidelines, if you wear a handset on your body when transmitting, always place the handset in a Motorola approved belt clip or leather case for this product. Use of non-Motorola-approved accessories may exceed these RF exposure guidelines. If you do not use a Motorola approved body-worn accessory and are not using the handset in the intended use positions along side of the head in the phone mode or in front of the face in the two-way radio mode, then ensure the antenna and handset is kept the following minimum distances from the body when transmitting: • ALWAYS keep the handset more than 15 centimetres from their pacemaker when the handset is turned ON. • not carry the handset in the breast pocket. • use the ear opposite the pacemaker to minimise the potential for interference. • turn the handset OFF immediately if you have any reason to suspect that interference is taking place. Hearing Aids Some digital wireless handsets may interfere with some hearing aids. In the event of such interference, you may want to consult your hearing aid manufacturer to discuss alternatives. Other Medical Devices If you use any other personal medical device, consult the manufacturer of your device to determine if it is adequately shielded from RF energy. Your physician may be able to assist you in obtaining this information. • • Phone or Two-way radio mode: 2.5 cm Data operation using any data feature with or without an accessory cable: 2.5 cm Antenna Care Use only the supplied or an approved replacement antenna. Unauthorized antennas, modifications, or attachments could damage the handset and may violate FCC regulations. DO NOT hold the antenna when the radio is “IN USE”. Holding the antenna affects call quality and may cause the radio to operate at a higher power level than needed. Approved Accessories For a list of Approved Motorola accessories, please see “REPLACEMENT PARTS AND KITS” on page 45. 68P02963C70-O iii • Use hands-free operation. The conductive material may complete an electrical circuit (short circuit) and become quite hot. If a radio is placed in the air bag deployment area and the air bag inflates. and any other area where you would normally be advised to turn off your vehicle engine. in a blasting area. dust. particularly when placing it inside a pocket. • Pull off the road and park before making or answering a call if driving conditions so require. posted. Declarations of Conformance with the requirements are located at: Motorola a/s Midtager 20 DK-2605 Brondby Potentially Explosive Atmospheres Turn off your handset prior to entering any area with a potentially explosive atmosphere. or metal powders. Do not remove.Safety and General Use While Driving Check the laws and regulations on the use of radios in the area where you drive. if available. the radio may be propelled with great force and cause serious injury to occupants of the vehicle.” Obey all signs and instructions. Batteries All batteries can cause property damage and/or bodily injury such as burns if a conductive material such as jewellery. Air bags inflate with great force. or CENELEC Approved). unless it is a handset type especially qualified for use in such areas as “Intrinsically Safe” (for example. purse. European Union Directives Conformance Statement This product is in conformance with the TETRA (TErrestrial Trunked RAdio) standard. ! WARNING Operational Warnings For Vehicles Equipped with an Air Bag Do Not place a handset or install a Vehicular Adapter in the area over an air bag or in the air bag deployment area. turn off your handset when you are near electrical blasting caps. iv 68P02963C70-O . please: • Give full attention to driving and to the road. CSA. Always obey them. Areas with potentially explosive atmospheres are often. install. or other container with metal objects. areas where the air contains chemicals or particles such as grain. Sparks in a potentially explosive atmosphere can cause an explosion or fire resulting in bodily injury or even death. but not always. This product is in conformance with the requirements of the applicable EU Council Directives. keys. When using the handset while driving. Factory Mutual. Exercise care in handling any charged battery. Operational Cautions ! Caution Antennas Do not use any handset that has a damaged antenna. or charge batteries in such areas. or beaded chains touch exposed terminals. Blasting Caps and Areas To avoid possible interference with blasting operations. UL. If a damaged antenna comes into contact with your skin. NOTE: The areas with potentially explosive atmospheres referred to above include fuelling areas such as below decks on boats. or in areas posted: “Turn off two-way radio. fuel or chemical transfer or storage facilities. a minor burn can result. . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Transmitter Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 Detailed Circuit Description . . . . . . . . . . . . . 2-5 Transmitter Path . . . . 1-1 Voice Compression Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 RX Second Local Oscillator (LO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 Attenuator . . . . . . . . . . . . . 2-11 Second Pre-selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Block Diagram Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 68P02963C70-O v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi MTH500 Model Specifications . . . . 2-3 Frequency Generating Section . . . . . . . . . . 2-9 Offset VCO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Frequency Generating Section Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Section Introduction . . . . . . . . . . . . 1-2 Transceiver Description . . . . . . . . . . . . . . . Detailed Circuit Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 Antenna Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7 Frequency Generating Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 Block Diagrams Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Digital Section Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 Receiver Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Transmitter Path Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Digital Modulation Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 Front Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 Digital Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 LNA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 Main Synthesizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 Digital Mode of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii MTH500 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 Limiter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Receiver Path Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Contents MTH500 Portable Radio Model Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 General . . . . . . . . . . 2-1 Receiver Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 Receiver Path. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SRAM Memory . . . . V4 Linear Regulator . WPIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RF Power Amplifier . . . . . . . . . . . . . DSC Linear Regulator . . . . . . . LNODCT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Switcher #2 (Boost Mode Converter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V2 Linear Regulator . . BALUN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Current Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IF Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DC Power Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Frequency Generating Section Detailed Circuit Description . . . . . . . Antenna Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V3 Linear Regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Detailed Circuit Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Serial Peripheral Interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Top LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Main VCO and Main Synthesizer . . . . . . . . . . . . . TS_REF Linear Regulator . . . Tx Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Second LO VCO . . . . . . . . . . . . . . . . . . 2-11 2-12 2-12 2-12 2-13 2-13 2-13 2-14 2-14 2-14 2-15 2-15 2-15 2-15 2-16 2-17 2-17 2-17 2-18 2-18 2-20 2-20 2-20 2-20 2-20 2-20 2-21 2-21 2-21 2-21 2-21 2-21 2-23 2-23 2-23 2-23 2-23 2-25 2-26 2-26 2-26 2-27 2-27 2-27 2-28 2-28 2-28 2-29 2-29 2-29 2-29 2-29 vi 68P02963C70-O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Coupler and Feedback Path . . . . . . . . . . . . . . Accessory Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Display and Keypad Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Isolator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Backlight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Detailed Circuit Description . . LO LINE-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BALUN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Radio Audio System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WPIC (receiver section) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . REF. . . . . . . . . . . . . . . . . . . . . . . . . . . V1 Linear Regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RS232. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digital Section. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Flash Memory . . . . . . . . . . Harmonic Filter . . . . . . Battery ID . . . . . . . . . . . . . .FILTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SB9600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Backlight and LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VREF2 Linear Regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . LMX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Contents Mixer . . . . . . . . . Rx Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Switcher #1 (Synchronous Buck Mode Converter) . . . Forward Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VREF1 Linear Regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . Transmitter Path. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WPIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Radio Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Host Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Dual Synthesizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TCXO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Offset VCO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 TMO Troubleshooting Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .775V) Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21 Receiver Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 Digital Analysis Test (Cont. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .775V/PWM2_1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Digital Troubleshooting .Contents Mode Select (OPTION1 and OPTION2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8V) Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25 Offset VCO Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .775V) Test (Cont. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 Digital Analysis Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3 68P02963C70-O vii . . 5-2 Disassembling and Reassembling the MTH500 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18 WPIC Test . . . . . . . . . . . . . . . . . . . 5-1 Safe Handling of CMOS Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15 Standby Current Troubleshooting . . . . . . . . . 5-1 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 Protecting Static-Sensitive Devices . . . . . . . . . 3-4 Digital Analysis Test (Cont. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6V) Test . . . . 5-3 To create a proper ground: . . . . . . . . . . . . .) . . . . . . . . . . . . . . . . . . . . . . 3-1 Troubleshooting Flowcharts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20 Transmitter Current Consumption Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Codeplug Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7 DC Distribution (V2_2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Programming The Radio . 4-1 Application Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24 Second LO VCO Test . . . . . . . 3-3 Digital Analysis Test (Cont. . . . . . . . . . . . . . . . 3-27 Programming the Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6 DC Distribution (V2_2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15 Open Loop Power Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 Maintenance . . . . . . . 3-1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22 Synthesizer Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Test Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .775V) Test (Cont. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) . . . . . . . . . . . . . . . . . . 3-14 Transmitter Troubleshooting . . . . . . . . . 3-2 DMO Troubleshooting Charts . . .) . . . . . . . . . . .) . . . . . . . . . . . 3-26 Audio Troubleshooting (External Mic to External Out) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11 DC Distribution (V4_2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .775V) Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13 DC Distribution (V5_RF/PWM1/VSIMI _5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19 Closed Loop Power Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17 Open Loop Power Test (Cont. . . . . . . 2-30 Troubleshooting . . . . . . . . . . . . . . . 3-16 Open Loop Power Test (Cont. . . . . . . . . . . . . . 5-3 To store or transport a circuit board: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9 DC Distribution (V2_2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-23 Synthesizer Troubleshooting (Cont. . . . . . . . . . . . . 3-8 DC Distribution (V2_2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 DC Distribution (SWB+) Test . . . . . . . . . . .775V) Test (Cont. . . . . . . . .) . . . . . . . . . . . . . . . . . . . . . . . . . 3-12 DC Distribution (V3_2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15 Removing the earphone: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14 Removing and Installing the Microphone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7 Removing and Installing the Vibrator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11 Removing and Installing the LCD Module Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4 To remove the battery: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6 To install the battery door: . . . . 5-14 Installing the keypad: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4 To remove the antenna from the unit: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9 Removing and Installing the Keypad and LCD Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15 Removing and Installing the Earphone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A1-2 viii 68P02963C70-O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6 Removing the back housing from the unit: . . . . . . A1-1 Ordering Parts . . A1-1 Latin America Region . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17 Component Board Layouts . . . . . . . . . . . . 5-5 To install the battery: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15 Installing the earphone: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14 Removing the keypad: . . . . . . . . . . . . . . . . . . 5-15 Removing the microphone: . . . . . . . . . . . . . . 5-15 Installing the microphone: . 5-10 Removing the keypad and LCD boards from the unit: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A1-1 Level 3 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4 To install the antenna in the unit: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15 MTH500 Components List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13 Removing and Installing the Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9 Removing the main board from the unit: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 Schematic Diagrams and Parts Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12 To remove the LCD module assembly from the unit: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6 Installing the back housing: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4 Removing and Installing Battery Door and Battery . . . . . . . . . . . . 5-6 Removing and Installing the Back Housing . . . . . 5-9 Installing the main board: . . . . . . . . . . . . . . . . . . . . 6-7 Appendix 1 Replacement Parts and Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8 Installing the vibrator: . . . . . . . . . . . . . . . . 5-4 To remove the battery door from the unit: . . . . . . . . . . . . . . . . A1-1 EMEA Region . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8 Removing and Installing the Main Board . . . . . . . . .Contents Removing and Installing the Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7 Removing the vibrator: . . . . 5-10 Installing the keypad and LCD boards: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12 To install the LCD module assembly: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A3-1 Self Check Error Codes . . . . . . . . . . . . . . . . .Contents Appendix 2 Test Equipment. . . . . . . . A4-1 68P02963C70-O ix . . . . .A3-1 Appendix 4 Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . Service Aids & Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A2-1 Appendix 3 Self Check Error/Fail Code Tables . . . A3-1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Contents THIS PAGE INTENTIONALLY LEFT BLANK x 68P02963C70-O . 0 Watts F=6.With Display K= Limited Controls .Power Level A=0 to 0.Model Series 02=Motorola 06=Motorola 07=Motorola 08=Motorola 12=Motorola 13=Motorola 39=Motorola Digital Communicator Advanced Feature Digital i370 Products i1000 Products 3:1 Mobile Ruggedized Digital MTH500 Family Position 12 .25 kHz 3=10 kHz 4=12. Position 5 . 1W.Channel Spacing 1=5 kHz 2=6.Feature Level 1=Basic 2=Limited Pkg 3=Limited Plus 4=Intermediate 5=Standard Pkg 6=Standard Plus 7=Expanded Pkg 8=Expanded Plus 9=Full Feature/ Programmable Position 9 .Basic Display N=Enhanced Controls .0 Watts E=5.1 to 6. Hand-Held Portable Radio Models: Black H39PCN6TZ5AZ.7 to 0.Primary System Type R=iDEN Basic S= iDen AFU Z= Dimetra Position 8 .9 Watts C=1.Primary Operation N=Digital Front Q=Low Profile -Basic Display R=Digital Multi-Service T=TDMA Digital Dual Mode 68P02963C70-O xi . 380-400MHz MODEL NUMBERING SYSTEM Typical Model Numbering: M Position: 1 Position 1 .With Display H=Full Keypad .0 to 3. they are not absolute.Physical Packages F=Limited Keypad .5 kHz 5=15 kHz 6=25 kHz 7=30 kHz Position 11 .7 Watts B=0.0 to 5. 380-400MHz Blue H39PCN6TZ5AR.Type of Unit H = Hand-Held Portable M = Mobile Product Positions 2 and 3 .0 Watts Position 6 .Unique Model Variations N=Standard Package R=Blue Housing Z=Black Housing 1 2 2 3 P 4 C 5 N 6 6 7 T 8 Z 9 5 A Z 10 11 12 Position 4 .1 to 10.Enhanced Display Position 7 .9 Watts D=4.Foreword MTH500 Portable Radio Model Information This manual applies to the following MTH500.Version Version Letter (Alpha) Major Change Version Letter (Beta) Major Change Position 10 .Frequency Band P=380 to 400 MHz Q=410 to 430 MHz *Values given represent range only. without battery Specifications subject to change without notice. Adjacent Channel Power (at± 25kHz) – 60 dB Portable Dimensions HxWxD in MMs: 140x55x31 mm Weight: <155gr. High Capacity SNN5706A 1100mAH (LiIon) Spurious Rejection: Interfering Signal Level: -36dBm -30dBm -36dBm -30dBm Frequency Stability: Locked to Base Not Locked to Base Battery Voltage: Minimum: Nominal: 3.4 Vdc 3. xii 68P02963C70-O .8 Vdc Audio Rated: Distortion at Rated Audio: ± 100 Hz ± 2 ppm 0. Standard SNN5705C 800mAH (LiIon).Foreword MTH500 Model Specifications GENERAL ETSI Type Number: ETS 300 394-1 R1:380-400 MHz: PT811F RECEIVER Receiver Type: Frequency Range: Class A and B R1:380-400 MHz TRANSMITTER Modulation Type: p/4DQPSK Temperature Range for Transceiver: Operating: Storage: -20°C to +60°C -40°C to +85°C Channel Spacing: Sensitivity (4%) BER: Intermodulation: Interfering Signal Level: Selectivity Blocking: (50-100 kHz) Interfering Signal Level: 25 kHz -112 dBm (4%) BER -47 dBm (4%) BER -40 dBm (4%) BER -45 dBm RF Power 1Watt Frequency Range: Frequency Stability: Locked to Base Not Locked to Base Spurious Emissions Conducted 30MHz-1GHz 1GHz-4GHz Radiated 30MHz-1GHz 1GHz-4GHz R1: 380-400 MHz ± 100 Hz ± 2 ppm Battery Types: Standard SNN5705B 800mAH (LiIon).5 W 5% Max. Foreword MTH500 Accessories Kit Number Batteries FTN6030A FTN6037A FTN6031A FTN6038A Chargers FLN9468A SPN4716B SYN7455A SYN7456A FLN9469A Vehicular Adapters FLN2850A FLN9569A Audio accessories WADN4184A FLN9470A FLN9568A Carrying Accessories FLN9476A FHN6246A Others Soft leather carry case Belt clip Headset with Boom mic and in line PTT Headset with Boom mic (On Hold) PHF Car Kit Stand alone car cradle Dual Pocket Desktop Charger Travel charger Plug Adapter UK for travel Charger Plug Adapter EU for travel Charger Vehicular battery charger Extended battery. LiIon. 800mAh. Black (with battery door) Extended battery. 1100mAh. LiIon. 800mAh. LiIon. 1100mAh. Black (with battery door) Standard battery. Blue (with battery door) MTH500 Model Description 68P02963C70-O xiii . Blue (with battery door) Standard battery. LiIon. Foreword THIS PAGE INTENTIONALLY LEFT BLANK xiv 68P02963C70-O . Time allocation enables each unit to transmit its voice information without interference from other transmitting units. which alter the RF signal and transmit the information. Transmission from a unit or base station is accommodated in time-slot lengths of 15 milliseconds and frame lengths of 60 milliseconds. When the signal is received.1 . which is transmitted over the air to another radio. It uses two digital technologies: p/4DQPSK and Time Division Multiple Access (TDMA). 68P02963C70-O 1. Digital Modulation Technology The MTH500 is a 380-400 MHz portable radio that can operate in dispatch and phone mode. This stream is then modulated into a radio-frequency (RF) signal. p/4DQPSK is a modulation technique that transmits information by altering the phase of the radio frequency (RF) signal. This radio can also operate in TMO (Trunked Mode Operation) and DMO (Direct Mode Operation). The process is called digital modulation.Overview General To achieve a high spectrum efficiency. the change in phase is converted back into symbols and then into the original data. Data is converted into complex symbols. one for each unit. The voice of the person speaking into the microphone is converted into a digital bit stream consisting of zeros (0) and ones (1). Time Division Multiple Access (TDMA) is used to allocate portions of the RF signal by dividing time into four slots. the MTH500 uses digital modulation technology and sophisticated voice-compression algorithm. The system can accommodate 4-voice channels in the standard 25 kHz channel as used in the two-way radio. The TDMA technique requires sophisticated algorithms and a digital signal processor (DSP) to perform voice compressions/decompressions and RF modulation/demodulation. 13-bit CODEC. and level amplification for the microphone audio input and the received audio output. It carries out linear 16-bit analog to digital conversions. A audio power amplifier is used for the loud speaker. transmitter. Digital Section Description The digital section includes the Redcap 2 that consists of the Mcore risk machine and the Digital Signal Processor (DSP). It controls the operation of the transmitter. audio routing. audio. which are represented by bits.Overview Voice Compression Technology Voice is converted into a digital bit stream by sampling the voice at high rate and converting the samples into numbers. and synthesizer integrated circuits located in the RF section. It also performs Forward Error Correction and other correction algorithms for overcoming channel errors and ACELP speech coding. Description Transceiver Description All the radio circuitry is contained in the Digital/RF Board and the keypad board. receiver. microphone and ear piece amplifiers. The power and audio section is based on the GCAP III and includes power supplies. It also includes a novel cartesian feedback loop to enhance its transmitter linearity and reduced splattering power into adjacent channels. The MTH500 uses a coding technique called ACELP (Algebraic Code Excited Linear Prediction). It communicates with the keypad and display. and receiver. The Digital/RF board is divided into the following sections: digital. Transmitter Path Description The transmitter circuitry includes a linear class AB Power Amplifier (PA) for the linear modulation of the MTH500. The compressed voice-data bits modulate the RF signal. The Digital Signal Processor (DSP) which performs modulation and de-modulation functions for the radio. 1-2 68P02963C70-O . Voice compression reduces the number of bits per second while maintaining the voice at an acceptable quality level. audio filtering. frequency generating. The Mcore is the controller of the Digital/RF Board. Crystal Filter. and Harmonic Filter. The first IF consists of the Crystal Filter and WPIC ASIC. DSP PLL. Antenna Switch. LNODCT ASIC Synthesizer. and Host PLL. WPIC ASIC Synthesizers. Main VCO. ceramic filter. REF.Overview The transmitter path consists of a novel cartesian feedback loop that contains the forward and loop feedback paths. attenuator. The forward path includes the low noise ODCT (Offset Direct Conversion Transmitter). Attenuator. External Offset and second LO Synthesizer. The cartesian Feedback output power passes to the antenna through the Isolator. LNA. 68P02963C70-O 1-3 . Receiver Path Description The receiver path includes the Antenna Switch. The loop feedback path includes the directional coupler. SAW. Frequency Generating Section Description The frequency generating section provides description of the following main components: Fractional-N Synthesizer. Balun. mixer. oscillator. and Power Amplifier. and WPIC (World Phone IC). and LNODCT (Low Noise Offset Direct Conversion Transmitter) ASIC. Overview THIS PAGE INTENTIONALLY LEFT BLANK 1-4 68P02963C70-O . An overview of these four sections is provided in the following paragraphs: • • • • Receiver Section Transmitter Section Digital & Audio Section Frequency Generating Section (Synthesizer) 68P02963C70-O 2-1 .Theory of Operation Section Introduction This section provides a block diagram overview of the main Digital/RF Board. This is supplemented by the detailed block diagram and detailed circuit description. Block Diagram Overview The main Digital/RF Block contains the following four sections (see Figure 1). Theory of Operation Antenna Battery DC Block Antenna Switch Main Board Transmitter Digital Block Synthesizer Receiever Audio LCD KeyPad Figure 1 General Block Diagram Receiver Section The receiver section includes the following main components: • • • • • • • • • • Antenna Switch Limiter Front Filter Low Noise Amplifier (LNA) Second Pre-selector Attenuator Mixer IF Filter Balun WPIC 68P02963C70-O 2-2 . and Power Amplifier. Balun.Theory of Operation The Receiver Path implements an Automatic Gain Control (AGC). The WPIC performs the following functions: • • • • • • • Carries out amplification and quadrature down conversion of the signal into the second IF. The first Intermediate frequency (IF) circuit consists of the Mixer. It is required to maintain a good receiver linearity over a wide range of incoming signals and prevents clipping of high level signals. Converts the second IF analog signal into digital I & Q formats. and LNODCT (Low Noise Offset Direct Conversion Transmitter) ASIC. Antenna Switch. The loop feedback path includes the directional coupler. They are located in the WPIC. and Harmonic Filter. The forward path includes the low noise ODCT (Offset Direct Conversion Transmitter). It also includes a novel cartesian feedback loop to enhance its transmitter linearity and reduced splattering power into adjacent channels. The cartesian Feedback output power passes to the antenna through the Isolator. Synthesizes the receive and data transmit data clock. Transmits the received data to the DSP. Digital Section This section includes the REDCAP2. The digital section contains the following: • • • • • • • REDCAP2 Power On/Off circuitry Serial peripheral interface (SPI) Host memories (flash and SRAM) Bottom connector signal MUX Keypad block and connector LCD (liquid-crystal display) circuit and connector 68P02963C70-O 2-3 . attenuator. Performs IF AGC. Synthesizes the Sigma-Delta clock. IF Filter. and WPIC. The transmitter path consists of a novel cartesian feedback loop that contains the forward and feedback paths. which controls the transmit. and synthesize operations of the integrated circuits located in the RF section. Transmitter Section The transmitter circuitry includes a linear class AB Power Amplifier (PA) for the linear modulation of the MTH500. Attenuator. Synthesizes the second VCO frequency. The second IF consists of an analog IF and a digital mixer that converts to base band. Within the REDCAP2 is the DSP and the serial communication interface. receive. 2nd Local Oscillator (LO) VCO together with the LMX Dual Synthesizer.TCXO Main Synthesizer . 2-4 68P02963C70-O . Offset VCO together with the LMX Dual Synthesizer.Theory of Operation Frequency Generating Section The frequency generating section contains the following components: • • • • REF.consists of the WPIC’s PLL and the Main Voltage Controlled Oscillator (VCO). Oscillator . Theory of Operation Block Diagrams Descriptions The block diagrams descriptions cover Receiver Path, Transmitter Path, Digital Section, and Frequency Generation Section. Receiver Path The received signal (see Figure 2) from the antenna is directed by the Antenna Switch to the Front Filter. LC Front Filter IL=2.5dB WPIC (DSP) Figure 2 Receive Path Block Diagram This block-type filter, which defines the receive frequency range, blocks the half IF and image frequency entry, and reduces the RF oscillator leakage. The signal is mixed with the local oscillator to create the first IF at 109.65 MHz. The signal is filtered by the crystal filter and sent to the WPIC ASIC. The WPIC performs down conversion to the second IF at baseband frequency (0 Hz) and converts the second IF analog signals into digital-in-phase (I) and Quadrature (Q) formats. This 68P02963C70-O 2-5 Theory of Operation data is sent for further processing to the Digital Signal Processor (DSP) (part of RedCap2) over the Synchronous Serial Interface (SSI) data links. The DSP performs: the demodulation, Forward Error Correction (FEC) and other correction algorithms for overcoming channel errors, and the GCAP decoder procedure for digital speech data decompression. Transmitter Path When the radio is transmitting (see Figure 3), the microphone audio is sent to the GCAP (CODEC). The CODEC performs analog-to-digital conversion and the digital signal is routed to the DSP. The DSP performs coding, Error Correction and modulation. From the DSP, the signal is sent to the WPIC+. -3.5dB WPIC+ LNODCT Balun-Filter 4dB Attenuator 36 - 39dB RF PA -1dB Isolator Antenna Switch -0.8dB Harmonic Filter -8dB REDCAP2 Attenuator GCAP Power at Antenna:30dBm ± 2dB Figure 3 Transmit Path Block Diagram In the WPIC+ data is converted into analog signal. This signal is also filtered. From the WPIC+, the data is injected to the LNODCT. In the LNODCT the data is mixed with RF signal. From the differential output of the LNODCT the modulated RF signal is injected to the Balun-Filter, that transforms the differential input into single output, and then it is routed to the antenna via the Antenna Switch. The feedback signal is used for power control. 2-6 68P02963C70-O Theory of Operation Digital Mode of Operation The digital section (see Figure 4) contains the radio's Redcap Risk-processor with its external memory and DSP, including its memory, within. GCAP III includes switching regulator and linear regulators, audio preamplifiers, CODEC 13-bit, 8channel 8-bit A/D Converter, Regulators, Audio Amplifier. The Redcap controls the receive/transmit frequencies, power levels, display, keypad, accessories, MMI, and other radio functions. This microprocessor can be operated through the RS232 interface by a personal computer to program the FLASH. The codec distribution is supported by the Global Control Audio Power (GCAP III) IC. This IC supplies power to the radio using step-down PWM regulator supplying 1.88 VDC to the Redcap core, V3 linear regulator 2.775VDC to the external memories, display and Redcap peripheral modules, supplying V2 to the A/D converter, GCAP internal logic, and audio amplifier. The regulator's power-down mode is controlled by the redcap, which senses the ON or OFF condition. The DSP performs signalling, and voice encoding and decoding. The audio filtering and volume control, and analog-to-digital and digital-to-analog conversions on audio signals, are performed in the GCAP's Codec. . CS2 OE EB1 EB0 CS0 RW CE OE WE WE CE UB LB OE SPI Display REDCAP2 U401 SPI Bus Address Bus Data Bus Chip Selects RF Bus FLASH U403 DATA ADR SRAM U402 DATA ADR 16 22 16 19 RS232 To Radio Bottom Connector Control Bus Keypress Detect Row Lines (5) Column Lines (5) Keypad Board Figure 4 Digital Section Block Diagram 68P02963C70-O 2-7 2nd Local Oscillator (LO) VCO together with the LMX Dual Synthesizer.65 MHz to RX Mixer Reference Oscillator .65 MHz to TX Mixer Figure 5 Frequency Generation .consists of the WPIC’s PLL and the Main Voltage Controlled Oscillator (VCO).Theory of Operation Frequency Generating Section The frequency generating section contains the following components (see Figure 5): • • • • REF. Oscillator .65 MHz to Offset Mixer LPF Osc. 50kHz Data OSC_IN FINIF Divider RF Section DORF LPF Second LO 219.65-513. 100kH z OSC_IN FINRF Main LOIN Synthesizer Main VCO Buf fer LPF Osc. Dual Synthesizer (U808) Of fset VCO IF Section DOI F 113.Block Diagram 2-8 68P02963C70-O .TCXO Main Synthesizer .65-513.TCXO PRSCI N 493. WPI C XTALBASE CPGITR 493. Offset VCO together with the LMX Dual Synthesizer.3MHz Osc. It produces the output of the offset VCO 113.65 MHz. The 16. RX Second Local Oscillator (LO) The second LO synthesizer supplies the second IF local oscillator frequency to the receiver.65 MHz frequency and to up-convert the 113. and Main VCO on board. Main Synthesizer The Main Synthesizer consists of the WPIC internal PLL modules. It produces the LO signal to down-convert the receive signal to the first IF 109.3 MHz that is divided by two in the WPIC in order to down-convert the received signal to the baseband. oscillator -TCXO.8 MHz reference frequency is divided in the WPIC and in the Dual Synthesizer to produce required reference frequency for the other synthesizers. It produces 219.65 MHz transmitter IF frequency to produce the RF carrier frequency. This is a digital temperature compensated crystal oscillator producing an accurate and stable 16. 68P02963C70-O 2-9 . Offset VCO The Offset VCO consists of the LMX Dual Synthesizer and the VCO on board.Theory of Operation All frequencies originate from the REF.8 MHz reference frequency. The antenna switch attenuates the image 2 .10 68P02963C70-O .Theory of Operation Detailed Circuit Description Receiver Path.5dB Baseband Filters (DSP) Baseband Amplifiers GCAP Figure 6 Receiver Path Circuit Diagram Antenna Switch The signal coming from the antenna is routed to the receiver section via the harmonic filter. The signal continues to flow through image filter (equivalent quarter wave) transformer C1015 and L817 to the Rx section toward limiter diode D500. which is comprised of L890 and C1012. LC Front Filter IL=2. Detailed Circuit Description See Figure 6. L505.65 MHz). The pad attenuates RF power by 2. L518.7dB. C1048. R517. The Conversion Loss (CL) is typically 6. is to protect the mixer (U504) input from saturation. The LO (from the main VCO) signal passes via the matching circuit (C522. The LNA has an “enable” pin (pin 3) which is called VPD. it is important that it will maintain large gain and small Noise Figure .8dB.2dB and its IIP3 is typically 20dBm. L500. From the LNA the signal passes to second pre-selector. is typically 23dB.1. LC filter (FL501). The Insertion Loss (IL) is typically 2dB. which may damage the receiver front-end. Its IL is typically 2.11 . The front filter is also called -1st pre-selector and is used to attenuate the incoming parasitic RF frequencies. From the output of the LC filter the received signal is routed via a Pi-attenuator to the Mixer RF input. Second Pre-selector The 2nd Pre-selector (FL501) attenuates the non-linear products of the LNA and also the image product by 25dB. R965. especially the image frequency (25dB). When this pin receives a supply of 1. R943 68P02963C70-O 2 .8 V from DC switch (Q504) .the amplifier is enabled.Theory of Operation frequency by approximately 38dB. Limiter The limiter (D500) function is to prevent entering of signal with power higher then 30dBm. LNA The LNA module is the RF signal amplifier.5 dB.5dB Mixer The Mixer (U504) function is to down convert the incoming RF signal into IF signal (109. Front Filter The signal arrived from the limiter is flowing via the front filter (FL500) and routed to the Low Noise Amplifier (LNA) (U500) via C576.5dBm. The attenuation of wanted signal is typically 0. R580 and C507. Because the LNA is the first amplifier in the line. C532. Attenuator The purpose of the resistor Pi-attenuator (R519. C521. The IIP3 of the LNA is between -5dBm to -2. and the IF is produced at pin 6. The RF signal enters the Mixer at pin 1. R945). The LNA gain (U500) including output matching circuit. An impedance matching net is placed between the mixer and the IF filter (FL502). C531. WPIC (receiver section) The differential IF signal is amplified and transferred into the WPIC and mixed with 2nd LO signal. L504 and C539. The differential signal is routed to the WPIC (Word Phone IC) at pin A4 and B4. An internal AGC that is controlled by a control unit. L520. The voltage at the capacitor varies from 1. The 2. C536 and L501 to the BALUN. 2 . to the WPIC A/D block and than to the DSP.12 68P02963C70-O . The LO power at the LO mixer input is 2dBm. enters the Mixer at pin 3. C530 and C534.4V to 2. C524. The voltage at external capacitor C557 indicates the AGC attenuation level for the different input signal levels. IF Filter The IF signal is routed via the IF filter (FL502). The 2nd LO signal is routed to the WPIC at pin D1 and divided by 2 in to the quadrature generator block of the WPIC.Theory of Operation and C984). BALUN The Balun transforms the single ended input RF signal to a differential doubleended output. which has IL of 2.7V DC is supplied by switch Q500 to pin.5dB and attenuates parasitic products of the Mixer. and via an impedance matching network that consist of C546. The baseband signal from the mixer passes via a Baseband filters and amplifiers arrays that gives lower noise and better I & Q balance. The mixer conversion Loss is 7dB. C526. C527. It consists of L519.7V as a function of the power of the received signal. It consists of L512.4. establishes an appropriate attenuation for unwanted signals as well as an appropriate gain for wanted signals. C525. Filter I/Q Split LNODCT -3dB -5dB Isolator +30 WPIC (ADDAG part) REDCAP2 Figure 7 Transmit Path Circuit Diagram Forward Path WPIC The WPIC (World Phone IC) U503 receives serial data that is transmitted by the REDCAP2 at a 48 kbps rate to the SSI port (pin K10. Data is transmitted as a 16-bit ‘I’ word followed by a 16-bit ‘Q’ word. which are filtered and amplified. RXFS/SFS) at the beginning of every ‘I’ word transmission. TXCLK) and sends a frame sync signal (pin L11. and transferred to an interpolating filter. Detailed Circuit Description See Figure 7. STD). The WPIC sends a 2. due to its inherent common mode rejection. Power Amp. A differential output is used to minimize the noise pick-up. C8. OUTI. A9. The interpolated samples are rounded to 8 bits.1dB Offset VCO Dual Synthesizer Coupler Dr 0 BalunFilter -3 Att.13 . as well as to reduce image at multiples of the input data. Mixer -0. and run through the 8-bit D/A converters. The output is comprised of two separate low-level differential signals. OUTQB.4MHz 68P02963C70-O 2 . (FET) 37 ± 2 Att. The output signals are routed to the LNODCT IC where the transmitting loop is closed. to instruct the REDCAP2 to send data. I & Q (pins A8.Theory of Operation Transmitter Path. the received serial I & Q words from the REDCAP2 are converted into parallel I & Q words.8MHz to the REDCAP2 (pin K11. OUTIB). D8. -10dB Ant. The WPIC provides a serial clock of 4. The interpolating filter increases the sampling rate to reduce in-band quantization noise. In the WPIC. Switch +Harm. Main VCO Image Filter Att. The D/A converters take the digital I & Q words and convert them into analog signals. OUTQ. 65MHz is mixed with the Main VCO signal (493.65MHz) in the Mixer U800. the LNOCDT toggles the ASW line (pin J5. TXE). The output of the Mixer is the RF carrier frequency. The up-mixer consists of two mixers.65 . VCNTO) which enables the Antenna Switch during transmit time. The split I & Q LO signal is mixed with the base-band I & Q signals to produce an I and Q modulated signals at RF frequency. 2 . LNODCT The LNODCT (Low Noise Offset Direct Conversion Transmitter) U803 is the heart of the transmitter. 45. The signal is then output differentially on pins 51 and 52 (RFOUTB. They pass through a variable attenuator and then they are summed with the down converted I & Q feedback. LOI. LOQ.Q Splitter Q801. It also sends a differential signal (pins A11. TCLCKB) to the LNODCT. R819. MVCO). LOQB. The image filter attenuates the VCO and image frequencies and any outof-band spurs that may be present. one for the I channel and the other for the Q channel. Offset VCO is based on Dual Synthesizer IC U808 that receives data from REDCAP2 that defines Offset VCO parameters. After receiving the TSLOT signal. ASW) which signals the WPIC to set VCNTO signal LOW (pin J6. 56. BINIB and BINI). LOIB). LO LINE-UP LO LINE-UP includes MIXER U800.513. the BALUN-Filter output voltage amplitude is two times higher than the differential voltages amplitudes. WPIC starts to receive data from REDCAP2 after TXE signal (pin H8. Thus the LNODCT output signal is increased by 6dB in compare to each of the differential signals. The signal is amplified by LO FET Driver Q808 and routed to I-Q splitter U801 that converts the single input signal into two quadrature (90 degrees phase shift) ‘I’ and ‘Q’ signals and then routs them to the LNODCT LO input (pins 46. The differential base-band signals from the WPIC are inputted into the LNODCT on pins 58 – 61 (BINQB. and I . The Offset VCO signal 113. RFOUT). RF signal is sampled at the I-Q splitter input and applied to the LNODCT LO feedback (pin 24. BINQ. C10. The signal passes through the P-attenuator and image filter FL800. TSLOTB) that marks the beginning and the end of each transmission time slot of the REDCAP2 (whenever a TXE signal (pin H8 TXE) is received from the REDCAP2). TSLOT. LO Driver Q808. The BALUN-Filter has a 200 Ohm input and 50 Ohm single-ended output.14 68P02963C70-O .FILTER The differential RF signal is converted to a single-ended (unbalanced) signal by passing the BALUN-Filter FL801 (balanced-unbalanced filter). 57. BALUN .Theory of Operation low-level differential reference clock signal (pins B11. The base-band signal is then amplified and sent to the up-mixer. R808). TCLCK. Attenuator (R800. Image Filter FL800. A10. 16. diode D801 provides the additional capacitance during the Transmission mode. capacitors C835 and C832 compensate the parasitic inductance of the D801. 68P02963C70-O 2 . TOUT3). L921). it is used to pass the signal to Isolator FL801 and sample the signal thus providing the necessary feedback for the linearization and feedback correction. Antenna Switch The RF signal from the Isolator is applied to the PIN DIODES U802. C1029. The resistor R832 determines the DC current through PIN diodes. The RF output signal is disabled during the CLCH (Training) mode by setting the VCNTO signal HIGH thus providing the low output power during the training slot. amplified and summed with the base-band input signal. Coupler and Feedback Path A coupler U806 exists at the RF PA output. LC notch filter (L923. The isolator also protects the Cartesian loop from sudden VSWR variations that could lead to loop instability. The reflected power returned from the antenna. R834). The feedback signal is then mixed down to base-band in a quadrature down mixer. C1030) rejects the second harmonic of the RF signal. The PA IC consist of two amplifying stages. R833. In the Receiving mode the PIN diodes are turned off. L1T 3 (pin C6.15 . R825 to the LNODCT (pin 37. The insertion loss of the BALUN-Filter is 3dB. Isolator The signal in the forward path is fed to pin 2 of the isolator (FL801). The VCNTO signal applied to the voltage switch Q806 is set LOW during the Receiving and Transmission modes. The bias voltage is applied to the dual-transistor switch Q807. The PIN diodes are turned on during the transmission time slot. The RF signal is routed through 2 P-LC-circuits (C848/L818/C838 and C1010/L817/C852) and the Harmonic Filter to the Antenna. R818.8dB attenuator (R836. VBIAS respectively).Theory of Operation Another function of the BALUN-Filter is to attenuate the image frequencies and other unwanted out-of-band spurs present in the output signal. Q911 and then to PA (pins 8. The output signal from the BALUN-Filter is applied to the RF PA through -1. L817/C1015 circuit provides the image rejection of the output RF signal. The loop is closed. The PA output is matched with 50 Ohm coupler by the P-LC-circuit (C1028. RFIN). The isolator is placed at the PA output to decrease the influence of the antenna impedance variation on the PA performance. RF Power Amplifier The signal is then routed through DC coupling capacitor C823 to the RF Power Amplifier (PA). The PA gain is set by PA_BIAS voltage from the REDCAP2. The sampled signal is routed via attenuator R815. the input RF signal is directed to the receiver path via p/4 LC equivalent circuit (C1010/L817/C852).VREG. is absorbed in a 50 Ohms resistor inside the isolator. and the DC current flows through the Isolator to the ground. The condition of the PIN diodes is controlled by the voltage switch Q806 by applying the ANT_EN signal to the switch. 16 68P02963C70-O . consisting of the coil L890 and capacitors C1010. 2 . and the Local Oscillator leakage at the receiver path. C1011 and C1012.Theory of Operation Harmonic Filter From the antenna switch the signal is routed to a one section of LC filter. The filter is required to attenuate the harmonics of the amplifying stages at the transmission path. Graphic Display Control RF Section BBP SPIA Power Supplies SPIB REDCAP2 4 MB flash memory 1MB SRAM Keypad GCAP3 Radio Off ESSI SPIB Reset Vibracall OPT SEL ESSI UART USB/8-RS232 USB_PWR OPT B+ BAT_FDBK Ext Audio ON3 CE Accessory Conn. the processor reads into its 16-bit wide data bus. When addressing the Flash memory location.Detailed Circuit Diagram Host Memories The RedCap2 Address bus is a 22-bit wide (0:21) and RedCap2 Data Bus is a 16bit wide (0:15). Figure 8 Digital Section .17 . Detailed Circuit Description See Figure 8.Theory of Operation Digital Section. RedCap2 uses two types of memories: Flash Memory The Flash Memory is dedicated to the application software. The Flash memory location has a 32M Bit of memory. This memory has a 16-bit wide data bus. 68P02963C70-O 2 . Synthesizer/LMX). CS. ODCT. addresses. Figure 9 is a block diagram of the RedCap2 and its interfaces. 2 . The RF IC's are connected to SPIA module. SRAM Memory This 512 x 16 Static Ram is used for Data storage. based on the display driver (i. GCAP3 IC and the display driver. Serial Peripheral Interface (SPI) The RedCap2 uses the SPI protocol (Serial Peripheral Interface) to communicate with RF IC's (WPIC.18 68P02963C70-O . MISO(Rx). while GCAP3 and the display are connected via SPIB module. The protocol is built upon 4 lines [MOSI(Tx).e. CLK)]. etc. Samsung KS0741) uses a serial interface.Theory of Operation The Flash also stores the Radio CodePlug (Customer related information) such as telephone numbers. The Display Module. Ctl MCU Core Layer 1 Timer TOUT(16) QSPIB JTAG/OnCE QSPIA PIG Pe ripher al I/F Gask et UARTB SIM RST_OUT RST_IN COLUMN(5) ROW(5) DSP_DE JTAG(5) MCU_DE TEST RTSB CTSB TXB RXB MUX_CTL Reset GPReg UARTA MCU Timers/ PWM/PIT/ Wa tchdog M U X RTSA/IC2A/ RESET_IN CTSA/MCU_DE TXA/TDO RXA/IC1/TDI Keypad Interface GPIO COLUMN5/GPIO ROW5/IC2B/GPIO COLUMN6/OC1 COLUMN7/PWM ROW6/DCDA/SC2A/DSP_DE ROW7/RIA/ISCKA//TCK Figure 9 REDCAP2 Block Diagram 68P02963C70-O 2 .EB1 CS(6) MOD INT(6) INT6/DSRA/ STD A/TRST INT7/DTRA/SCLK/ SRD A/TMS MOSIB MISOB QSCKB SPICSB(5) MOSIA MISO A QSCKA SPICSA(5) BRM MCU/DSP Interface MDI External Inteface Module ROM 4Kx32 Clocks/PLL RAM 512x32 CKIH.XYSEL.XYSTB XYD(16)/TXA/RXA/GI STD A SRD A SFSA(2) Audio CODEC Ser ial Port SAP DSP Timer XROM 0Kx16 Viterbi Acceler ator XRAM 12Kx16 Shared X/VIA C RAM 2Kx16 Shared X/MCU RAM 2Kx16 SCKA(2) ADRS(22) DATA(16 ) R/W OE EB0.Theory of Operation Encr yption Accelerator DSP Peripheral DMA PR OM 2Kx24 PRAM 40Kx24 DSP_IRQ STDB SRDB SFSB(2) SCKB(2) Baseband CODEC Ser ial P ort BBP Counter YROM 0Kx16 XYA(16) YRAM 15Kx16 DSP Core XYRW.19 .CKO DEBUG(6) MCU Debug MCU Int.CKIL CKOH. 45V in 6 steps.20 68P02963C70-O . emulation port and clock output drivers of the Redcap. It is programmed using the Redcap SPI bus from 0. It is set to 2.775V in 4 steps.875V) is the supply for the vibrator motor. CLK_IN input driver and TS interface. It is selectable using the GCAP UV_SEL pin between either 2. CE bus and Display. V4 is always powered from B+ and it is active whenever the radio is turned ON.875V to 2. 2 .775V.775V in 4 steps.975V to 3.775V. Redcap.5V.775V. V2 is the supply for internal and external audio circuits. The switcher is supplied from B+ and it is active whenever the radio is turned ON. V3 is V3_2. It is selectable using the Redcap SPI bus from 1. V1 (programmed to 1. This regulator is supplied by B+ and it is active whenever the radio is turned ON. Switcher #1 (Synchronous Buck Mode Converter) Switcher #1 is a selectable step down switching regulator. V1 Linear Regulator V1 is a programmable linear regulator. This regulator is active during Power Reset (POR) and its initial value is 0.2V to 2. It is selectable using the Redcap SPI bus from 1.775V. connecting UV_SEL pin to Ground sets V2 output value to 2. FLASH.95V.0V in 8 steps. V2 is selected to 2. Pass Through and Power down modes.86V. which is the supply for the internal core. For this radio. V3 Linear Regulator V3 is a selectable linear regulator.775V_RF. The switcher is active during POR in 1.875V to 2. Switching regulator is PWM#1_1.86V.775V. which is the supply for the WPIC. It is selectable using the Redcap SPI bus from 1. Connecting UV_SEL pin to B+ sets V2 output value to 2. V4 is V4_2. V4 Linear Regulator V4 is a selectable linear regulator with external pass transistor.5V and 2. It is set to 1.775V. The regulator is supplied by B+ and it is active whenever the radio is turned ON. which is the supply for the SRAM. This regulator is active during POR and its initial output value is set by GCAP3 UV_SEL pin. This regulator is active during POR.Theory of Operation DC Power Distribution (See Figure 10). For this radio. V2 Linear Regulator V2 is a selectable linear regulator. For this radio. This regulator is active whenever the radio is turned ON. V3 is selected to 2.86V mode. This regulator is active during POR and its initial output value is 2.775V. ODCT and LMX. It is set to 2.3V. This regulator is On whenever the radio is turned ON.21 .775V and is battery supplied.775V. which is the supply for TCXO. VREF1 Linear Regulator VREF1 is a programmable linear regulator. This regulator is active during POR and its initial value is 2.Theory of Operation Switcher #2 (Boost Mode Converter) Switcher #2 is a selectable step up switching regulator. For this radio. The switcher is supplied from B+ and it is active whenever the radio is turned ON. which is the supply for the keypad and display backlight circuits.875V to 2.875V to 2. DSC Linear Regulator DSC is a fixed output linear regulator. and high-level voltage of 4.775V.6 V to supply 5V_RF and VSIM linear regulators. The radio operates with a low-level battery voltage of 3. For this radio. The radio uses the switcher at 5.35 Volt and Power down mode.6/5. It is supplied internally from the V2 linear regulator. It is selectable using the Redcap SPI bus to 5.6Vdc.6V mode at POR. This regulator is active during POR in the 5V mode. nominal-level voltage of 3. Current Limit The SWB+ current limit regulator provides power from the phone battery to clipon accessories. VREF1 is VREF1_2. The SWB+ output of the U104 regulator supplies the accessories through the bottom connector. which is used to supply the WPIC and ODCT charge pump circuits.775V.775V in 4 steps.2Vdc. VREF2 is VREF2_2. The radio uses TS_REF for the AD voltage dividers. VREF2 is programmed to 2.4 (+) and P1 . VREF2 Linear Regulator VREF1 is a programmable linear regulator. It is enabled only when the phone is powered up and an accessory which requires power from the phone is connected. which supplies Raw_B+ and Fused_B+. It is programmed using the Redcap SPI bus from 1. VREF1 is programmed to 2. TS_REF Linear Regulator TS_REF is a fixed output linear regulator. The battery is connected to P1 .775V.6V. The switcher is inherently in 5. Several sections of the radio are connected directly to the battery.775V in 4 steps.0/3. It is programmed using the Redcap SPI bus from 1.1 (-). DSC is supplied from PWM#2_5. This regulator is active during POR and its initial value is 2.775V and is battery supplied. These pins supply the Raw_B+ to the RF TX power amplifier. It is not active at POR.15Vdc. Raw_B+ is routed via F600 (Fuse) 68P02963C70-O 2 . 3V @ 200mA VVIB LEDR/LEDG GCAP III Figure 10 MTH500 DC Distribution 2 .775V @ 5 mA FIL T_B+ ON TCXO: 2mA V1 1.6V @ 100mA 5V @ 60mA VDSC ON TETRATX WPIC: 20 LNODC 130 T: Mixer:2. DATA.JTAG.5V. HW_ID VREF1 2.L1T LVDD-DSPAddress Bus Visibility MVDD-DSPData Bus Visibility OVCCH-I/Opre driversvoltage FVDD-ClockOutputDriver KVDD-EMUL Port OVCC-Internal ore c WPIC CP 5 5V_RF TETRATX VBLIN 3 : ODCT CP: 1 PA Bias: <1 FLASHVCC SRAM 2.22 68P02963C70-O .3V @ 5mA 0.5 AntSW: 8 LO_DRV: 40 TCXO: 2 TETRA_TX:202 TETRARX WPIC: 30 Mixer:2. Bottom HVDD-SPIA/B.BOARD N EXT_VSIM1 3.3V @ 40mA VUSB OFF USB Drivers Keypad/Display Backlight VREF2 2.9V OFF KEYP AD Display R_G_LED 1.775V_RF Battery Filter Filte r PWM2 (Boost) 5.RF_PA T erm. Debug STO.775V @ 100mA 1. 40mA USBDETEC T 3. RF PA Tetra FIL T_B+ V4 2.775V @ 200mA Audi Circui s o t MainVCO& Buf er: 10mA f OffsetVCO: 7mA VREF2_2.775V @ 150mA ON Filte r V3 PWM1(Buck) 1.775V_RF WPIC SFOUT: 2.775V_RF UV_SEL ON V2 2.6VDC V3 2.86V @ 100mA ON MAI .95V OFF Driver&mixer 45 VTS OFF AUDI PA O ThermBatt.775V @ 250mA ON V4_2.5 Dedicated: 2.BBESSL.875V @ 150mA SWB+ EN CurrentLimi t 800mA OFF Filte r LNODCT : Upmixer40mA Vibrator Accessory VCC V4_2.Theory of Operation becoming Fused_B+.7 LNA:7. which goes via the main FET and provides power to the GCAP III IC.0V @ 50mA AVDD-AddressBus DVDD-Da Bus ta CVDD-Bu Control s BVDD-SI M EVDD-AudioESSI GVDD-GPIO.875V ON BL_SNKGCAP III Not Used VCO& Buf er: 10mA f 2nd LOVCO: 7mA 0.5 TETRA_RX:62 REDCAP 3. Finally. There is no external hardware for switching from one protocol to another because the REDCAP2 handles the switching and line multiplexing functions internally. The DSP performs the functions of audio filtering. and the charger does not enter charging mode. and voltage threshold. the DSP performs the required tasks such as echo and noise reduction. Rx Path The digital output signal from the receiver is fed to the DSP which performs the functions of digital de-modulation. ACELP speech compression. The GCAP 3 perform the analog task and part of the digital task of the audio system. Tx Path Audio speech is fed either to the internal microphone. The audio system consists of the GCAP 3 IC (U600) and the DSP (U401). ACELP speech de-compression. and audio filtering. A one-wire serial bus allows the radio or the battery charger to communicate with the battery and identify whether or not the battery is compatible. When the radio is operating in the telephone interconnect mode. the multiplexer (MUX) selects the active input. the EPROM also stores the following information: battery type.Theory of Operation RS232. a fix gain amplifier (A3 or A5) provides the signal amplification. the A/D converts the analog signal into digital format and transfers it to the DSP. It transfers the data to the GCAP3 IC.23 . the unit automatically shuts off. In the GCAP 3 IC. or to a Phone Hands Free (PHF) microphone. digital modulation. capacity. Battery ID The battery is equipped with a Dallas 2502 EPROM. SB9600 The REDCAP processor (RCE) uses the three serial protocols: UART and SB9600 to communicate with external devices via the bottom connector of the unit. the D/A converts the digital audio format to an analog signal. and the programmable Gain Amplifier (TxPGA) adjust the path gain according to the radio mode of operation. both are located on the main board. fuel-gauging parameters. Besides compatibility data. and transfers the data to the RF section. The signals reach the GCAP 3 IC. If the battery is determined to be incompatible. the Programmable Gain Amplifier (RxPGA) 68P02963C70-O 2 . Radio Audio System See Figure 11. In this IC. the audio is fed to A1.24 68P02963C70-O . GCAPIII Figure 11 Audio Path Block Diagram 2 . output amplifier. When the internal speaker is active. Otherwise. the audio is fed to A2. that drives the Internal Earpiece or the PHF earpiece. and the multiplexer routes the audio to the active receive path. double-ended audio power amplifier.Theory of Operation adjusts the path gain according to the setting of the volume control. 65 MHz to RX Mixe Reference Oscillator . Second IF VCO and Dual Synthesizer RF section.65-513.Block Diagram 68P02963C70-O 2 .65 MHz to TX Mixer Figure 12 Frequency Generating Section . Main VCO and Main Synthesizer. These circuits are described as follows: • • • • REF. WPI C XTALBASE CPGITR 493.Theory of Operation Frequency Generating Section Detailed Circuit Description See Figure 12. 50kHz Data OSC_IN FINIF Divider RF Section DORF LPF Second LO 219.TCXO. Oscillator . This section describes the generating circuits that supply all the required frequencies for the required transmitter and receiver functions. 100kH z OSC_IN FINRF Main LOIN Synthesizer Main VCO Buf fer LPF Osc. Offset VCO and Dual Synthesizer IF section.65-513.65 MHz to Offset Mixer LPF Osc. Dual Synthesizer (U808) Of fset VCO IF Section DOI F 113.25 .3MHz Osc.TCXO PRSCI N 493. The output of the oscillator is a 16. The signal is divided by 4 to produce the 4. The WPIC via C580 to pin K6 XTALBASE. The 16. Oscillator . The main PLL is a three accumulators. 2. The transmitter Offset VCO frequency is 113. The quadrature generator is a single master-slave flip-flop configured in a divide by two toggle mode. LMX Dual Synthesizer and GCAP III.2 MHz reference signal used for the main PLL synthesizer.65 MHz. The LMX Dual Synthesizer via C946 to pin OSC_IN.26 68P02963C70-O .65 MHz). Main VCO and Main Synthesizer The synthesizer components are WPIC. The 16.1 ppm). The synthesizer functions are as follows: • • To serve as the local oscillator for the mixer of the receiver.8 MHz stable temperature compensated reference clock. To serve as the LO for mixing the transmitter IF frequency (generated by the Offset VCO) into the transmit RF band. which is used for the Main PLL synthesizer. which has a single ended signal at twice the desired IF frequency. 2 . VCO and buffer. It is used to down-mix the RF frequency (109.TCXO The TCXO is the reference frequency source for all the radio synthesizers. This oscillator’s centre frequency is programmed (256 steps of approximately 0. This signal is present at pin 3 of the TCXO. the signal is divided by 4 to produce the 4. • The WPIC is programmed by the DSP through the SPI bus.2 MHz reference signal. 2. The second LO generator. fractional N system with a 24-bit resolution.Theory of Operation REF. It drives the TCXO buffer to split the 16.8 MHz signal from pin 3 of the TCXO is routed into the following: 1. It produces the LO signal. To serve as the WPIC feedback signal for locking the main synthesizer. The signal is divided to produce the 100 KHz reference signal for the second LO and to 50 KHz reference signal for the Offset VCO. This conversion is performed in the Tx Mixer. The signal is routed as a differential signal (I.8 MHz signal to the WPIC. Q) to a quadrature phase splitter at the WPIC. WPIC The WPIC contain internal synthesizer loops: 1.8 MHz signal from pin 3 of the TCXO is routed via C580 to pin K6 of XTALBASE input of the WPIC. Loop Filter. In the synthesizer. C903. pin 18 (FINIF). The output signal of the VCO is routed via the phase detector at U808. The VCO produces a frequency of 219. The Offset VCO produces frequency of 113. The internal phase detector is of a charged pump type. The output of the phase detector is present at U808. Offset VCO The Offset VCO is a discrete VCO that is controlled by the LMX Dual Synthesizer (U808) IF section. pin3 (DORF) and than via the loop filter R915. C895.3 MHz. The output of the phase detector is present at U808.65 MHz.Theory of Operation LMX . The reference frequency for the Offset VCO is 50 KHz Second LO VCO The Second LO VCO is a discrete VCO that is controlled by the LMX Dual Synthesizer RF section. It is used with the second LO at the RF section and with the Offset VCO at the IF section. The internal phase detector is of the charged pump type. pin 5 (FINRF). 68P02963C70-O 2 .8 MHz from the TCXO for both synthesizers and divides the TCXO frequency as follows: • • The reference frequency for the second LO is 100 KHz.27 . The output signal of the of the VCO is routed via the phase detector at U808. pin 20 (DOIF) and than via the loop filter R829. C860. The LMX uses the 16.Dual Synthesizer The LMX233XL is an integrated dual frequency synthesizer that includes prescalers. C948. 28 68P02963C70-O . The five row lines are pulled high via five internal 22 Kohm resistors. The Communication to the RedCap2 IC is performed using a SPI protocol (Serial Peripheral Interface). The five row lines and five column lines are fed to REDCAP2 I/O pins.) All keypad circuitry is located on the keypad board. REDCAP2 reads the rows to see which one is now at a logic low level. When a key is pressed. Refer to the keypad board schematics. It consist of LCD Holographic Glass.Theory of Operation Display and Keypad Description Display The LCD (Liquid Crystal Display) Module is a Graphic Display based upon the KS0741TB-01 display driver. 5. The keys are arranged into a matrix of five rows and five columns. The keypad-decoding scheme works as follows: 1. The PWR key is not decoded by the RCE. The Operation of the LCD is determined upon the RS line configuration (Data/Command). (A low seen on a row indicates the correct column and row. 4. LED backlight and a 22 pin flex cable connected to the Keypad board. 2 . The Display is 128X100 (Columns X Rows respectively). A low on that row indicates a key press. The REDCAP2 debounces the keys by reading them 25 milliseconds later. Keypad The RCE is responsible for decoding key presses and displaying them properly on the LCD. one row goes low. it directly drives the GCAP III. Pressing any key also generates the keypad internal interrupt. Rows are pulled logic high. One column at a time is set to output logic low. All others are high. REDCAP2 sets rows to inputs. which includes the Volume and PTT keys. which indicates a key press and sends an internal interrupt. 2. which sends a signal to RCE through INT1. REDCAP2 sets all columns to output logic high. REDCAP2 reads rows. 3. all columns are set as outputs and driven logic low. 9 of which have multiple functions. Top LEDs There are one Green and one Red LEDs.Theory of Operation Backlight and LEDs Backlight The keypad backlight consists of 10 green LEDs. and RS-232/SSI Mode (there is also two additional non-standard modes. factory programming. Radio Programming The radio is entered into programming mode by setting the MOD pin high level. Analog Audio Mode. and applying a preamble sequence to the radio via the RS232 lines. both located on the LCD board. Phone Powered USB Mode. These LEDs are used as indicators to the radio operation. USB Mode. and debugging).29 . 68P02963C70-O 2 . The other 9 pins always have the same function regardless of mode. The mode is selected by applying appropriate logic levels to the Option Select pins. personal computers. RS-232 Mode. Accessory Connector The CE bus is intended to support connection to accessories. The MOD pin assertion is encountered at least 4 CKIH cycles before the negation of the Reset pin. The bus has six basic modes of operation: Normal (also No Accessory Connected). The bus connector has a total of 17 pins. Some of the modes listed above are selected by the additional application of a level on the USB POWER and AUDIO-IN pins as well. DSC and FLASH which are used only for development. There are two more LEDs in the LCD module that are connected in parallel to the keypad LEDs. Eight of the 17 pins have different functions depending on which mode is selected. and test systems. named OPTION1 and OPTION2. USB POWER. 1 2 3 4 5 6 7 8 9 10 11 Signal Name (Short Form) Power Ground (GND) Battery Feedback (BATT_FDBK) External Power (EXTB+) USB+/TXD (D+) USB-/RXD (D-) USB Power/Ignition/RTS (USB_PWR) Switched Battery (SWB+) Hook Switch/CTS (HKSW) MUTE/FS/DCD (MUTE) DUMB_SEL2/SCK/RI (DSEL2) DUMB_SEL1/SRDA/DTR (DSEL1) Power/ Default States GND BATT_ FDBK EXTB+ USB GND BATT_ FDBK EXTB+ D+ DUSB_P WR Dumb GND BATT_ FDBK EXTB+ TXD RXD IGN SWB+ HKSW MUTE RS232/ SSI GND BATT_ FDBK EXTB+ TXD RXD RTS SWB+ CTS FS SCK SRDA RS232 (8 wire) GND BATT_ FDBK EXTB+ TXD RXD RTS SWB+ CTS DCD RI DTR SWB+ SWB+ HKSW DSCEN DSCEN DSEL2 DSEL1 2 .0V X X X X X X AUDIO_IN X X 1 0 1 0 X X Pin No. OPTION2.30 68P02963C70-O .Theory of Operation Mode Select (OPTION1 and OPTION2) Logic levels applied to the OPTION1. The modes will be set as follows: MODE NORMAL (no accessory) USB Accessory/Computer Dumb Accessory Phone Powered USB Accessory RS-232 (8 wire)/IDB Smart Cable RS-232 (4 wire)/SSI PTT SB9600 OPTION_1 1 1 1 1 0 0 0 OPTION_2 1 1 0 0 1 1 0 USB_PWR 0 >4. and AUDIO IN lines are used to select the CE Bus mode. 12 13 14 15 16 17 Signal Name (Short Form) DUMB_SEL0/STDA/DSR (DSEL0) Option 1 (OPT1) Option 2 (OPT2) Audio Out On/Off (AUDIO_OUT) Audio In (AUDIO_IN) Audio Ground (AUDIO_GND) Power/ Default States USB Dumb DSEL0 RS232/ SSI STDA OPT1 OPT2 AUDIO _OUT AUDIO _IN AUDIO _GND RS232 (8 wire) DSR OPT1 OPT2 AUDIO _OUT AUDIO _IN AUDIO _GND UPLink DNLink AUDIO _OUT AUDIO _IN AUDIO _GND UPLink DNLink AUDIO _OUT AUDIO _IN AUDIO _GND OPT1 OPT2 AUDIO _OUT AUDIO _IN AUDIO _GND 68P02963C70-O 2 .Theory of Operation Pin No.31 . Theory of Operation THIS PAGE INTENTIONALLY LEFT BLANK 2 .32 68P02963C70-O . The area of the memory in the radio where the tuning information stored is called the “codeplug”. The radio is tuned and tested at the factory. 68P02963C70-O 3-1 . Test Procedures This section explains the procedures required to troubleshoot a MTH500 radio. A radio codeplug can be read using the CPS programme. NOTE: The CPS has no capability to tune the radio. block diagrams. This information includes tuning and other system parameters. the software and hardware functions can not be separated easily. To use the TetraCom you must go to test mode by using the command <Test Enter>. Thus.Troubleshooting General Troubleshooting faults in the radio require proper understanding of the different circuitry contained in the radio. circuit board layouts. The results of the tuning procedures are stored in a special EEPROM. and troubleshooting procedures. Components replacement can affect the radio tuning and must only be performed by the appropriate Motorola Repair Centre. which help a technician to troubleshoot a malfunctioning circuit and detect a defective component. it is also necessary to understand the functioning of different ICs and the role of the software in the operation of the radio. Tuning the radio can only be performed at the factory or at the appropriate Motorola Repair Centre. The digital tests should be performed using the GoNoGo PATS test and TetraCom SW. This service manual includes schematic diagrams. Since the radio contains a highly integrated system. When a problem is found and fixed according to the TMO troublshooting charts. If a problem occurs in the DMO mode. GoNoGo PATS test and factory test modes for troubleshooting radios having digital. receiver. However. DMO Troubleshooting Charts The troubleshooting flowcharts for the DMO mode are same like the TMO mode. TMO Troubleshooting Charts The following flowcharts are included for the TMO mode: * Digital Troubleshooting * Transmitter Troubleshooting * Receiver Troublshooting * Synthesizer Troubleshooting * Audio Troubleshooting 3-2 68P02963C70-O . then refer to the respective flowchart given under TMO mode. transmitter. then the software should be fixed. then it is automatically fixed in the DMO. if the problem still remains in the DMO mode and not in the TMO mode. These flowcharts contain procedures using TetraCom SW application.Troubleshooting Troubleshooting Flowcharts Use the following flowcharts to troubleshoot the radio. or frequency generation test failures. 775 V) Test flowchart 2.1A? Yes Use the GoNoGo PATS test for “Bootload” No Replace the Main Board. Does the power supply show current of 0.Troubleshooting Digital Troubleshooting Digital Analysis Test Use this test for troubleshooting the main board. Refer to the DC distribution (V2-2.05 to 0. Check for a defective REDCAP2 (U401) 3. Check assembly of the RC filters U105. A Is the Power Supply current OK? Yes No Check for a defective REDCAP2 (U401) Is the 32kHz clock From GCAP3 Tp600 OK? Yes No Refer to the DC distribution (V2-2. U107 1. After completing the setup procedure.775 V) Test flowchart 2. Refer to the DC distribution (V2-2. Refer to the RF WPIC flowchart 68P02963C70-O 3-3 .4kHz clock From WPIC correct? No 1.775 V) Test flowchart Yes Is the 8. U106. Yes Is the power supply current correct now? No Refer to the Main Board DC Flowchart Check for a defective REDCAP2 (U401) Did the unit pass the “Bootload” test? Yes No Replace the Main Board. power on the unit. E006 and 40 pin connector B Y s e Replace the Keypad and LCD Boards 3-4 68P02963C70-O .Troubleshooting Digital Analysis Test (Cont. E005.) A Use the GoNoGo P S test for AT “Flash_up ” (U403) Did the unit pass the “Flash_up test? ” Y s e Test the backlight by turning it on No The Flash (U403) is defective. Did the backlight turn on? Y s e No Use the GoNoGo P S test “IO_Loop AT ” (40 pin connector) Did the “I/O_Loop” test pass? No Check beads E007. Command: <BackL EN/DIS>. Note: This test will be perform by TetraCom SW application. ) B Check the LCD Does text appear on LCD? No Visually check J2 connector on LCD board Yes C Is J2 OK? No Check 22 pin Flex Yes Contacts via 22 pin Flex OK? No Replace J2 on LCD board Replace Flex Yes Replace LCD 68P02963C70-O 3-5 .Troubleshooting Digital Analysis Test (Cont. 875V on C611 when “VIBR EN” TetraCom command has been entered Is the Voltage OK? Yes Check 1.4V on Q002 pin 1. Test the vibrator Did the vibrator vibrate? Yes The Main Board successfully passed all tests No Check the Power Supply V1.775V) Test flowchart Are the Voltages OK? No Yes Replace the Vibrator Check for defective Q002 or D001 3-6 68P02963C70-O .Troubleshooting Digital Analysis Test (Cont. 4 Refer to the DC distribution (V2_2.875V on D001 and <0. 1.) C Note: This test will be perform by TetraCom SW application. Command: <VIBR EN/DIS>. 775V. C657 V3_2.6 Vdc) @ F600 Filt_B+ (3.875V.775V (2.Troubleshooting DC Distribution (V2_2.6 Vdc) @ C623 68P02963C70-O 3-7 .775V (2.775V. V3_2. C660.775V) Test Use this test on a unit with the following symptoms: no power. C651 PWM2_1. C648 PWM1_5.875V (1.875 Vdc) @ C611 V2_2.775V. Note: The following are the DC power distribution voltages with their correct values and appropriate location to check the voltages: • • • • • • • • • • • • Fused_B+ (3.6V (5.8V (1. no V2_2. C659 VREF1_2.775 Vdc) @ C610. VREF1_2.775 Vdc) @ C612. VREF2_2. C647 VSIM1 (3 Vdc) @ C653 5V_RF (5 Vdc) @ C615. C613. C658.8 Vdc) @ C624. C644. V1_1.6 Vdc) @ C640 V1_1.775V (2.775V (2.775 Vdc) @ C609.775 Vdc) @ C628 VREF2_2. C661 V4_2.775V (2.775 Vdc) @ C625.775V. Yes Replace E600 3-8 68P02963C70-O . as necessary.6 Vdc Is the voltage OK? No Check traces to Fused_B+ for oepens. as necessary.6 Vdc Is the voltage OK? No Check the bench Power Supply Yes Check junction of F600 and Vr601 pin 2 for 3. A Yes Is the voltage OK? No Check Q600 pin 3 for 3.Troubleshooting DC Distribution (V2_2. Check Q600 pin 4 circuitry for shorts. Repair.) Check battery contact P1-4 for 3. Repair.775V) Test (Cont.6Vdc (Fused_B+) Is the voltage OK? No Check junction of F600 and VR601 for 0W (ground) Yes Replace Fuse F600 Check C640 for 3.6 Vdc (Filt_B+) Is resistance OK? No Yes Check all Fused_B+ circuit components. 775V amplitude Are frequency and amplitude OK? No Replace U600 (GCAP III) Yes Check TP603 for the Reset high Is Reset high? No Yes B 68P02963C70-O 3-9 .Troubleshooting DC Distribution (V2_2.) A Check Filt_B+ at C640 or C652 for 3.775V) Test (Cont.6 Vdc Is the voltage OK? No Replace U600 (GCAP III) Yes Check TP600 for 32 kHz clock with 2. C657 for 2. C613.775 Vdc (V2_2.) B Check C610.775V) Is the voltage OK? No Replace U600 (GCAP III) Yes Refer to other DC Distribution Test Flowcharts 3 .Troubleshooting DC Distribution (V2_2.10 68P02963C70-O .775V) Test (Cont. Troubleshooting DC Distribution (SWB+) Test Use this test on a unit with the following symptoms: no SWB+. Replace if necessary 68P02963C70-O 3 . SWB+ current limit test OK Check U104 pin 3 Voltages >2.4V for “SWB Dis” (SPICS4A-Redcap) Are voltages OK? No Check R119 Yes Check U104 pin 1 for 3.0V for “SWB EN” <0. Repair. TetraCom command “SWB EN” Check U104 pin 6 for 3. Note: This test will be performed using TetraCom SW application commands <SWB EN/Dis>.6 Vdc Yes Is the voltage <0.775 V) Test flowchart Yes Check U104.6 Vdc (Filt_B+) Is the voltage OK? No Refer to the DC distribution (V2-2. as necessary.3V? TetraCom command “SWB Dis” Yes Is the voltage OK? No No Check If U104 pin 5 is shorted to ground.11 . 775V) Test Use this test on a unit with the following symptoms: no V4_2.Troubleshooting DC Distribution (V4_2.6 Vdc (Filt_B+) Is the voltage OK? No Refer to the DC distribution (V2-2.0 Vdc reference voltage (V4DRV) Is the voltage OK? No Replace U600 (GCAP III) Yes Check Q602. Gen. section.775 Vdc Check traces to the RX section.12 68P02963C70-O .775V. replace if required 3 .775 V) Test flowchart Yes Check Q602 pin 1 for »3. Freq. and TX section Yes Is the voltage OK? No Replace E200 Yes Is the voltage OK? No Check Q602 pin 3 for 3. Check Q602 pin 2 for 2. C659 for 2.8V) Test Use this test on a unit with the following symptoms: no V3_2.8V. C658.775 V) Is the voltage OK? No Refer to the DC distribution (V2_2.8V) Is the voltage OK? No Refer to the DC distribution (V2_2. no PWM2_1. Check C609.Troubleshooting DC Distribution (V3_2.7 Vdc (V3_2.775V.775 V) Test flowchart Yes Check E401 ferrite beads by REDCAP2 for opens 68P02963C70-O 3 .775 V) Test flowchart Yes Check C624 for 1.88 Vdc (PWM2_1.13 .775V/PWM2_1. no PWM1_5. C601 for 3.0 Vdc Check E201 for opening Yes Is the voltage OK? No Yes Check trace till C24.775 V) Test flowchart Check U601 pin 1 for 5.6 Vdc Replace U600 (GCAP III) Yes No Refer to the DC Distribution 5V-RF Test flowchart Replace L601 Is the voltage OK? No Replace L600 Yes Refer to the DC distribution (V2_2.6V. PWMI Check C615.6V.775 Vdc Is the voltage OK? No Is the voltage OK? Check C623 for 5. or no VSIM1_5.775 V) Test flowchart Is the voltage OK? Yes Refer to the DC distribution (V2_2. C651 for 5 Vdc VSIMI Check VSIMI C652 for 3.6 Vdc No Is the voltage OK? Check L600.6 Vdc Yes No Refer to the DC distribution (V2_2. C406.775 V) Test flowchart 3 . C403 Disconnect E201 No Is the voltage OK ? Yes Check U601 pin 3 for 2.Troubleshooting DC Distribution (V5_RF/PWM1/VSIM1 _5.6V) Test and (VSIM1) Test Use these tests on a unit with the following symptoms: no V5_RF.14 68P02963C70-O . CR601. Note: The standby upper current limit is 100mA and lower limit is 4mA Measure the radio standby current by using P ATS station Is standby current above upper current limit? No Y s e Check if there are shorts on the board: . t Also see "GCAP" section. VR102. Repeat the S andby Current test.Troubleshooting Transmitter Troubleshooting Standby Current Troubleshooting This test should be carried out only after the successful completion of the previous tests. Replace damaged part. current switch U104.check if RF P U809 is shorted to the ground A .check voltage regulator VR601. R640. OK 68P02963C70-O 3 .15 . Replace parts i f faulty. elements on FLT_B+ supply lines. Switch Q600. bead E600. Repeat the S andby Current test. t Also see "GCAP" section Is standby current below minimum current limit? No Y s e Check: Radio Fuse F600. L921. Using a Power Probe test TX line-up (starting from RF PA U809 output: pins 12.5V_TX supplied to the Transmitter components? No Check the battery. L916. Perform the Open loop power test again Is the output power less than 120mW (20.5V_TX lines. components: E801. Perform the Open loop power test again.775V_RF. Q911. measure RF power at the LNODCT U803 outputs (pins 51. E808.5W (27dBm) ? Yes Is the radio in oscillation? Yes No Yes No OK Are voltages 2. regulators Q800. A 3 . otherwise replace the damaged components. 5V_RF.16 of RF PA U809. elements on 2. L923. Coupler U806.16 68P02963C70-O . RAW_B+_RF and 2. Replace damaged parts. Check RF PA U809.8dBm)? No Is the output power above 0. Q806.C1028.5Vdc of ANT_EN signal on Q806 pin (or C830) during Tx slot? No Using a Power Probe. Yes Check E810. Isolator FL801. Repeat Open Loop Power Test. Check resistors R827 and R828. measure RF power at the RF PA U809 input (pin 6).Troubleshooting Open Loop Power Test This test should be carried out only after the successful completion of the previous tests.13) by measuring output power after every component of Transmitter till Antenna. It should be as specified in the spread sheet. Replace if faulty.C1029. C822. E809. Q807. C1030. L920.52). L919. replace parts if faulty. Is power < -20 dBm? No Yes Using a Power Probe. regulators Q807 and Q911.C867. L918. Q805. Perform REDCAP2 test. Perform the Open loop power test again. Measure the Open Loop power by using PATS Check the bias voltages on pins 8. Perform the Open loop power test again. L917. Yes Is there ~ 2. Perform Offset VCO test. Yes Using a power high impedance probe measure the RF level at pin 6 of Mixer (U800) Is the power < -6. No Is the signal at U800 pin 3 stable and its power > -0.) A Check Tx line-up from LNODCT U803 output till RF PA U809 input. check ODCT pins 45. Perform Main VCO Buffer test. Are all checks OK? No Replace damaged components. C844. replace if faulty.40. Perform the Open loop power test again.5 dBm? No Measure the RF power at input and output of Image filter (FL800).46. Perform the Open loop power test again. Q808 (LO Driver). Perform the Open loop power test again. check pins 51. replace damaged parts. Perform the Open loop power test again.Troubleshooting Open Loop Power Test (Cont. 68P02963C70-O 3 .5 dBm? Yes Replace the mixer U800.56. Visually check all components and solder connections around LN ODCT. Check L926 and ODCT pins 34. Check FL800. Perform the Open loop power test again. Calculate the difference between Image filter input and output.775Vdc_ODCT. C833.57 for 2.17 . L800. Is the signal at U800 No pin 1 stable and its power >1 dBm? Yes Check the power at pin 3 of U800 mixer Check L809.3Vdc during Tx slot. 52 for 5Vdc during Tx slot. R805. Perform the Open loop power tuning and test again. 2.63 for 2.53.5 dB? Yes No B Yes Check the power at pin 1 of U800 mixer. Is power < -4 dBm? No Yes Perform the following: 1. Check C800. Is the difference > 3. 3Vdc) on pins 11. Calculate the difference between I/Q splitter input and output.10 of U803. Does the ASW level go low (about 0V dc) during Tx slot? No Replace LNODCT U803 Perform the Open loop power test again Yes Verify by using scope that: 1. Replace damaged parts. if L813 is OK replace Q808.5Vdc during Tx slot. Is the Gain < 22 dBm? Yes No Measure the RF power at input and output of I/Q splitter (U801). C849.18 68P02963C70-O .8 0. 2. Perform the Open loop power test again. if voltage is OK. Is the difference > 3. (AC voltage 300-400mV peak) Replace LNODCT U803. There is 2. If there is no voltage. Check for 2. check Q805 and L811. SLT and SLTB go low on pins 9. Yes Was any data detected? No 3 . C851.4MHz clock (1. No Measure the ASW level on pin 28 of LNODCT U803 during Tx slot by using scope.12 of U803 during Tx slot. Replace faulty parts.) B Measure the RF power at the input of LO Driver (Q808) and input of I/Q splitter U801. Perform the Open loop power test again.5 dB? Yes Check I/Q splitter U801. Perform the Open loop power test again.Troubleshooting Open Loop Power Test (Cont. Calculate the LO Driver Gain. Does the two condition exist? No Perform "WPIC Test" Perform the Open loop power test again Yes Verify by using scope that there is an input data on pins 58-61 of the LNODCT U803. check L813. 3Vdc) during Tx slot on R514. It has 8 b its. Repeat the Open Loop power test.5-2. Perform the following: 1. 2. C573. C547. if the problem still exists replace WPIC U503. If the problem still exists replace WPIC U503. C549. If the Open Loop Power problem exists replace LNODCT U803. 68P02963C70-O 3 . C519. Read the value of WPIC 1 9 register by using TetraCom. V3_2. Measure: 1. C535. 2. C552.9Vdc) OK? Y s e Measure TXE signal (0. repeat WPIC test.775_WPIC dc voltage on C572 (C516. TetraCom Commands: WPIC 1 9 Read the register value Is data voltage (0.4-0.19 . C542. Perform the GCAP test.6-2.775V on C515. Is the TXE signal OK? Y es No Verify the REDCAP2 U401 functionality.Troubleshooting WPIC Test This test should be started in accordance to Open Loop Power test. C555. 3.8Vp-p) observed during Tx slot? No Y s e Replace WPIC U503.501. replace if faulty. 2. No Are voltages (2. Change the hexadecimal value of WPIC 1 9 t o switch the 5-th bit from 0 to 1. Set the unit to the Open loop test at a frequency of 390MHz. Using a scope observe output data voltage on Test Points 500. C502. repeat Close Loop Power test. R818. Replace LNODCT. R826. C817.20 68P02963C70-O . Tune the radio on PATS. perform Open Loop Power test and Close Loop Power test. R815. Replace if faulty and repeat the Close Loop test. OK No Does the close loop power problem still exists? Yes Measure the LO power on pin 24 MVCO of the LNODCT U803 (800-400 mVp-p (single ended) swing into a 50Ohm load). 3 . C814 replace if faulty. R825. If the problem still exists replace LNODCT U803 and repeat Open Loop Power test and Close Loop Power test. Yes Is the LO power OK? No Check R838. Is the radio close loop output power <28dBm or >31 dBm? Yes No OK Check the elements: coupler U806.Troubleshooting Closed Loop Power Test This test should be carried out only after the successful completion of the previous tests. Repeat Transmitter current consumption test. Measure RF PA bias voltages on pins 8 and 16 of U809. Check power supplies. Start TX current test. 2. Is TX current > 2. 1. Repeat tuning of the radio. Yes Are supply or (and) bias voltages high? No Repeat Open loop power test and Close loop power test.Troubleshooting Transmitter Current Consumption Test This test should be carried out only after the successful completion of the previous tests.2A (average TX current?) No OK Yes 1. 2. Measure supply votage on pin 12 of U809. 68P02963C70-O 3 . Repeat Transmitter current consumption test. If the problem still exists replace U809.21 . 775V suppl y t o Mixer and check lones (Q504. if necessary . Replace if necessary. RX 390. Troubleshooting) 3 . SW .65MHz). Xt al Filter (Fl502). Front Filter (Fl500).=219. F main =F rx +109. Q500).. Mixer (U504). Power level (>-5dBm) and frequency . Return to first test. LN A (U500). No Passed? No Ye s OK Is the Gain still below 4db? Ye s TetraCom Commands Mode): >Freq. using a R F probe on C536. (See Synth. 2. Replace if necessary . Check Front Gain again. Rep ai r i f necessary .0125 >Mode RXTDM/Mode >LIMITER ON >BER Rout WPIC BaseBand to test point s: >WPI C 2 0 7 2 NOW Activating control lines continuos mode: WPI C 3 9 1 b NOW (TD M RSSI signal at Check Main Synth.3MHz Re pa ir if necessary (See Synth. -16dBm<Power<-10dBm Freq.Troubleshooting Receiver Troubleshooting Check Front Gain. Front Gain again. Second Filter (Fl501).65MHz Check second LO . Frequency 109.22 68P02963C70-O . Wa s that the problem ? Ye s Run RX_BER -112dBm & UL TIMA TE_BER No Is the Gain still below 4db? No Check LN A & control Rep air Check Ye s Check BaseBand Output at WPIC (U503) TP500/TP501. Troubleshooting) No Is the gain below 4dB? Ye s Check with all power Input s/Output s o f Ant. check solderin of C933.5V No YES YES Note:This is the abnormal condition.3 Vdc on L907.or missing components in the buffer circuits.Is the freq 529.65MHz ? NO Test the VCO control voltage at R917. MAIN_VCO ON WPIC 3 1 c0 NOW WPIC 2 4 17 NOW WPIC 2 5 F4 NOW WPIC 2 6 9e NOW WPIC 2 7 79 NOW WPIC 0 5 30 NOW WPIC 0 8 0 NOW Is the frequency at 503.5 to 4.The typical range is 0.check the LO output at the buffer output at R927 and R944. Is the control voltage railed to <0.shorts. The unit tested successfully Possible prescaler feedback problem: 1.65MHz? NO check the VCO output at R937 .23 .5V or >4.Troubleshooting Synthesizer Troubleshooting Use this test on a unit with the following symptom: no Tx or Rx TetraCom Commands: Using a 50-ohm probe on the spectrum analyzer.Probe to determine if LO is reaching the prescaler input. A 68P02963C70-O 3 .5 V. YES YES Is the buffer output between -5 and -3dBm ? NO Check for opens. 2. Also check for 2.C915. Confirm that the Varicap is in the right direction.24 68P02963C70-O .) A Possible VCO problem: Check for opens or shorts in the VCO circuit. NO Check Loop filter: Check for opens or shorts . Check for the following: 2. Yes Unit testing is complete Whether the problem found and fixed ? NO WPIC Problem Yes Unit testing is complete 3 .4Vdc on R934 and on R923.Troubleshooting Synthesizer Troubleshooting (Cont. Confirm that the resonator tab is prperly soldered. Whether the problem found and fixed ? Yes Unit testing is complete Whether the problem found and fixed ? NO Check buffer: Check for opens or shorts . 3MHz? No Yes The VCO is working properly. 3. C920.C921. 2.Set the Unit to continuous Recieve mode (Rxndc). Replace the LMX.Remove the 2nd_LO shield.3MHz.R922.D902. 2. 68P02963C70-O 3 .25 .connect an external 0. Check DC supply for the VCO: 1. R939.R906. Yes Yes Check Q905. C922.775V_RF on Pin 23 and Pin 24 of the LMX. No Does the LMX has its DC Supply? The 2nd_LO VCO/synthesizer is O. (compare with BOM) Check DC supply for the LMX: 1.3MHz.R906. C960.Check for TETRA_2nd_LO_En on Q910. 3.K.3MHz. 2. C959 for soldering problems and compare with BOM values.Measure the RF freq at C959.Check for SF_OUT on C902. Is the power level at 0 dBm and stable on frequency. Can the frequency be set to 219.5V power supply to R9016.5 to 4.R909.C903.L905. the problem is with the LMX.check soldering of C262. Chek for feedback problem: 1.Measure the RF power level at Pin 5 of the LMX at 219.Check for 5V_RF on C954 or on Pin 22 of the LMX. R939.Check 2. Check R915. TetraCom Commands: WPIC 3 9 1b NOW dual RF 0202a2 004447 Yes Is the control Voltage at R916 and C948 between 0. No Check DC Block Yes Perform VCO_ONLY TEST: 1. 2.Troubleshooting Second LO VCO Test Perform the following: 1. R939 for soldering problems and for the right values.Measure the 2nd_LO control voltage at C761.Adjust the external supply voltage until the frequency is219. C948. 2.5Vdc No Does the VCO has its DC Supply? No Check DC Block Yes Measure the RF power level at C959 at 219.5 and 4.R906.R951.C970.R916.C953.C940. Troubleshooting Offset VCO Test 3 .26 68P02963C70-O . Check R110. Start AUDIO_LOOPBACK (1) Connect a scope or DVM to the following points and measure ac levels in Vrms. No Is voltage at C104= 66mVRMS? Yes Tetracom Routine MIC VA MICGA 0 DSP_LOOP ON DSP_VOL 0 Vol 0 SPKR VA No trouble found 68P02963C70-O 3 . C104 & continuity to connector.27 .Troubleshooting Audio Troubleshooting (External Mic to External Out) Set the audio input to the external mic to 1. Test sequence is controlled by TetraCom commands to the external mic-to-external out loopback. No Is voltage at C103 = 44mVRMS? Yes Check R108.02KHz @ 44mV RMS. C103 & continuity to connector. 28 68P02963C70-O .Troubleshooting This page left blank intentionally 3 . 2. 2. Verify that the radio is turned off. On the menu bar.Programming the Radio Programming The Radio 1. Browse for the required Codeplug file and open the file. Run the Customer Programming Software (CPS) on your computer. 5. click “File” “Open”. Press the “Yes” icon. The CodePlug window appears on the screen. Click the Toolbar “Tools” icon and select “Write Entire Codeplug”. 3. Codeplug Programming 1. 4. 68P02963C70-O 4-1 . 01. Press the “Write” button. a “Operation Results” window appears on the computer screen. NOTE: The CPS is trying to reads data from the radio. the message “The Operation Was Successful” appear on the computer screen. “Write Software”.Programming the Radio NOTE: The Codeplug is now being written into the radio. A progress bar is displayed on the computer screen showing the writing status. --Done-00:00:00 Appears at the end of the process Elapsed Time Indication After a successful writing. SW Ver. After the process ends. 2. A “Please Wait” message is displayed on the computer screen. On the menu bar click “Tools”. Application Programming 1. The following display is shown on the radio screen: Diag. Press the OK button.01 HW ID Code: XXX Flash: TE28F320C3BA Command WRITE REQ. 4-2 68P02963C70-O . 6. Click the toolbar “R” (Reset) icon. the message “The Operation Was Successful” appear on the computer screen.01 HW ID Code: XXX Flash: TE28F320C3BA Command WRITE REQ. A progress bar is displayed on the computer screen showing the writing status. The following display is shown on the radio screen: Diag. 3. 01. SW Ver. Press the “Ok” button. --Done-00:00:00 Appears at the end of the process Elapsed Time Indication After a successful writing.Programming the Radio NOTE: The application is now being written into the radio. 68P02963C70-O 4-3 . 4. Programming the Radio This page left blank intentionally 4-4 68P02963C70-O . Internal surfaces (circuit boards and components) should be cleaned only when the radio is disassembled for servicing or repair. compound. Cleaning The following procedures describe the recommended cleaning agents and methods to be used when cleaning the external and internal surfaces of the radio. 68P02963C70-O 5-1 . The internal surfaces should be cleaned only with isopropyl alcohol (70% by volume). or grime. periodic visual inspection is recommended. External surfaces should be cleaned whenever a periodic visual inspection reveals the presence of smudges. However.5% solution (one teaspoon of detergent per gallon or four litres of water) of mild dishwashing detergent in water. The only recommended agent for cleaning external radio surfaces is a 0. Inspection Inspect the radio’s external surfaces.Maintenance Preventive Maintenance This portable radio does not require a scheduled preventive maintenance program. A detailed inspection of interior circuitry is not needed or recommended. • All CMOS devices must be stored or transported in conductive material so that all exposed leads are shorted together. When soldering. This is done most effectively by having the technician wear a conductive wrist strap in series with a 100kW resistor to ground. Procedures for disassembling and reassembling the unit are described in the sections that follow. special precautions must be taken to prevent device damage during disassembly. troubleshooting. Do not wear nylon clothing while handling CMOS circuits. resulting in failure occurring weeks or months later. and repair. removed. Check all power supplies to be used for testing CMOS devices and be certain there are no voltage transients present. or soldered. The following handling precautions are mandatory for CMOS circuits. CMOS devices must not be inserted into conventional plastic “snow” or plastic trays of the type that are used for storage or transportation of other semiconductor devices. • • • • • • Disassembling and Reassembling the MTH500 Unit Mechanical checks and self tests should be performed on the unit at the basic level of service. All CMOS devices must be placed on a grounded bench surface and the technician must also be grounded before handling the devices. When straightening CMOS device leads. NOTE: Read each procedure thoroughly before performing the actual task. their characteristics make them susceptible to damage by electrostatic or high voltage charges. and are especially important in low humidity conditions. All power must be turned off in a system before printed circuit boards containing CMOS devices are inserted.Maintenance Safe Handling of CMOS Devices Complementary metal-oxide semiconductor (CMOS) devices are used in the radio. While the attributes of CMOS devices are many. it is sometimes necessary to remove the antenna and the housing from the unit. Do not insert or remove CMOS devices with power applied. use a grounded soldering iron. 5-2 68P02963C70-O . Damage can be latent. provide ground straps for the apparatus used. To perform testing at the field level. Therefore. and a floor mat. anti-static material. use the Motorola Static Protection Assembly (part #0180386A82) to ground your service bench. This assembly contains a wrist strap.Maintenance Protecting Static-Sensitive Devices This unit contains static-sensitive devices that must be protected when opening the unit. Do not insert the printed-circuit board into conventional plastic “snow” trays used for transporting other devices. To store or transport a circuit board: • • Place the printed-circuit board in conductive. • • • Wear a conductive wrist strap in series with a 1Mg ohm resistor to ground. touch an electrical ground to remove any static charge that might have accumulated. a table mat. two ground cords. 68P02963C70-O 5-3 . To create a proper ground: • Ground the working surface of your service bench. Prior to touching any printed-circuit board. or storing and transporting any printed-circuit board. Do not wear nylon clothing when handling any printed-circuit board. If possible. Maintenance Removing and Installing the Antenna The antenna must be removed each time the back housing is removed. 5-4 68P02963C70-O . Recommended tools: no tools are required To remove the antenna from the unit: (See Figure 13) • Unscrew the antenna counter clockwise until it is detached from the handset. To install the antenna in the unit: • Screw the antenna clockwise to the handset. Figure 13 Antenna Removal and Installation Removing and Installing Battery Door and Battery Recommended tools: no tools are required To remove the battery door from the unit: (See Figure 14) 1. Place the unit facing down on the work area. Maintenance 2. Press the battery door release button, slide the door towards the bottom of the unit and lift it up from the unit. Figure 14 Battery Door Removal To remove the battery: (See Figure 15) 1. 2. Press the battery fastening bridge toward the upper side of the unit. Simultaneously, using other hand, release the battery from its chamber. Figure 15 Battery Removal 68P02963C70-O 5-5 Maintenance To install the battery: 1. Locate the battery so that the lower part (coloured silver) is touching the lower wall of the battery chamber. Carefully press the battery down until it snaps into location. 2. To install the battery door: 1. Position the door on the unit over the battery so that the door release button is just above the battery fastening bridge. Slide the door upward until the door snaps into location. Verify that the door is aligned with the handset back housing. 2. 3. Removing and Installing the Back Housing Recommended tools: T-8 Torx bit, Torx driver, mini flat-tip screwdriver Removing the back housing from the unit: (See Figure 16) 1. 2. Remove the antenna, refer to “Removing and Installing the Antenna”. Remove the battery door and the battery, refer to “Removing and Installing Battery Door and Battery”. Place the unit facing down on the work area. Using the screwdriver remove the oval label at the top of the unit and the tamper evident label in the center to enable access to all six screws fastening the back housing. Clean the adhesive remains of the tamper evident label using alcohol. Using the Torx driver with the T-8 Torx bit, unscrew the six screws fastening the back housing. Carefully remove the back housing from the unit. 3. 4. 5. 6. 5-6 68P02963C70-O Maintenance Installing the back housing: 1. 2. Position the back housing over the unit. Verify that the cover is positioned correctly, screw holes are aligned to the threads of the front housing, external antenna connector is inserted into its dedicated hole, and the styling groove of the back housing meets the styling groove of the front housing. Set the Torx driver to 3.5 in-lb (0.4 Nm). Screw the back housing screws in the following order: Upper left and right screws, center left and right screws and lower left and right screws. Glue a new oval label over the holes of the two upper screws and a new tamper evident label (*only available to Motorola Services Centres) on the holes of the two center screws. Install the battery and the battery door, refer to “Removing and Installing Battery Door and Battery”. Install the antenna, refer to “Removing and Installing the Antenna”. 3. 4. 5. 6. 7. Oval Label External Antenna Connector Back Housing Fastening Screws (X6) Figure 16 Back Housing Removal and Installation 68P02963C70-O 5-7 Turn the back housing up side down and.Maintenance Removing and Installing the Vibrator Recommended tools: mini flat-tip screwdriver Removing the vibrator: (See Figure 17) 1. using the screwdriver. Remove the back housing. Carefully push the vibrator into its chamber in the back housing. 2. Install the back housing. remove the vibrator from its chamber inside the back housing. refer to “Removing and Installing the Back Housing”. Installing the vibrator: 1. Back Housing Vibrator Figure 17 Vibrator Removal and Installation 5-8 68P02963C70-O . 2. refer to “Removing and Installing the Back Housing”. 3. Gently lift the main board. 4.Maintenance Removing and Installing the Main Board Recommended tools: no tools are required Removing the main board from the unit: (See Figure 18) 1. refer to “Removing and Installing the Back Housing”. I/O connector side at the bottom of the board first. Verify that the two guide pins are inserted into the holes in the main board. Gently install the rubber seal over the I/O connector. refer to “Removing and Installing the Back Housing”. 68P02963C70-O 5-9 . Position the main board in location. verify that the seal is not damaged (retain the seal for reinstallation). Verify that the I/O rubber seal is properly located in the unit. and remove it from the unit. 5. Remove the back housing. Install the back housing. Gently remove the rubber seal from the I/O connector. 3. 2. Installing the main board: 1. 2. Gently push the main board down and verify that the Board-to-Board connector is properly connected to the keypad board. 6. keypad board and LCD board. Remove the back housing. above the LCD board. Insert the screwdriver into one of the slots in the upper side of the chassis assembly. open the required Zero Insertion Force (ZIF) connector. 3. and gently push the boards out from the chassis assembly. release the flat cable and the board.Maintenance Main Board PHF Cover I/O Connector Rubber Seal Figure 18 Main Board Removal and Installation Removing and Installing the Keypad and LCD Boards Recommended tools: mini flat-tip screwdriver Removing the keypad and LCD boards from the unit: (See Figure 19) 1. on the work area. 5. According to the board to be replaced. Place the chassis assembly. out from the unit. 7.10 68P02963C70-O . Place the unit facing down on the work area. 8. Remove the main board from the chassis assembly. refer to “Removing and Installing the Back Housing”. Using the screwdriver. with the keypad and LCD boards facing down. 4. 5 . remove the chassis assembly including the main board. Open the Personal Hands-Free Kit (PHF) jack cover (See Figure 18). 2. Maintenance Installing the keypad and LCD boards: 1. Verify that the chassis center guide pin is properly located inside the hole in the LCD board and that the snag at the top of the chassis is inserted into the slot of the board. 68P02963C70-O 5 . 10. Insert the flat cable into the ZIF connectors and close the connectors doors until a click is heard. 2. Verify that the guide pins are properly located and that the Board-to-Board connector is properly connected to the main board. Install the chassis assembly with the boards into the unit. 12. Insert the LCD board between the two snags at the sides of the chassis assembly. Turn the chassis assembly up side down. 6. Install the back housing. 4. Install the main board on the chassis assembly. 9.11 . refer to “Removing and Installing the Back Housing”. 8. 13. Verify that the I/O connector rubber seal is properly located in the unit. Verify that the keypad board is sited parallel to the chassis assembly. Place the keypad and LCD boards on the work area so that the ZIF connectors are facing up. 3. Verify that the two guide pins are inserted to the holes in the main board. Push the LCD board down until it snaps into location. Failure to comply may result in tear of the flat cable between the two boards. 7. Verify that the main board is fully installed with the rubber seal. 11. 5. Install the keypad board on the chassis assembly. CAUTION: Care must be taken when installing the keypad and LCD boards on the chassis. gently disengage the right two snaps and rotate the LCD module assembly to the left until it disengaged from the LCD board. Remove the LCD board. Using your hand. fingerprints on this surface cannot be easily removed.12 68P02963C70-O . 5 . 2.Maintenance LCD Board LCD Board Release Slot Chassis Assembly Flat Cable Board-to-Board Connector ZIF Connectors Keypad Board Figure 19 Keypad and LCD Boards Removal and Installation Removing and Installing the LCD Module Assembly Recommended tools: no tools are required To remove the LCD module assembly from the unit: (See Figure 20) 1. refer to “Removing and Installing the Keypad and LCD Boards” NOTE: Do not touch the LCD module assembly in the active viewing area. 13 . right snaps first and then left snaps. LCD Board LCD Module LCD Module Snaps (X4) Figure 20 LCD Module Removal and Installation 68P02963C70-O 5 . Verify that no damage exists on the LCD glass. 5. Locate the LCD module above the LCD board so that the two guide pins are aligned with the holes in the LCD board. Remove the protective film from the LCD glass. refer to “Removing and Installing the Keypad and LCD Boards”.Maintenance To install the LCD module assembly: NOTE: Do not touch the LCD module assembly in the active viewing area. 4. 1. 3. fingerprints on this surface cannot be easily removed. 2. Gently push the module down. Verify that the snaps are located correctly inside the board slots. Install the LCD board. refer to “Removing the keypad and LCD boards from the unit:”. Remove the chassis assembly. 2. Remove the keypad from the unit. Install the chassis assembly. Install the keypad inside the front housing. steps 1 through 3. Front Housing Chassis Assembly Including Main Board And LCD and Keypad Boards Keypad Figure 21 Keypad Removal and Installation 5 . 2. steps 1 and 2. Verify that all the keys are properly inserted into their dedicated holes. 3. Installing the keypad: 1.Maintenance Removing and Installing the Keypad Recommended tools: no tools are required Removing the keypad: (See Figure 21) 1. refer to “Installing the keypad and LCD boards:”.14 68P02963C70-O . Remove the chassis assembly. remove the plate as well. steps 1 through 3. steps 1 through 3. remove the protective film from the adhesive layer at the earphone bottom plate. Removing and Installing the Earphone Recommended tools: mini flat-tip screwdriver Removing the earphone: (See Figure 22) 1. Insert the earphone into location. 68P02963C70-O 5 . Gently push the earphone until it is firmly glued inside the front housing. remove the earphone from the unit. steps 1 and 2. 3. 4. 3. Installing the microphone: 1. 2. Using the screwdriver. Verify that the two snags at the earphone sides are properly located in their dedicated slots. refer to “Installing the keypad and LCD boards:”. refer to “Removing the keypad and LCD boards from the unit:”. Remove the chassis assembly. 2.15 .Maintenance Removing and Installing the Microphone Recommended tools: no tools are required Removing the microphone: (See Figure 22) 1. Using the screwdriver. Remove the Acoustic Safety Rubber. Installing the earphone: 1. Insert a microphone into location. 2. If the earphone was detached from its bottom plate. refer to “Removing the keypad and LCD boards from the unit:”. Install the Acoustic Safety Rubber. Remove the microphone. 2. Install the chassis assembly. Maintenance 5. Earphone Acoustic Safety Rubber Front Housing Microphone Figure 22 Microphone and Earphone Removal and Installation 5 . steps 1 and 2. refer to “Installing the keypad and LCD boards:”.16 68P02963C70-O . Install the chassis assembly. Maintenance MTH500 Unit . The first column marked with an # sign provides you with the call out numbers of the components as marked in Figure 23 and Figure 24. MTH500 Components List # 1 2 3 4 5 6 7 8 Description Front Housing Assembly (Black) Front Housing Assembly (Blue) Keypad Assembly Chassis Assembly Back Housing Assembly (Black) Back Housing Assembly (Blue) Antenna 380-400 M Hz (R1) Screw. Back Standard Battery Door Assembly (Black) Standard Battery Door Assembly (Blue) Extended Battery Door Assembly (Black) Extended Battery Door Assembly (Blue) Part/Kit 0186163T07 0186163T08 0186630T01 See Figure 23 0186396T04 0186396T05 8586381J02 0304637P17 5486278T01 0186613T01 0186613T02 0186239T01 0186239T02 7287702M01 FCN9090A 8486498T01 FCN9797A 2786168T01 See Service Replacement Kit Matrix in Appendix A 9 10 11 12 13 14 LCD Module Keypad Kit Flex LCD to Keypad LCD Kit Chassis Main Board (R2) 68P02963C70-O 5 .17 .Exploded View MTH500 components are listed in the “MTH500 Components List”. Self Forming Label. Maintenance 7 5 3 1 2 8 6 (X6) 4 Figure 23 Exploded View 5 .18 68P02963C70-O . 19 .Maintenance 12 13 9 14 10 11 Figure 24 Exploded View of Chassis Assembly 68P02963C70-O 5 . Maintenance 5 .20 68P02963C70-O . MTH500 Detailed Service Manual .COMPONENT BOARD LAYOUTS Component Board Layouts 68P02963C70-O 6-1 . COMPONENT BOARD LAYOUTS This page intentionally left blank 6-2 68P02963C70-O .MTH500 Detailed Service Manual . MTH500 Detailed Service Manual .Sides 1 and 2 8487639U01_P1 TP1 8487639U01_P1 S1 D51 1 D8 VR2 TP2 U4 1D P2 J1 C2 C7 VR1 R6 C9 U2 C1 U5 R3 R4 R5 TP3 U1 P1 TP4 U3 E1 C10 D13 1 1 D10 C12 1 D7 1 D6 C11 1 D17 D11 1 D14 1 D2 R1 R2 VR4 C4 C3 C8 VR3 MK1 SHOWN FROM SIDE 1 O1 79B02964C11-O OL 79B02964C13-O SHOWN FROM SIDE 2 O1 OL 79B02964C12-O 79B02964C14-O 1D 9 3 68P02963C70-O 6-3 .COMPONENT BOARD LAYOUTS Keypad Board (FCN9090A) . MTH500 Detailed Service Manual .Side 1 and 2 8486097U01_P1 8486097U01_P1 1 D1 2 D1 M4 TP5 S4 TP 6 TP2 M5 S3 TP7 TP3 S2 C11 C14 C12 C3 C15 C10 C6 C8 C7 C9 C5 C17 C4 P1 E1 C19 C18 TP1 TP4 S5 C1 C2 C16 C13 J2 SHOWN FROM SIDE 1 O1 O4 79B02962C46-O 79B02962C48-O SHOWN FROM SIDE 2 O1 O4 79B02962C47-O 79B02962C49-O 6-4 68P02963C70-O .COMPONENT BOARD LAYOUTS LCD Board (FCN9797A) . Side 1 8488996U01_P1 R939 R909 TP914 TP814 L905 C920 R922 C922 R640 SH912 TP601 TP405 TP001 TP603 TP600 TP402 TP602 TP409 TP410 C959 SH003 R600 C600 C643 TP911 TP811 Q905 Q910 C919 Q903 R937 R924 C930 C905 C938 C939 R933 C910 L912 R934 R931 R911 R925 C653 R010 R009 R004 R001 R624 R628 R627 R625 R626 R623 R012 R011 C545 R518 R650 U601 C662 C650 CR601 TP936 C960 C921 R923 L913 C980 R936 C940 D902 R915 C927 C942 Q900 R901 R932 C906 Q904 Q907 E901 R921 C909 C904 R906 C953 C902 C901 SH901 R914 SH900 Q600 TP908 TP808 E600 R916 R951 TP412 TP411 TP408 TP407 C103 R103 R104 C102 VR107 R118 R110 TP605 C646 C640 CR600 C038 VR601 C037 R027 TP933 TP929 TP920 TP932 TP912 TP909 TP913 TP921 TP922 TP833 TP829 TP820 TP832 TP812 TP809 TP813 TP821 TP822 TP828 TP825 TP818 TP819 TP803 TP850 C903 C948 C916 C970 C946 R953 C962 C954 C951 C915 R919 C929 C931 Y901 M500 D601 R620 C119 TP504 R651 C118 U808 R908 C967 R907 C968 C932 TP403 TP414 TP401 R643 C933 R944 R927 C961 R917 U810 J700 L903 R621 R618 R622 R617 C614 R648 TP925 TP918 TP919 C656 R003 R109 R829 R918 C957 C609 C658 C629 C033 C621 R632 C603 C886 R608 C655 C602 M005 M006 TP902 E602 C703 Q002 R631 C839 R026 E603 C890 E604 C841 C050 R008 C659 C111 C420 R021 C044 C414 R020 VR002 C634 C607 C633 R610 Q801 C899 C636 R602 C604 R604 C622 R614 C632 R630 R606 C605 R646 R645 VR004 C651 C654 TP906 TP806 Q100 U105 E101 C630 R603 C664 R607 C110 C109 C108 R019 R609 C1020 C868 C809 SH801 C876 C874 C1033 R827 C113 R810 C842 Q807 C043 R828 C112 E400 L930 R642 C619 C620 L806 U106 TP905 TP805 R120 SH005 C840 R801 R802 R835 C825 C1004 R954 R960 U600 C702 C1032 C042 C880 TP915 TP815 L923 C1030 R605 R615 C635 C606 C639 C661 C631 E010 C660 C612 R106 C120 U100 R107 R101 L917 E809 R613 VR106 D101 R013 C101 R616 R014 VR003 C031 C048 C032 R025 C1009 C1045 C107 C637 C638 C862 R824 C1014 L920 C1050 C888 J002 C1023 L919 R105 C1026 C1027 C897 C898 VR005 Y600 E009 E808 E801 FL801 TP934 C877 C818 TP904 TP804 U803 R821 C1022 C035 C036 R111 U804 L916 C041 TP930 C822 TP830 L921 C869 C831 E803 U809 C1028 C701 C837 C887 C115 C114 E601 TP924 TP824 L801 C1016 C618 C617 D800 TP917 TP817 TP802 C883 C873 C879 D001 R629 R601 R611 R612 C616 TP935 Q804 C608 TP903 D907 C117 R113 C116 C895 C971 R950 C865 R803 C958 R913 C652 C610 C955 C937 TP928 C860 U107 C627 C657 C415 F600 R647 E008 C966 L922 C1031 C881 TP823 C1024 C1025 C802 R833 L918 RT800 R836 R834 C870 C871 C878 C875 C834 R822 C861 C863 C864 R823 C704 C820 C815 C816 C805 SHOWN FROM SIDE 1 O1 o 73B02964C21-O OL o 73B02964C24-O C812 C817 R825 R818 TP413 TP604 C885 C823 C1029 R815 TP923 C882 R826 U806 68P02963C70-O 6-5 .MTH500 Detailed Service Manual .COMPONENT BOARD LAYOUTS Main Board (FLF9011A) . Side 2 8488996U01_P1 SH500 C527 C539 TP501 TP502 R966 C1049 TP002 L501 C536 C572 C516 C542 C546 L504 M501 L519 C530 L525 FL502 C534 C624 C577 R968 R520 C510 CR603 C526 C535 C552 C554 C518 SH502 C500 C405 R405 R401 C424 C1046 R108 C531 L512 L513 C528 C200 U504 L505 R943 C522 C984 C1012 C1011 SH911 R945 R517 R832 E807 C1021 RT500 C501 C519 C555 C502 C580 R521 L601 E203 E201 C642 L602 C421 E401 C205 L890 C574 R956 C430 C206 C203 R407 U405 C547 C549 R504 C508 C201 C515 C504 CR602 C416 E501 R512 U503 C513 R515 L931 C648 C525 L508 Q500 C557 C573 R514 U401 VR101 C561 C560 R519 C1010 C852 FL501 R417 SH501 L530 VR105 C533 C808 C628 C503 L600 C590 C514 Q806 C866 C830 E810 R899 C641 C601 C615 C1015 L817 D500 L932 FL500 Q504 Y501 C204 C403 C402 C419 C427 R967 C049 C613 C576 C404 C407 C406 U500 C829 C891 C408 C429 C410 Q602 C413 C412 C418 C417 VR104 J10 R121 C521 L819 C532 U802 C838 R800 R808 R580 R500 C553 E500 C644 L500 C835 R809 C550 C800 C833 U800 L818 C848 C507 C844 L800 R805 C846 L815 L810 C625 C121 R819 C626 C611 M002 Q800 C867 U104 C105 C106 C023 C024 C012 C008 C855 C824 R015 C009 C015 C001 C020 C021 C022 C013 C002 E006 E005 E800 FL800 C853 R820 C426 C401 R119 U801 C854 R804 C849 C819 L813 C851 C004 C847 C006 R807 L808 M001 R838 C814 C843 L811 E806 R963 L803 C811 L812 C850 C827 C011 C005 Q808 C845 R816 P15 E003 R806 C859 U402 C856 L805 R812 C828 C821 C027 C028 C029 C017 C019 C025 C026 C014 C010 Q805 R964 R962 R016 C003 E007 C007 C016 E001 E002 E004 C425 C857 R961 SHOWN FROM SIDE 2 O1 o 73B02964C22-O OL o 73B02964C24-O 6-6 VR102 R817 R814 C122 C894 L809 E102 C832 C505 C1048 L518 SH802 C663 D801 R965 R649 C647 C649 U403 C104 C512 C524 C551 C623 C422 C423 C428 C409 L520 TP500 TP503 68P02963C70-O .COMPONENT BOARD LAYOUTS Main Board (FLF9011A) .MTH500 Detailed Service Manual . MTH500 Detailed Service Manual .Schematic Diagrams and Parts Lists Schematic Diagrams and Parts Lists 68P02963C70-O 6-7 . C7 VALUE VR1 VR2 PHF PHF_PTT 33.u C12 10.MTH500 Keypad Board (FCN9090A) MTH500 Keypad Board (FCN9090A) E1 BACKLIGHT+ BLM11B601S 40 pin Main To Keypad conn C11 P1-19 19 P1-21 21 BACKLIGHTROW1 BACKLIGHT+ 1.n C10 180.u PHF_EAR PHF_GND PHF_SENSE J1-4 J1-3 1 6 ROW0 ROW1 COL0 COL1 FLTR_EZAST33A 7 8 9 10 R4 R3 R2 R1 1 GND1 6 Connector GND pins H1 H2 J1 ROW2 ROW4 FLTR_EZAST33A ROW3 U3 7 8 9 10 R4 R3 R2 R1 S1 GND2 C4 C3 C2 C1 5 4 3 2 ROW2 B1 B2 C1 1 GND1 6 7 S1 4 S1 1 S1 RIGHT S1 C2 D1 D2 E1 E2 P1 P2 0 S1 8 S1 5 S1 2 S1 MENU S1 J2 K1 K2 L1 L2 R1 R2 ROW3 # GND2 C4 C3 C2 C1 5 4 3 2 ROW4 S1 S2 T1 S1 9 S1 6 S1 3 S1 UP S1 T2 U1 U2 V1 V2 Q1 Q2 1 MUTE S1 LEFT S1 A2 N1 N2 GND1 P1-22 22 P1-24 24 P1-26 26 P1-28 28 RESET 7 COL4 8 9 COL3 10 R4 R3 R2 R1 GND2 5 4 3 2 C9 COL4 COL3 COL2 RESET BACKLIGHT+ PHF_MIC J1-1 FLEX to Display Board J1-2 BACKLIGHT+ P2-12 12 J1-5 BACKLIGHT- P2-13 13 RESET P2-6 6 ROW4 C8 VALUE COL2 P2-14 14 P2-15 15 C4 C3 C2 C1 5 4 3 2 VR3 C3 VALUE C4 VALUE VR4 MIC GND INT_MIC2 INT_MIC+ 1 + MK1 GND COL4 P2-16 16 P2-1 1 GND P2-7 7 P2-19 19 GND P2-22 22 GND P2-9 9 R4 0.p W1 W2 G1 ROW0 SOFT KEY SEND/END S1 SOFT KEY DOWN S1 LEFT S1 G2 M1 RIGHT S1 MODE S1 M2 X1 X2 F1 F2 * P1-25 25 P1-23 23 P1-27 27 P1-41 41 P1-42 42 U4 P1-30 30 P1-32 32 P1-29 29 P1-31 31 COL0 A1 COL1 C4 C3 C2 C1 U5 COL2 FLTR_EZAST33A PHF_GND VALUE place close to PHF_JACK P1-8 8 C1 C2 VALUE R3 68 P1-4 4 P1-6 6 P1-10 10 P1-14 14 P1-2 2 P1-13 13 P1-12 12 P1-17 17 P1-5 5 P1-3 3 INT_EAR-_PHF_EAR INT_EAR+ GND GND GND FLTR_EZAST33A GND PHF_SENSE PHF_MIC INT_MIC+ 7 8 9 10 R4 R3 R2 R1 U1 1 GND1 6 GND2 INT_MICR6 0.SCHEMATIC DIAGRAMS . INT_EAR-_R P2-21 21 contact pins GND P1-9 9 P1-11 11 1 P1-1 GND GND1 6 U2 EZAST21 GND GND GND P2-23 23 P2-24 24 P1-7 7 P1-16 16 P1-15 15 P1-36 36 P1-33 33 P1-34 34 P1-37 37 P1-40 40 P1-18 18 P1-20 20 P1-35 35 P1-38 38 P1-39 39 GND 7 R4 C4 ON_OFF 5 ON_OFF P2-18 18 PTT 8 R3 C3 4 PTT P2-17 17 RS CHIP SELECT 9 R2 C2 3 RS P2-5 5 10 R1 C1 2 CHIP SELECT P2-3 3 GND GND GND P2-11 11 GREEN LED GREEN LED P2-10 10 2.775_DISPLAY 2.775_DISPLAY P2-8 8 DATA DATA P2-4 4 CLOCK CLOCK P2-2 2 1 GND2 RED LED RED LED 6-8 68P02963C70-O . INT_EAR+_R P2-20 20 R5 0. MTH500 Detailed Service Manual . Part not placed 400&880MHz resonance Cap. CAPACITORS Ref # C1 C2 C3 C4 C7-9 C10 C11 C12 CONNECTOR and INDUCTORS Part # 2311049A30 9186929J02 9186929J02 9186929J02 9186929J02 2113743P01 2113928A01 2113741F49 RESISTORS Ref # Part # Description Description Tant. chip 33µF 400&880MHz resonance Cap.J conn.J INTEGRATED CIRCUITS GENERAL Ref # Part # Description Ref # U1 U2 Part # 9186133U02 9185759B01 9186133U02 Description FLTR_EZAST3 3A EZAST21 FLTR_EZAST3 3A 1µF 10nF MK1 5086346J02 Part not placed U3-5 DIODES Ref # Part # Description RESISTOR Ref # R1-2 Part # 0662057C43 0662057A21 0662057A18 0662057B47 9997639U01 Description res_47 Ohm res_68 Ohm res_51 Ohm res_0 Ohm Keypad_22 ZENER DIODES Ref # VR1-4 Part # 4804645P09 Description Suppr. Part not placed Part not placed Ref # J1 P1 P2 Part # 0985885K01 0986926J03 0986966J01 Description conn. 6V LED Ref # D1 D2-3 D5 D6 D7-10 D13-14 D17 E1 R3 Part # 4886955J02 4886955J02 4886955J02 4886955J02 4886955J02 4886955J02 4886955J02 2409134J04 Description Part not placed R4-5 R6 S1 LED_grn LED_grn Part not placed LED_grn LED_grn LED_grn BLM11B6016 68P02963C70-O 6-9 .J conn. the part number should be included.MTH500 Keypad Board (FCN9090A) Component Parts MTH500 Keypad Board (FCN9090A) Component Parts When ordering component parts. p C1 180.p C15 180.p C5 180.p C4 180.p C17 180.775_DISPLAY 2.u C19 10.p C8 180.p C6 180.p C3 180.10 68P02963C70-O .p C14 180.775_DISPLAY J2-6A J2-6B 6A P1-18 18 RS RS J2-2A J2-2B 2A P1-19 19 DATA DATA J2-1A J2-1B 1A P1-21 21 CLOCK CLOCK J2-7A J2-7B 7A P1-20 20 CHIP SELECT CHIP SELECT J2-4A J2-4B 4A P1-22 22 GND GND GND J2-5A J2-5B 5A P1-16 16 P1-4 4 GND DISPLAY P1-1 1 GND P1-14 14 GND 73D02964C07-O P1-23 23 P1-24 24 DNP DNP DNP DNP DNP DNP DNP DNP DNP DNP DNP DNP DNP DNP DNP DNP DNP C18 1.p C9 180.n C13 180.p C12 180.p C10 180.MTH500 LCD Board (FCN9797A) MTH500 LCD Board (FCN9797A) ROW4 BACKLIGHT+ S2 FLEX to Keypad Board COL2 VOL DOWN 3 A1 4 A2 B1 1 B2 2 BACKLIGHT+ P1-11 11 BACKLIGHT+ S3 COL4 3 A1 4 A2 VOL UP B1 1 B2 2 RED D12 GREEN D11 P1-10 10 BACKLIGHT- P1-17 17 RESET P1-9 9 ROW4 S4 3 A1 4 A2 ON/OFF B1 1 B2 2 TLSU1008_RED BACKLIGHT+ 8 P1-7 7 COL4 P1-3 3 INT_EAR+_R M4 S5 3 A1 PTT B1 1 B2 2 P1-2 2 TLGU1008_GRN P1-8 COL2 INT_EAR-_R M5 BACKLIGHT+ J2-9A J2-9B 4 A2 9A P1-5 5 ON_OFF BACKLIGHTPTT J2-8A J2-8B 8A P1-6 6 P1-12 12 RED LED RESET J2-3A J2-3B 3A P1-13 13 GREEN LED E1 BLM11B601S P1-15 15 2.SCHEMATIC DIAGRAMS .p C7 180.p C2 180.p C16 180.p C11 180.p GROUND CONTACTS DNP DNP DNP DNP DNP DNP DNP TP1 CLIP 1 CLIP 1 TP2 CLIP 1 CLIP TP3 CLIP 1 CLIP TP4 CLIP 1 CLIP TP5 CLIP 1 CLIP TP6 CLIP 1 CLIP TP7 CLIP CLIP 6 . MTH500 LCD Board (FCN9797A) Component Parts MTH500 LCD Board (FCN9797A) Component Parts When ordering component parts.MTH500 Detailed Service Manual .AUDIO Ref # Part # Description DIODES Ref # Part # Description RESISTOR Ref # Part # Description LED Ref # D11 D12 Part # 4886955j02 4886955j01 Description LED_grn LED_red CONNECTOR and INDUCTORS Ref # E1 J2 P1 Part # 2409134j04 0988189K02 0986966j01 Description Ind. conn_J conn_J 68P02963C70-O 6 . the part number should be included. chip fer.11 . CAPACITORS Ref # C1-17 C18 C19 RECEPTOR Part # 2113743p01 2113928A01 2113741F49 RESISTORS Part # Description Ref # Part # Description Description Part not placed Ref # 1µF 10nF GENERAL Ref # M4-5 S2-5 TP1-7 Part # 3986295T01 4086218A02 4209080u02 Description Contact Switch Part not placed INTEGRATED CIRCUIT . 775V RF_TEMP ANT_EN V4_2.775V RF_TEMP VREF1_2.MTH500 MAIN Board (FLF9011A) MTH500 MAIN Board (FLF9011A) VREF1_2.8_MHz_CLK RAW_B+_RF TETRA_MAIN_VCO_ON WPIC_SSI_FSYNCH WPIC_OSC_EN 16.775V_RF 5V_RF V3_2.12 68P02963C70-O .775V SYNT_CS_ RX_ACQ RF TETRA_MAIN_VCO_ON WPIC_FSYNC WPIC_OSC_EN 16.775 SYNTH_CS RX_ACQ DIGITAL ANT_EN V4_2.8_OR13_MHz_CLK RAW_B+_RF PA_Bias SPIA_MISO SPIA_CS2_ODCT WPIC_STD SPIA_MOSI SPIA_CLK LO_Driver_En LO_Mixer_En RESET PA_BIAS SPIA_MISO SPIA_CS2_ODCT WPIC_STD SPIA_MOSI SPIA_CLK LO_Driver_EN LO_Mixer_EN RESET SPIA_CS0_WPIC WPIC_SRD PA_TEMP TCXO_WARP WPIC_TXCLK WPIC_TXE SPIA_CS0_WPIC WPIC_SRD PA_TEMP TCXO_WARP WPIC_TXCLK WPIC_TXE 79B02964C09-O SHEET 1 OF 9 6 .SCHEMATIC DIAGRAMS .775V 5V_RF V3_2. 775V_RF Antenna Contacts offset_vco Ded_Synt_Ref Ded_Synt_Ref offset_vco_En RX_2nd_LO RX_2nd_LO TP811 CHTSTP TETRA_RX_LO TETRA_RX_LO TETRA_MAIN_VCO_ON 1 TETRA_MAIN_VCO_ON TP808 TETRA_2nd_LO_Enable TETRA_2nd_LO_Enable 1 CHTSTP SPIA_CS3_SYNT SYNTH_CS SPIA_CLK GND GND SPIA_MOSI 79B02964C09-O SHEET 2 OF 9 68P02963C70-O 6 .775V_RF N/U TP806 CHTSTP C1046 47.n 5V_RF 1 N/U TP825 TP815 CHTSTP C203 270.775V_RF VREF1_2.p C206 100.8_OR13_MHz_CLK 1 CHTSTP 1 PA_BIAS CLK_OUT ANT_EN TP813 1 ANT_EN VA Connector SF_OUT SF_OUT TETRA_TX_LO TETEA_TX_LO TETRA_ANT TP809 CHTSTP CHTSTP J700-2 2 M500 J700-1 1 J700-3 3 J700-4 4 WPIC_OSC_EN 1 1 OSC_EN ADAPT ADAPT offset_vco 5V_RF+ RX_ACQ RX_ACQ TP833 CHTSTP TP850 CHTSTP M501 GND WPIC_TXE TCXO_WARP 1 Frequency Generation TXE CPGITR TCXO_WARP PRSCIN PRSCIN CPGITR 2.n CHTSTP 1 1 RESET RAW_B+_RF TP802 CHTSTP 5V_RF+ WPIC_RESET 2.0U E201 VALUE C200 270.p C204 100.775V TCLK TCLK ODCT_RESET RAW_B+_RF TP830 CHTSTP TCLKB TCLKB 5V_RF+ V3_2.775V VREF1_2.MTH500 Detailed Service Manual .13 .775V_RF 1 E203 VALUE TP828 CHTSTP TP803 CHTSTP 1 N/U TSLOTB TSLOTB PA_TEMP PA_TEMP TP819 CHTSTP C205 270.u V4_2.p C201 100.n SPI_IN OUTIB SPI_CLK OUTI WPIC_CE OUTI TP822 OUTIB SPIA_CS0_WPIC RF_TEMP 1 TP820 CHTSTP 1 TP829 CHTSTP 832 CHTSTP 1 RF_TEMP Receiver OUTQB OUTQB TETRA Transmitter CHTSTP ODCT_CS 1 TP821 1 TP818 SPIA_CS2_ODCT OUTQ STD OUTQ SPI_CLK CHTSTP CHTSTP SPIA_CLK WPIC_STD SPI_MISO SRD VCNTO VCNTO SPI_MOSI 1 SPIA_MISO WPIC_SRD 1 1 TP823 SPIA_MOSI WPIC_TXCLK TP812 CHTSTP TXCLK RX_TETRA RX_TETRA TP824 CHTSTP 1 CHTSTP ASW 1 ASW LO_Driver_EN TP817 1 CHTSTP TP804 LO_Driver_EN WPIC_SSI_FSYNCH TP814 CHTSTP SSI_FSYNCH LO_Mixer_EN LO_Mixer_EN PA_BIAS 16.MTH500 Main RF Block MTH500 Main RF Block N/U N/U TP934 PLATED_HOLE5_2X7_6 GND SH912 SHIELD U810 PLATED_HOLE5_2X7_6 GND Digital Test Point Shield 1 1 1 TP805 CHTSTP L931 1 1.775 V3 TSLOT TSLOT 2. n C868 100. C819 270.2K GND GND 4 VDD 3 TETEA_TX_LO C800 82. R817 51.8n GNDO DGND GNDD GNDU GOFF GND2 GND GCP C862 18.p C818 270.p L803 100n L805 100n GND GND GND 10K 10K R962 4.p 12n 1 R800 300 R808 300 1.2K C827 270.p GND GND GND 6 .n C844 12.n C875 100.p 6.n 14 17 22 34 40 53 63 GND GND GND GND ODCT_RESET SPI_CLK SPI_MOSI SPI_MISO ODCT_CS GND GND GND 2 3 4 5 6 19 20 36 37 38 9 TSLOT TSLOTB TCLK TCLKB OUTQB OUTQ OUTIB OUTI ASW 10 11 12 58 59 60 61 28 MRSTB SPIC SPII SPIO SPISB OVCO OVCOB RFINB RFIN LCAP SLT SLTB CLKI CLKIB BINQB BINQ BINIB BINI ASW U803 ODCT_H19GED RFOUTB RFOUT LOQ LOQB LOI LOIB MVCO MVCOB LP1QB LP1Q LP1IB LP1I CAPO CAPM LP2QB LP2Q LP2IB LP2I CAPR CAPRB 26 2.p GND GND C859 390.2 C854 1.5V_TX SH802 SHIELD 2.5V_TX 5 4 5 8 C704 10u C802 270.775V_ODCT R838 5V_RF+ 150.p R821 18 R824 18 R822 18 R823 18 C815 270.n GND GND GND GND GND 27 29 30 TST1 TST2 TST3 TST4 VSSR LSUB DSUB USUB CPO GND GND GND 8 L807 VCC2 39n 51 52 46 45 57 56 24 25 41 42 43 44 32 31 47 48 54 55 64 1 23 13 33 49 16 C880 6.p C816 270.7K R963 4.n C824 270.775V_ODCT 2.775V_RF offset_vco 2.7n C882 4.2p R807 510 L808 22n C853 R820 8.p 51.8n C834 270.p L809 12n C894 100.p L800 68n R805 560 2 1 RF_IF U800 LO_IN 6 CMY210 IF_RF L810 GND1 GND2 C846 10.0n C881 4.14 68P02963C70-O .p C874 100.775V_RF 2.775V_ODCT 2.n C845 12. FL800 DG0106A01 D 6 7 S S1 C843 15.7K GND GND GND R961 330 1 L811 8.8NF C861 18.775V_ODCT 2.0n C1020 GND 100.n N/U N/U GND GND GND 1 B_IN 3 GND1 GND2 BA_IN NC1 U_OUT 8 C1050 270.p C856 1.p GND GND R814 2.p L812 8.p R836 300 R834 300 BLM11B601S GND 270.4p R816 51.p C1033 270.5V_TX Q805 R964 2K Q800 E806 BLM11B601S 10K LO_Mixer_EN L1T1 E800 2.p OUT_0 OUT_90 C849 2.p C809 270.p C878 6.n C871 100.p C885 100.p GND GND GND GND GND GND GND GND GND GND GND C851 3.2n IN ISOL C833 470.p C857 1.2n C821 270.p C820 270.p 2 R819 18 3 IN IN_GND GND1 GND2 GND3 OUT OUT_GND C847 GND4 8.n U804 380Mhz 6 R833 18 GND 1 18 15 21 35 39 50 5V_RF+ GND GND 62 GND GND L922 BLM10B601SDP PA_TEMP 2 C1031 270. C814 N/U E803 L926 22n N/U C1032 270.775V_RF GND N/U SH801 SHIELD 2.775V_RF 5V_RF+ 1 ODCT Shield 7 GND GND GND GND C1009 6.7n C805 270.n R812 270 2.n C876 100.p R806 1.MTH500 Transmitter Block (Sheet 1 of 2) ) MTH500 Transmitter Block (Sheet 1 of 2) ) LO_Driver_EN L1T0 2.p 7 RT800 47K C812 270.8p 2 VDD VCP VOFF VCCO VCCD VCC VCCU N/U N/U C869 100.8n 6.775V_RF BLM10B601SDP C855 1.p Q808 L813 22.p L815 56n 10K GND R804 2.SCHEMATIC DIAGRAMS .n C870 100.8n C877 6.3p U801 SLC_045P C811 270.8n N/U C864 C863 GND GND GND C831 1.n ODCT Bottom Shield (LO Line Up) C828 270.n C850 4. p GND Ant.p 270.p GND L819 C891 270.7n U802 COUP_0902BW 1 3 C822 IN OHM_50 OUT COUP GND1 GND2 5.p R899 100.p GND GND NC15 5 17 SH800 SHIELD C1024 100.p R818 150 R815 150 GND GND 68P02963C70-O 6 .MTH500 Detailed Service Manual .n GND 13.K C866 E808 BLM11B601S GND N/U GND C1027 C888 C1022 1.p 10K PA_BIAS 10K GND GND R825 39 79B02964C09-O SHEET 3 OF 9 2 C817 180.8n 16 VBIAS GND GND1 C830 C1045 390p GND 270.p C1012 270.p N/U C1026 270. C852 5.6n 2 4 2 IN OUT 1 K1 L818 22n C848 C1010 C1011 3.6p E807 BLM10B601SDP GND GND GND RX_TETRA GND GND L919 L918 BLM10B601SDP BLM10B601SDP GND GND R832 R828 215 100.2n R826 51 GND GND GND 7 9 10 11 15 C1030 7. SW Shield R954 R960 1K GND GND 5V_RF+ R809 150 C1004 Q807 100.85n 180.p C898 270.n L917 8 6.n A2 K2 3 L923 2.n L817 15n C1015 5.85n 120n 3p C867 2.775V_RF RAW_B+_RF RAW_B+_RF Q806 10K 10K 1 C701 100.u 3 GND GND GND GND E809 BLM11B601S OUT 2 E801 FM60R IN 10K C897 33.p N/U C1023 100.n 1 PA Shield N/U C1025 270.u C702 100.15 .p GND GND FL801 ISO-UB1103-11 U806 L921 1 VCC 14 6 RF_IN 2 LTUNE 4 C823 1.p L920 GND GND L916 56.5p 4 56p GND C838 4.MTH500 Transmitter Block (Sheet 2 of 2) MTH500 Transmitter Block (Sheet 2 of 2) 2.p RAW_B+_RF 10K VCNTO GND GND ANT_EN E810 BLM10B601SDP 270.7p GND C1021 GND 270.p SHIELD D801 GND N/U SH911 GND GND 10K C899 270.n GND GND GND GND C835 18.8p A1 C808 TETRA_ANT L890 13.u C1014 270.1p GND 6.p C832 68p 1 200 R827 301 N/U C825 270.6p C829 270.9p 9.u C703 100.p RF_OUT1 C1028 13 RF_OUT2 12 RF_OUT3 Q1C U809 RF2175 VREG 3 NC3 NC7 NC9 NC10 NC11 GND17 C1029 13p 1. 16 6 68P02963C70-O .775V_RF L505 68.775V_RF C513 C522 100. 3 RF_IF LO_IN IF_RF GND1 GND2 1 6 L512 12.n should be 75n BLM10B601SDP E500 FL500 C576 DG0106A01 RX_TETRA L508 R943 560 56.n C524 1.SCHEMATIC DIAGRAMS .2p C531 C521 3.p C553 100.n Pins crossed for better routing 10K 10K L932 39n U500 RF2361 R580 220.775V_RF Enviorement Temp.p TETRA_RX_LO 2.775V RX Front End Shield 1 GND 6 .8p C539 1.p 5V_RF+ 2.6p FL502 L504 470. L525 22n 2.n E501 1.p 4 VDD U504 CMY211 10K C532 6.p 4.8p OUT 4 5 C1048 2.p SH501 SHIELD C574 270.n C512 270.n C551 1.7n IN GND1 OUT 2 GND2 4 L513 12.8p 2 5 1.n C984 470. Sens.n 1 IN GND1 GND2 GND3 GND 98A02 FL501 8 380MHZ-BPF R519 0 C525 12.p C510 270.p L500 22n BLM10B601SDP 270p 2 3 D500 IN IN_GND GND1 GND2 GND3 OUT OUT_GND GND4 6 7 C507 L530 47n Q500 10K C550 1.775V C500 270.MTH500 Receiver Block (Sheet 1 of 2) MTH500 Receiver Block (Sheet 1 of 2) CPGITR 1 ADAPT 2 PRSCIN 3 2.p L518 33n 270.0n C505 1n RFIN RF0UT VPD GND2 4 4 2 5 C528 8.K C514 270. 6 R965 R517 470 R945 470 Q504 10K V3 10K 10K 10K V3 GPO5/DCLICP 6 5V_RF+ C590 270.p RT500 47K VREF1_2.775V_RF N/U N/U 2 3 5 270.775V_WPIC 2.n 1 5 4 8 GND1 1 3 R500 1.775V_RF RF_TEMP N/U VREF1_2. MTH500 Detailed Service Manual - MTH500 Receiver Block (Sheet 2 of 2) MTH500 Receiver Block (Sheet 2 of 2) Tetra RX Mixer + 2nd LO Enable TETRA_2nd_LO_Enable 1 RX_2nd_LO 2 WPIC1(1:8) 2.775V_WPIC 5V_RF+ V3 1 2 3 C504 R504 100.n C508 C515 U503 WPIC27C02 100.n 100.n 4 5 6 7 8 TCLK TCLKB TSLOT TSLOTB OUTIB OUTI OUTQB OUTQ OSC_EN SF_OUT 3 C516 100.n 33. 2 1 C10 B11 C11 B10 TCLKB TCLK QGND REFVCC OUTQB OUTQ REFGND OUTIB OUTI TSLOTB TSLOT VAG TCAPP TCAPM BBFVCC CREF BBFGND TEST1 TEST2 PRAVCC1 PRAGNDDIG PRAGND PREINI PREINIB PREING PREINGB RFA0 DMXVCCDIG DMXGNDDIG DMXGND LOIN DMXVCC AGCVCC AGC AGCGND VAGBYP PRAVCC2 TXKEYOUT DETSW SATDET GPO2 GPO1 MAINVCC PRSCIN MAINGND REFPLLVCC RXACQ PKGGND1 PKGGND2 PKGGND3 PKGGND4 REFPLLGND VCOCT2 SERIALVCC OSCENB MNCPGND ADAPT MNCPVCC SFOUT SFBYP SFVCC SFGND VBLIN VCNTO LOGICGND LOGICVCC OSCGND XTALWARP XTALEMIT XTALBASE OSCVCC GPO3 PLLCP PLLCPVCC PLLEMIT PLLBASE CPGT CLKOUT CPGITR RXFS SRD SERIALGND AGCDRIVE TXCLK_SCK TXE_TXKEY RXCLK STD DMCS NVCC CLKSEL NGND QVCC SPII SPICLK CEX TESTD_GP04 TM RSTB DCLQCIN DCLQCP ASW VCOCT1 DCLICP DCLICIN J2 H11 J9 K2 L1 H4 L4 K4 J4 K3 L5 J6 L7 K7 K5 J8 L6 K6 J7 B7 F11 F9 G9 G11 L2 F10 L3 L11 J11 L8 G3 K11 H8 J10 K10 L10 E9 C9 D11 D10 L9 K9 K8 D9 E11 E10 C6 A6 J5 K1 B6 C5 R520 100.K R521 100.K 8 TP503 TP502 2.775V_WPIC C560 C561 10uF C519 100.n R966 39 N/U C1049 270.p 10uF C501 100.n 7 8 5 6 4 C518 2.775V_WPIC C8 A8 B9 A9 D8 A10 A11 E1 B8 C7 C4 A7 A5 TP500 TP501 3 CLK_OUT VCNTO 2.775V_WPIC 100.n C502 100.n C572 100.n C554 47.n C542 3.3n 2.775V_WPIC D4 D3 C3 A1 A2 B4 Ded_Synt_Ref 2.775V_WPIC C580 1.n VREF1_2.775V GPO6/DCLICIN 4 2.775V_WPIC A4 B3 A3 B1 D2 R518 51 C545 5.1p C552 1.n C2 B2 D1 C1 2.775V_WPIC N/U C555 9 100.n R967 22 L519 220.n L501 470.n 5 2.775V_WPIC C530 10.n C526 10.p F1 F3 E2 R512 E3 B5 F2 C577 10.n R968 470.K C557 15n 2.775V_WPIC 2 3 2.775V_WPIC C546 1.5p C536 22p C527 10.p 220.n L520 C535 100.n C547 100.n C533 4 10u C503 10n 4 VCC 3 5 6 7 TCXO_16.8MHZ N/U Warp from WPIC 5.1K 2.775V_WPIC J3 H1 H2 J1 H3 G1 2.775V_WPIC Y501 OUTPUT V_CONT 1 FREQ TCXO_WARP C534 10.n 6 N/U GND 2 R956 0. G2 G10 H9 D6 F4 F8 H6 H10 C549 100.n C573 100.n SRD WPIC2(1:9) 2 3 4 N/U SH500 SHIELD SH502 SHIELD 5 6 7 8 9 1 1 TP504 ASW TXCLK TXE STD SPI_IN SPI_CLK WPIC_CE WPIC_RESET SSI_FSYNCH RX_ACQ R514 100K RX IF Shield WPIC Shield R515 100K 79B02964C09-O SHEET 4 OF 9 68P02963C70-O 6 - 17 SCHEMATIC DIAGRAMS - MTH500 Frequency Block Tetra Main VCO (Sheet 1 of 2) MTH500 Frequency Block Tetra Main VCO (Sheet 1 of 2) 5V_RF+ SF_OUT 2.775V_RF 5V_RF+ SF_OUT 2.775V_RF Q907 10K GND TETRA_MAIN_VCO_ON 10K SF_OUT 10K 10K TETRA Main VCO R934 1.K R931 8.2K Q900 GND GND R927 22. TETRA_RX_LO GND C910 R901 47.K L913 390n C980 18.p N/U 100.p R932 1.3K R944 22 GND GND R924 C905 100p R911 2.2K C930 5.6p R917 75 CPGITR L903 390n C932 15p C927 15.p GND Q904 100p R937 51 R914 3.6K R921 C929 C955 22n R913 820 C961 22.0n Y901 D907 FREQ RESONATOR C942 12p 5.1p R925 33 GND GND 270 C909 100.p 68 C906 100.p Q903 C933 C938 4.3p TETRA_TX_LO L907 10n C939 R933 1.5K R923 68. C904 270.p C901 100.n 3.6p N/U GND C931 ADAPT R918 180 C957 4.7n R936 GND 100. GND GND GND GND 5.1p L912 390n GND C937 100n C958 100n GND GND PRSCIN C915 100p GND SH900 R919 510. SHIELD 1 GND GND Main VCO Shield GND GND 6 - 18 68P02963C70-O MTH500 Detailed Service Manual - MTH500 Frequency Generation Block, Offset VCO (Sheet 2 of 2) MTH500 Frequency Generation Block, Offset VCO (Sheet 2 of 2) 2.775V_RF 5V_RF+ offset_vco_En SF_OUT C879 0.01UF C883 100.n C966 1.n C968 1.n R907 18. R908 18. C967 270.p C954 270.p GND GND Q804 R835 C873 1.n L816 R802 2.2K C837 33.p Q801 15 DORF FOLD 5 6 C970 1.n R951 150. N/U C916 1.n 1 9 13 21 NC1 NC2 NC3 FINIF2 FINIF 8 FINRF1 FINRF DATA LE 14 SPIA_MOSI 20 8.2K 3.3n 33.n DOIF D800 18 17 C971 1.n Ded_Synt_Ref C946 100.p GND C865 1.n GND GND GND GND 22.n C860 GND GND GND C841 68.p R810 100 GND GND GND 18p 4.7K 68.p SPIA_CS3_SYNT R829 C895 L801 C840 R801 C839 C842 22.p C1016 39.p C887 68.p C890 39.p 68.n L806 68.n 510. L930 390n GND GND GND GND Offset VCO TP936 R803 C886 39p SPIA_CLK 2.2K GND TP_SMD_40X40 22 23 24 offset_vco GND VP2 VCC2 VP1 VCC1 2 12 CLK 3 11 U808 LMX2332LSLB GND5 GND4 GND3 GND2 19 16 10 GND1 7 4 NC4 OSC_IN GND GND R950 GND 510. SH901 SHIELD SF_OUT GND 1 Dedicated Synth. Shield E901 BLM10B601SDP GND R939 100. C902 100.n TETRA - Rx 2ND LO Q910 GND C953 GND TETRA_2nd_LO_Enable GPO6 R906 4.7K GND C960 7.5p C920 8.2p Q905 R916 R915 4.7K C948 6.8n 2.2K D902 L905 47n C940 2p R909 11K C922 10.p C919 15.p R953 100. C951 12.p C962 20.p C959 1.n 1.n L906 33n RX_2nd_LO 79B02964C09-O SHEET 5 OF 9 GND R922 390 GND GND GND GND C921 10.p GND GND C903 33.n GND GND GND 68P02963C70-O 6 - 19 p C007 180.SCHEMATIC DIAGRAMS .8_OR_13MHz_CLK 1 PA_TEMP GCAP3 CODEC INTERFACE WPIC EPPI SIM Reader PTT CE Bus I/O AUDIO_SENSE VA_EN SWB+_EN GCAP3_DCLK GCAP3_FSYNC GCAP3_TX GCAP3_RX 39 DNP TETRA_DATA DATA R020 RESET R021 PTT TETRA_RESET DNP TETRA_CLK TETRA SIM J002 1 5 N. R016 22.p C008 180.p C004 180.p BATTERY ID Bottom Connector TCXO_WARP BAT_DATA 18 RS232_CTS RS232_RTS 19 20 21 TCXO_WARP TP919 TP928 TP918 SPIA_CS2_ODCT SPIA_CS0_WPIC SPIA_MISO SPIA_MOSI SPIA_CLK RAW_B+_RF LO_Driver_En LO_Mixer_En PA_Bias 1 PA_BIAS TP911 TP915 1 RAW_B+_RF 1 TP917 TP922 1 TP921 1 SPIA_CS2_ODCT 1 SPIA_CS0_WPIC 1 SPIA_MISO SPIA_MOSI TP923 SPIA_CS2_ODCT SPIA_CS0_WPIC SPIA_MISO SPIA_MOSI SPIA_CLK 1 LO_Driver_EN 1 LO_Mixer_EN TCXO SPIA I/O RS232 I/O MISC I/O RS232_RX RS232_TX RS232_RI RS232_DCD RS232_DTR RS232_DSR OPT_SEL_1 OPT_SEL_2 MUX_CTRL MOD 22 23 24 25 26 SPIA_CLK TP924 27 LO_Driver_En LO_Mixer_En PA_Bias GCAP3_AD_TRIGGER TX_DETECT 28 29 30 31 TP913 TETRA_MAIN_VCO_ON TP909 1 TETRA_MAIN_VCO_ON TETRA_MAIN_VCO_ON WPIC_OSC_EN RX_ACQ TP904 SYNT_CS_ ANT_EN WPIC_TXE RESET 16.20 68P02963C70-O .p C027 180.C.p DNP C042 22.p 1 TP935 DNP DNP DNP DNP DNP DNP DNP DNP DNP DNP DISPLAY_RS V3_2.p C017 180.MTH500 Main Digital Block (Sheet 1 of 2) MTH500 Main Digital Block (Sheet 1 of 2) PHF_GND P15-8 ON/OFF P15-16 DATA P15-38 CLOCK P15-39 PHF_MIC P15-10 MIC.p E003 BLM10B601SDP E005 BLM10B601SDP E004 BLM10B601SDP E007 BLM11B601S E006 BLM10B601SDP 3 4 5 6 7 8 9 10 11 GND P15-1 GND P15-2 GND P15-7 GND P15-12 GND P15-13 GND P15-17 GND P15-34 GND P15-37 GND P15-40 GND P15-9 GND P15-11 VIBRATOR DIGITAL / KEYPAD / LED BLOCK SPIB_CS1_DISPLAY KP_COL0 KP_COL1 KP_COL2 KP_COL3 KP_COL4 KP_ROW0 KP_ROW1 KP_ROW2 KP_ROW3 KP_ROW4 12 VIBR_EN 13 14 13 CHIP_SEL P15-33 COL0 P15-32 COL1 P15-30 COL2 P15-28 COL3 P15-26 COL4 P15-24 ROW0 P15-31 ROW1 P15-29 ROW2 P15-27 ROW3 P15-25 ROW4 P15-23 33 COL0 COL1 COL2 COL3 COL4 ROW0 ROW1 ROW2 ROW3 ROW4 E001 14 32 30 28 26 24 31 29 27 25 23 DISPLAY 15 16 KEYPAD SPIB I/O SPIB_CLK SPIB_MOSI SPIB_MISO SPIB_CS2_GCAP3 17 Backlight+ P15-19 19 BLM11B601S VREF2_2.p C005 180.p C014 180.p C013 180.775V BLM10B601SDP C019 180.p C006 180.8_MHz_CLK PA_TEMP RF_TEMP WPIC_STD WPIC_SRD WPIC_FSYNC WPIC_TXCLK 1 TP903 RF_TEMP TP930 1 TP914 1 RESET TP925 TP933 1 WPIC_OSC_EN TP908 1 RX_ACQ WPIC_OSC_EN RX_ACQ WPIC I/O GCAP3 I/O SOFT_TURN_OFF LV_DETECT 32KHz_CLK 32 33 GCAP3_INT GCAP3_STANDBY 34 35 36 37 38 1 SYNT_CS_ 1 ANT_EN 1 WPIC_TXE SYNT_CS_ ANT_EN WPIC_TXE RESET_OUT TP920 TP929 TP912 TP932 1 1 47 1 1 WPIC_STD WPIC_SRD WPIC_FSYNC WPIC_DSPCLK DNP 100.p C003 33.P15-21 GRN_LED P15-20 RED_LED P15-18 EARPIECE+ P15-5 PHF_EAR/EARPIECE. 6 7 DATA TETRA 2 3 RESET TETRA CLK TETRA DNP 2 1 0 TETRA_VSIM TETRA_VSIM R026 2 1 DNP C043 22p C041 100n 3 VR004 DNP VR002 6.p R003 12K VSIM SIM_POWER SIM_RESET SIM_CLOCK SIM_DATA 40 41 42 43 44 45 46 47 6 . DNP WPIC_STD WPIC_SRD WPIC_FSYNC WPIC_TXCLK 16.p C025 180.p C028 180.p C029 180.p C021 180.P15-4 MIC+ P15-6 Backlight.p C024 180.p C002 33.P15-3 RESET P15-22 PHF_SENSE P15-14 PTT/PHF_PTT P15-15 DISPLAY_RS P15-36 Contact GND Contact GND P15-42 P15-41 8 16 38 39 R015 22.p C010 180.p C020 180.775V DNP E002 V3_2.p C012 180.8_MHz_CLK 16.p C023 180. 1 2 10 4 6 21 20 18 5 3 22 14 15 36 42 41 1 2 7 12 13 17 34 37 40 9 11 C001 180.p C011 180.p C022 180.p C009 180.2V DNP 3 VR005 N/U VSIM DNP DNP CLOCK R019 75 DNP C044 100.p C026 180.775V P15-35 35 MAIN TO KEYPAD 40 pin connector C016 180.p C015 180. 775V VREF1_2.3V VTS_2.3V V3_2.3V VTS_2.775V V4_2.775V V3_2.775V 5V_RF 5V_REF TP902 1 5V_RF 14 15 16 RAW_B+ DNP G2 RAW_B+ Ext_B+ from Charger S2 D1 D001 C033 180.K R009 33K HW_ID1 E010 BLM10B601SDP Data Thermistor 6 7 8 9 10 11 R004 2K R010 0 R012 1K DNP C035 33p C031 180p C032 180p DNP VR003 C036 33p 7.775V 1 V3_2.5V C037 180p C038 33p R027 470.8MHzCLK_IN 22 23 24 25 26 CHARGER_ID SPIB_CS2_GCAP3 SPIB_MISO SPIB_MOSI BATT_FDBK_AD HKSW_CTS ASEL2 DCD_MUTE BATT_FDBK_AD HKSW_CTS ASEL2_RI_SCK DCD_MUTE_FS 27 28 29 30 31 AUDIO / DC BLOCK SPIB_CLK VA_MIC Internal Speaker SPKR+ SPKR- AUDIO_IN ASEL1 ASEL0 EXTB+ AUDIO_IN ASEL1_DTR_SRDA ASEL0_DSR_STDA EXT_B+ OPT1 OPT2 AUDIO_OUT VA_EN RAW_B+ 1 1 SH007 Linear_Main_to_Keypad SH005 SIM1 Between SIM’s 32 33 34 35 36 37 38 TX_CODEC M002 M001 SH003 GCAP3 SH001 Switching Reg.K DNP C049 33p Batt_B+ Batt_Ground P1-1 1 TP907 12 13 3 GND 14 13 2 OUT 1 V4_2.MTH500 Detailed Service Manual . DCLK FSYNC TX RX INT_EAR+ INT_EAR-_PHF_EAR OPT1 OPT2 1 1 MUX_CNTL VA_SPKR AUDIO_OUT VA_EN SH004 REDCAP2 39 RX_CODEC PHF_MIC AUDIO_OUT_ON_OFF MOD 16.775V VREF1_2.21 .8MHz TP001 R008 39 RS232_TX RS232_RX RS232_RTS DNP TxD_USB+ RxD_USBUSB_PWR_RTS_IGN USB_VCC_SW BATT_FDBK TXD RXD USB_PWR USB_VCC_SW TxD_USB+ RxD_USBUSB_PWR_RTS_IGN USB_VCC_SW C050 270.775V VIBRATOR M005 17 TETRA_RF_PA_THRM GSM_RF_PA_THRM EXT_B+ BAT ON PHF_GND G1 S1 18 RED_LED VIB_VCC BATT_TERM_VCC BOTTOM CONNECTOR BLOCK 19 20 21 GRN_LED BacklightBATT_THRM HW_ID2 HW_ID1 HW_ID0 ADTRIG TX_DETECT GCAP3_VSEN1 WDI LV_DETECT 32KHz PHF_SENSE GCAP3_INTERRUPT STANDBY INT_MIC+ INT_MIC16.p AD6_WARP 1 BATT_FDBK SWB+_EN CE_ON_OFF 40 41 42 43 44 45 46 47 AUDIO_SENSE BATT_FDBK SWB+_EN CE_ON_OFF TP002 GND_EDGE_1 GND 1 TP003 GND_EDGE_2 GND 1 TP004 GND_EDGE_3 GND 1 TP005 GND_EDGE_4 GND 1 AUDIO_SENSE 79B02964C09-O SHEET 6 OF 9 68P02963C70-O 6 .7K R014 10.775V TP905 E009 FM60R IN TP906 1 V4_2.MTH500 Main Digital Block (Sheet 2 of 2) MTH500 Main Digital Block (Sheet 2 of 2) 1 2 HW_ID = 301 for Freda R1 3 VTS_2.p M006 Q002 D2 VREF1_2.775V 1 V3_2.775V GND 3 4 5 R001 22K HW_ID0 2 DNP OUT E008 FM60R IN 1 BATTERY CONTACTS P1-3 3 P1-2 2 P1-4 4 R013 R011 33K HW_ID2 4.K C048 1n DNP R025 1. K SPIB_CS2_GCAP3 SPIB_MOSI SPIB_MISO V3_2.047u R645 R615 TX PEAK SLUMP DETECTOR HW_ID0 ADTRIG DCLK 16.2K C626 4.7u Dual band V1_2.p 1 C643 100.2K WDI GCAP3_VSEN1 WDI VSEN1 2 C650 100.K RED_LED MOD HW_ID1 HW_ID2 TETRA_RF_PA_THRM GSM_RF_PA_THRM TP605 U600 GCAP3 P2.n C653 4.M D2B VR601 7.K INT_MIC+ C631 1.3V C639 100.775V VIB_VCC BATT_TERM_VCC BATT_FDBK USB_VCC_SW 1 2 G12 G13 G14 K13 N12 B14 K12 D12 A13 B13 C14 C12 B11 H12 E13 J10 J11 M8 M7 M9 D7 A3 B9 N9 P6 P9 P7 TP600 TP601 P8 L9 K8 AD8 AD7 BATT_FDBK MOBPORTB WDI VSIN USB_VCCR DWN_IN DWN_OUT MUX_CTL MUX_CTL DSC_PWR BATTERY ISENSE XTAL2 XTAL1 VSEN1 VIN3 VIN2 TXENB SPI_VCC DSC_SPLY REF1_VCCB REF1 R620 39.24 2 NEG D1A POS D1B D2A MAIN L601 CR602 15u MBRM120L C623 BAT NEG C641 100.n C638 18pF FREQ 32.775V ALRT_VCC ST_REF ST_COMP SR_VOUT SR_VIN SR_OUT J3 G1 H3 A8 D8 E7 C8 B8 G3 F2 F1 N1 M1 M2 L1 H2 G2 H1 J1 K2 B1 C1 D3 C3 K3 M11 E12 E11 F10 A2 B2 E2 D2 D1 C2 F12 G5 K1 J4 J2 E1 E4 F3 F4 3 R642 39.775V TP603 CE SPI_DW SPI_DR SPI_CLK SPIB_CLK 5V_RF R618 3.n FILT_B+ 31 32 33 34 35 36 37 38 R614 C632 1.2K PA_DRV USB_PWR 3.0u PWM1_5.K ON 22 23 24 25 26 27 R605 56.22 68P02963C70-O .SCHEMATIC DIAGRAMS .775V PWM1_5.775V VSIM1 R617 2.p Dual band C624 33uF CR603 CR601 NEG E600 BLM21P300S POS G2 MBRM120LT3 MBRM120L 68uF DNP C646 C640 100.8MHzCLK_IN TX RX FSYNC ON E5 C6 C5 B5 D5 J5 R651 1.7u C614 4.3V RS232_RX 6 7 8 9 10 11 12 GRN_LED R621 39.n C601 10u 2.u C651 180.3V 39 40 41 42 43 44 0.6 ALRT_REF ALRTIN ALRTOUT ALRTOUTP AUX_MICN AUX_MICP AUX_OUT EXT_MIC EXTOUT SIMI_O SIM_PD2 SIM_PD1 TERM4 MICINN MIC_OUT MIC_BIAS2 MIC_BIAS1 MB_CAP2 MB_CAP1 AGND11B 13 14 15 16 17 18 19 20 BATT_THRM CHARGER_ID AD6_WARP R643 1.6V 1 3 U601 LP2980 VIN ON_OFF* GND VOUT NC 5 4 V3_2.3K DNP DSC_EN DSC_INN DSC_INP DSC_EN_OUT RESETB INTERRUPT CMP_OUT MFET_LOW REF1_VCCA REF1 AGND11A PGM2 PGM1 PGM0 PGA_INR2 PGA_INR PGA_INL2 REF1A REF1_VCC PGA_INL PA_SENSE 28 29 30 LV_DETECT GCAP3_INTERRUPT TX_DETECT Backlight- N14 INTERRUPT A5 D11 C656 100n DNP LS1_OUT BL_SINK CD_CAP AGND10 LS2_OUT BG_BYP THGND1 THGND2 THGND3 THGND4 THGND5 THGND6 THGND7 RTC_GN AGND1 AGND2 AGND3 AGND4 VSIM1 REF2 V4 V3 P5 K10 L10 F11 M13 H5 G11 K9 H11 H10 D9 P1 L8 F5 L6 K14 K11 C11 H14 E14 M6 N5 B7 H4 A4 B6 J14 H13 N8 P10 P11 M10 N10 N11 P12 N13 R613 1.7u PHF_MIC R609 R647 A11 P14 P13 B3 M3 G4 J12 A9 E8 E3 E6 P2 4.u R606 2.6 VOLTS L600 4.K 75.MTH500 Audio & DC Block (Sheet 1 of 2) MTH500 Audio & DC Block (Sheet 1 of 2) EXT_B+ MOBPORTB PWM Filter Q600 FUSED_B+ F600 3.K RS232_TX TxD_USB+ USB_PWR_RTS_IGN RxD_USB- C10 E9 F13 C9 D10 B10 E10 F14 A10 D14 G10 N3 N4 M4 L4 P3 M5 L5 K5 P4 M14 DCLK CLK_IN TX RX FSYNC 4 VP VM SR_IN SR_EXT SPKR_OUT2 SPKROUT1L SPKROUT1 SPKRN SPKRIN SPKRP SPKR_GND2 SPKR_GND1 5 RS232_RTS VTS_2.K R622 39.n 180.5 S2 R640 1K C600 100.u R630 1.8V L602 47.7UH 1 PWM2_1.775V C637 18pF C652 10.u R607 2.K 2.2K VTS_2.775V FILT_B+ C662 0.5A S1 POS C648 180.p C615 10u V4_DRV 5V_RF V3_2.n Y600 Dual band R616 10.0 only PHF_GND AUDIO_OUT_ON_OFF ON3 VA_MIC 6 .7u C627 4.K D6 K4 D601 L14 L11 L13 L12 A14 A12 B12 C13 TP604 21 56.5K V4_2.K R646 56.K R650 39.2K 2.768K 2 FILT_B+ V3_2.n C642 100.K C7 STANDBY PHF_SENSE TXENB AD7 STANDBY 32KHz C4 D4 L3 L2 32KHZ STANDBY A1_INT A1L_IN A1L_OUT DIN USB_POS USB_PWR USB_NEG USB_VP XRXD USB_VM USB_VCC SE0_IN LEDG LEDR MOD TSX1 TSX2 TSY1 TSY2 AD4 AD5 AD6 AD9 ADTRIG DCLK CLK_IN TX RX FSYNC ON ON2 ON3 CE SPI_DW SPI_DR SPI_CLK AD8 THERMBIAS CHARGE VIB_VCC VIB_OUT V4DRV PSRC1 BPLUS MAIN_FET REF3_VCC REF2_VCC PSRC2 UVSEL VIN1 VAG REF1B FB1 LX1 FB2 LX2 NC D13 J13 N7 N6 K7 A6 A7 N2 B4 K6 L7 32kHz ON\ M12 V2_2.7u V2 V1 C649 REF3 PGND INT_MIC- LS3_RX LS3_TX LS2_IN PA_ON1 TS_BYP CHRGC AGND5 AGND6 AGND7 AGND8 LICELL DGND1 DGND2 DGND3 DGND4 AGND9 LS1_IN C630 1.6V NEG POS CR600 CHARGE R600 G1 FILT_B+ 0. For P2.3V VTS_2. RAM.1.u R610 22K R611 6.6Vdc (GCAP3 switching regulator #2 .7u PGM1 = 0 PGM2 = 1 28 29 30 C611 10.0V for QVCCM VSIM1 - SW_B+ MUX_CNTL Battery Voltage for CE bus with the Current limit function Bias current for the A/D inputs NU VTS_2. C629 4.Audio Digital section . ODCT.5.MTH500 Audio & DC Block (Sheet 2 of 2) MTH500 Audio & DC Block (Sheet 2 of 2) DC Power Supply Distribution RAW_B+ FILT_B+ V1_2.7u C657 4.7u C661 4.23 .p C617 180.3n R631 100 C621 C634 1.775V R649 100 Q602 V2_2.BOOST) to the input of DSC regulator (5.2K 33K BLM11B601S INT_EAR-_PHF_EAR VREF2_2.875Vdc(GCAP3 switching regulator #1 .775V V3_2.775V V2_2.Redcap.p 75K C602 10n C618 180.p C619 180.7u 4.n C654 4.775V 1n 5 6 7 8 9 10 11 12 R629 6.RF PA.7u C660 4. TX Pre-drivers.775V 3 1 2 C616 3 C608 100.775V 13 14 15 16 17 18 19 20 21 C622 R602 390. R628 0.3V VIB_VCC TP connected to Redcap MUX_CNTL pin 1 2 V4_DRV FILT_B+ FILT_B+ V4_2.BUCK) to REDCAP core External LP2980 regulator 3.p C620 180. Display WPIC.u C613 4.0Vdc to WPIC Charge Pump .p 75K C606 100. DNP 31 32 33 34 35 36 37 38 39 40 41 42 43 44 68P02963C70-O 6 . ODCT Up-mixer .u R608 22K R612 33K E601 R601 C633 1.MTH500 Detailed Service Manual .p E603 BLM11B601S R648 SPKRVREF1_2.775V 5V_RF PWM2_5.p Dual band 10. VSIM1 .2K E602 BLM11B601S C612 INT_EAR+ 4..u R626 0.5.n C635 1.7u V3_2.7u C659 4.7K C609 DNP C658 4.n C647 180. LVFracN.n C605 100.p BLM11B601S SPKR+ 2.RAW_B+ thru ferrite bead with bypass caps .7u C655 10n FILT_B+ VA_SPKR C628 1.n R632 100 C603 1n C610 C625 C663 100u C644 100.775V E604 R603 75K 390.3. R627 0..u C607 100.u 4 3.7u C664 C636 R604 22 23 24 25 26 27 390.n R623 0.775V VREF2_2.0Vdc) to the WPIC Charge Pump .6V PWM1_1.u VSIM C604 100.Vibrator .775V R625 0. RF TCXO Leds and Backlight .775V V4_2. .8V TP602 .6V nominal . DNP PGM0 = 1 V1_2. DNP 79B02964C09-O SHEET 8 OF 9 R624 0.7u 10. Flash.775V VREF1_2. 8_MHz_CLK V3_2.8V_FLTR 2 J4 3 L5 4 K6 I 32KHz_CLK I 16.Option_Select_2 AUDIO_IN INTERRUPT OPT_SEL_1 INPUTS OPT_SEL_2 LV_DETECT R405 22.n C415 10uF SYMBOL PIN NAME CTS RTS RX TX 8-Wire RS232 4-Wire RS232 ESSI JTAG D6 E1 U403 A4 E1 F5 28F320C3 4 OE 12 H1 13 H2 14 H3 15 E5 16 G3 17 G4 18 F4 19 F1 F13 G13 G14 G15 CTS RTS RX TX CTS RTS RX TX MCU_DE RESET_IN TDI TDO VCC1 A2 1 3 2 6 G5 EB1 EB0 CS2_ VCC2 O RS232_CTS I RS232_RTS I RS232_RX VPP VCC C425 C401 10n 100.Option_Select_1 INT5 .Option_Select_1 INT5 .24 68P02963C70-O .n R417 6.n 6 H6 7 G6 8 H5 47.775V_FLTR 10n 9 G5 10 F5 11 H4 F16 C422 10.8K TCXO_WARP BAT_DATA DISPLAY RS O I O TCXO_WARP TP414 TP405 Option_Select_1 Option_Select_2 INT7_DTR_SCLK_SRDA_TMS ROW2 ROW3 ROW4 ROW5_IC2B CS3 DISPLAY_RS 15 G2 H6 19 20 21 INT6_DSR_STDA_TRST PTT NU VSS2 VSS1 VSS3 NU CS2 SRAM EMU AND DEBUG CS4 NU CS5 NU MOD NU PSTAT2 PSTAT0 PSTAT1 PSTAT3 SIZ0 SIZ1 INTERRUPTS INT0 INT1 INT2 INT3 INT4 INT5 R13 RESET_IN XYD10 XYD11 XYD12 XYD13 XYD14 XYD15 XYD0 XYD1 XYD2 XYD3 XYD4 XYD5 XYD6 XYD7 XYD8 XYD9 RESET_OUT STO P13 T13 D1 E6 E3 GND1 GND2 EB0 EB1 RW E8 F1 OE D15 R7 T7 P8 R8 T8 N8 L10 M10 M11 N9 R9 M5 M6 M9 F14 E13 E15 D14 M13 F15 N16 N15 N14 M15 M16 P2 R2 P1 N3 N2 R1 R12 M2 M1 K1 M14 J3 L14 P9 T9 BAT_DATA DISPLAY_RS 1 2 3 4 MEM_CNTL(6:1) RESET_OUT 5 6 RESET_OUT RESET_OUT RESET_OUT TX_DETECT Connect to GCAP3 WDI Pin O I O I RESET_OUT TX_DETECT SOFT_TURN_OFF AUDIO_SENSE PTT GCAP3_INT I I I I I INT0 .GCAPIII INT INT4 .PTT INT1 .775V_FLTR 5 J6 CLOCK AND PLL CKO PCAP PVCC PGND P1GND 6.SCHEMATIC DIAGRAMS .5V-2.8 MHz Input C423 TP403 LAYER1 TIMER 32.8n U405 R407 Gen Port Ctrl Reg (GPCR) GPCR = xxxxxxxx x00xxx00 MUX_CTRL=0 Gen Port Ctrl Reg (GPCR) GPCR = xxxxxxxx x11xxx11 GPCR (Bit7)=0 GPCR (Bit7)=1 SB9600 ESSI BUSY_OUT BUSY_IN (IC2) RX TX MUX_CTRL=1 C412 100.768 kHz Input 16. C426 TP413 V3_2.768 kHz Input 16.GCAPIII INT INT4 .n EN_WE LB UB CS1 CS2 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 D7 F8 B3 B4 A5 4 3 EN_CE EN_OE EN_WE EN_RP EN_WP A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 VCCQ EN_OE 5 UART-A UART-B A1 B2 B5 A6 A3 A4 A5 B3 B4 C3 C4 D4 H2 H3 H4 H5 G3 G4 F3 F4 E4 D3 H1 TXA_TDO L12 CTSB RTSB RXB TXB K12 J12 K11 Internal Pulldown O RS232_TX I MUX_CTRL TP412 TP411 TP407 TP408 ROW7 ROW6 O O O O O INT7 INT6 RI DCD DTR DSR SCKA SC2A SRDA STDA SCKA SC2A SRDA STDA TCK DSP_DE TMS TRST NOTE: RESETS FROM THE BOTTOM CONNECTOR WILL ONLY BE POSSIBLE IF CS2#-SRAM U402 1 D8 C8 B8 C7 A8 B7 C6 A7 A3 C3 B2 A2 C2 A1 B1 C1 D1 B6 B5 A6 C5 1 2 3 4 5 6 7 8 9 K6F8016U6A DO D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 NC1 NC2 B6 C5 C6 D5 E5 F5 F6 G6 B1 C1 0 1 2 3 4 5 6 7 8 9 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 DQ0 E7 F7 D5 E5 F4 D3 E3 F2 D6 E6 0 1 2 3 4 5 6 7 8 9 0 20 F2 MUX_CTRL =1 AND THE 8-WIRE INTERFACE IS THUS SET TO JTAG MODE 21 F3 T1 T2 T3 R3 P3 T4 R4 P4 P5 N5 P6 R6 T6 N6 N7 P7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 FLASH 2 Meg x16 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 NC1 J13 J16 N13 R14 R15 T14 R16 P16 P15 P14 L15 K13 K14 K15 J14 J15 O O O I RS232_RI RS232_DCD RS232_DTR RS232_DSR EIM ROW6_DCD_SC2A_DSP_DE COLUMN0 COLUMN1 COLUMN2 COLUMN3 KP_COL0 KP_COL1 KP_COL2 KP_COL3 KP_COL4 KEYPAD COLUMN4 COLUMN5 COLUMN6_OC1 COLUMN7 ROW0 ROW1 Samsung 512k x16 10 11 12 13 14 15 16 17 18 19 F6 10 D4 11 E4 12 F3 13 D2 14 E2 15 C4 C2 10 D2 11 E2 12 F2 13 F1 14 G1 15 KEYPAD I I I I I KP_ROW0 KP_ROW1 KP_ROW2 KP_ROW3 KP_ROW4 C430 100.MTH500 REDCAP 2 Block (Sheet 1 of 2) MTH500 REDCAP 2 Block (Sheet 1 of 2) SIM_CARD 1 SIM_POWER SIM_RESET SIM_DATA SIM_CLOCK I/O SIM_BUS(5:1) 2 3 5 G11 H14 H11 TP401 1 O O MCU_DE R401 0 RESET_OUT O 2 1 T11 C12 5 G16 4 N12 H13 G12 H12 N11 F12 P12 T12 3 B3 B2 A3 B5 C4 B4 A2 A1 C2 C3 A4 D4 D1 D2 D3 E1 E3 XYA2 XYA3 XYA4 XYA5 XYSEL XYA7 XYA8 XYA9 XYA12 XYA13 XYA14 MCU_DE XZYRW SENSE SIMDATA SIMRESET DSP_DE DSP_IRQ PWR_EN XYA10 XYA11 XYA15 TCK TDI TDO XYA0 XYA1 TMS TRST TEST GCAP3_RX GCAP3_TX GCAP3_DCLK GCAP3 GCAP3_FSYNC I I I O DSP_STD goes to GCAPIII_RX DSP_SRD goes to GCAPIII_TX GCAP3 Audio Serial Port Clock TP409 TP410 GCAP3 Audio Serial Port Frame Sync D16 D13 C15 B16 A16 A15 STDA SRDA SCKA SC0A SC1A SC2A SIMCLK XYST XYA6 E2 E4 A14 STDB SRDB SCKB SC0B B14 C13 B13 A13 C14 A12 B12 WPIC Serial Port STD Pin 83 WPIC Serial Port SRD Pin 77 WPIC Serial Port CLK Pin 25 AUDIO O I I WPIC_STD WPIC_SRD WPIC_TXCLK JTAG AND TEST SMART CARD BASEBAND CODEC PORT SC1B SC2B SCKB2 SRDB2 CODEC WPIC Serial Port Frame Sync Pin 24 WPIC I WPIC_FSYNC SPIA_MISO SPIA_MOSI SPIA_CLK B9 I O O O WPIC C9 A9 D9 E11 ODCT SYNT SWB+_EN E10 E9 F7 MISOA MOSIA SPI_CKA SPICS0A SPICS1A SPICS2A SPICS3A SPICS4A TOUT0 TOUT1 A5 C5 D5 C6 B6 A6 D6 D7 C7 B7 B8 A8 D8 E6 E7 E8 O O O O O O LO_Driver_En LO_Mixer_En WPIC_TXE PA_Bias GCAP3_AD_TRIGGER ANT_EN SPIA SPIA_CS0_WPIC SPIA_CS2_ODCT SYNT_CS_ O O QSPI-A TOUT2 TOUT3 TOUT4 TOUT5 TOUT6 SPIB_MISO SPIB_MOSI C11 I O D12 D11 D10 C10 MISOB MOSIB SPI_CKB SPICS0B SPICS1B SPICS2B SPICS3B SPICS4B 30C40 U401 LAYER1 TIMER TOUT7 TOUT8 TOUT9 TOUT10 TOUT11 O O O O O TETRA_MAIN_VCO_ON VA_EN WPIC_OSC_EN GCAP3_STANDBY RX_ACQ SPIB SPIB_CLK SPIB_CS1_DISPLAY SPIB_CS2_GCAP3 O O O VIBR_EN B10 A10 E12 QSPI-B REDCAP2 17x17mm BGA TOUT12 TOUT13 TOUT14 TOUT15 HST_DATA(0:15) HST_Addr(0:21) 0 J2 1 J1 V3_2.K MOD I MOD SWB+ Voltage enable for the CE bus O SWB+_EN O 1 VIBR_EN TP402 6 .PTT INT1 .Option_Select_2 RESET_2.775V_FLTR ADDR0 ADDR1 ADDR2 ADDR3 ADDR4 ADDR5 ADDR6 ADDR7 ADDR8 ADDR9 ADDR10 ADDR11 ADDR12 ADDR13 ADDR14 ADDR15 ADDR16 ADDR17 ADDR18 ADDR19 ADDR20 ADDR21 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 ON/OFF from GCAP3 D10 Unused GPO Unused GPO Unused GPO Unused GPO Unused GPO Unused GPO D11 CS1 RADIO SOFT TURN OFF D12 D13 D14 D15 CS0 FLASH ROW7_RI_SCKA_TCK CTSA_MCU_DE RTSA_IC2A_RESET_IN RXA_IC1_TDI MUX_CTL CKIL CKIH CKOH K2 K4 L2 M3 R10 T10 P10 N10 1 32.8 MHz Input PWM2_1.7V Low_Voltage_Dector (Connect to GCAP3 RESETB Pin) INT0 . n Bottom. DATA.01uF C404 100.25 .n C419 .n C405 100.775V (from GCAP3 V3) C428 100n PWM2_1.STO DSP DATA visibilty C417 . Flash. NC NC13 NC14 NC15 NC16 NC17 NC18 NC19 NC9 J7 NC10 J8 NC11 68P02963C70-O 6 .MTH500 REDCAP 2 Block (Sheet 2 of 2) MTH500 REDCAP 2 Block (Sheet 2 of 2) V3_2.n C408 100. GPIO.n C418 .775V_FLTR E400 PWM2 PWM2_1.8V_FLTR C429 100n E401 C413 180p C421 1.MTH500 Detailed Service Manual .n C403 10. VSIM1 = 3V for the SIM port and QVCCH VSIM1 C427 VSIM1 100n 79B02964C09-O SHEET 7 OF 9 C424 100n C409 100. JTAG. ADDR/Data Bus.775V V3 Bypass Caps for REDCAP V3_2.n C410 10.01uF C402 100.u PWM2_1.8V C414 180p C420 1.8V = 1. DEBUG.875V (Redcap Core.775V = 2.u VCC TRUTH TABLE V3_2. GND.u C416 10. SRAM.01uF C407 Clock Output Driver Audio Codec Port DSP Address visibilty Core Voltage Convertors C406 100.n QSPI & L1T & BBP 100.n Address Bus Bus Control GVDD2 M12 GVDD3 T16 FVDD M4 GVDD1 H16 HVDD1 B11 HVDD2 C8 BVDD R11 CVDD N1 DVDD R5 EVDD B15 KVDD E16 EMUL port SIM CARD Data Bus QVCC2 L4 QVCC3 L13 QVCC4 M7 QVCCH1 F9 QVCCH2 J11 Internal Core QVCCH3 M8 QVCCH4 K3 AVDD1 G1 AVDD2 J5 LVDD B1 MVDD L8 QVCC1 F8 NC12 F6 F11 G7 G8 G9 G10 H7 H8 H9 H10 NC0 NC1 NC2 NC3 NC4 NC5 NC6 NC7 NC8 G2 AGND1 K5 AGND2 P11 BGND N4 CGND T5 DGND C16 EGND L3 FGND H15 GGND1 K16 GGND2 T15 GGND3 A7 HGND1 A11 HGND2 E14 KGND C1 LGND L9 MGND F10 QGND1 L1 QGND2 L7 QGND3 L16 QGND4 J9 J10 K7 K8 K9 K10 L6 L11 U401 PWR_GND_NC REDCAP2 PWR. 5 J10-1 100.SCHEMATIC DIAGRAMS .p VR102 7.6V VR107 16 6 4 1 2 R118 1K AUDIO_SENSE 0402 C102 0603 0.775V C107 180.n R119 22K U104 CURRENT_SWIT RAW_B+ SWB+_EN U100 MC33645 1 3 2 V3_2.n 100K C106 180.p C119 180.n R110 1K V3_2. AUDIO_OUT GND2 6 100.K R113 47.p R109 47.5V U105 EZAST31 R4 VR106 7.6V 5 to GND 1 GND1 C104 R108 100.p CE_BUS CONNECTOR C101 10.775V V3_2.775V C121 USB_VCC_SW 5 4 1 3 NC E102 VIN ENABLE VOUT NC 6 4 BLM11P300S GND1 GND2 N/U R121 C122 100.p VR104 5.775V V3_2. Q100 SI3443DV R101 R111 10.MTH500 Accessory Connector Block MTH500 Accessory Connector Block GND Battery Feedback/Charger ID BATT_FDBK R107 D101 V3_2.p 10K VR101 5.K 180.p C113 180.p C111 5 2 33.p C115 180.775V DNP DNP DNP DNP 8 J10-9 9 C108 DNP C109 180.47u 6 .26 5 3 68P02963C70-O .5K TxD_USB+ RxD_USBASEL2_RI_SCK HKSW_CTS 47.6V J10-6 6 J10-11 R120 10K 11 J10-12 12 J10-13 13 J10-14 14 1 6 GND1 USB_PWR_RTS_IGN 7 8 9 10 GND2 DCD_MUTE_FS ASEL1_DTR_SRDA ASEL0_DSR_STDA R4 R3 R2 R1 C4 C3 C2 C1 MUTE/FS/DCD 5 4 3 2 USB POWER/IGNITION/RTS AUD_SEL1/SRDA/DTR AUD_SEL0/STDA/DSR J10-15 15 J10-16 16 J10-17 17 U106 FLTR_EZAST33A 1 3 4 DNP DNP DNP DNP 6 C112 180.p C117 180.n DNP 1 J10-2 2 J10-3 3 2 OVER VOLTAGE PROTECTION R106 1.p C110 180.p C114 180.p 100.n OPT1 OPT2 7 8 9 10 R4 R3 R2 R1 C4 C3 C2 C1 5 4 3 2 OPTION 1 OPTION 2 AUDIO OUT/RADIO ON/OFF AUDIO IN AUDIO_GND 79B02964C09-O SHEET 9 OF 9 CE_ON_OFF C103 100.p J10-18 18 J10-19 19 J10-20 20 2 VR105 5.K C120 BATT_FDBK_AD 100n E101 EXT_B+ BLM21P300S N/U External Power 39K V3_2.775V SWB+ FOR CE Bus C105 180.K GND1 6 R105 5 C4 7 8 9 10 5 C3 USB+(TXD/TDO) R3 R2 R1 J10-4 4 J10-5 5 700 mA Switched B+ Supply 4 C2 USB-(RXD/TDI) AUD_SEL2/SCK/RI HOOK SWITCH/CTS 3 C1 J10-10 10 J10-7 2 7 1 GND2 1 3 6 4 J10-8 V3_2.K C116 180.775V U107 FLTR_EZAST33A AUDIO_IN R104 VA_EN R103 270.p C118 180. 27 .7µF 4. 10µF 180pF 1nF 390pF Tant.1pF 68P02963C70-O 6 .2pF 10nF 4.7µF 10µF 4. the part number should be included. 33µF Tant 100µF 4.1pF 1.7µF 1µF 390pF 18pF 100nF 100nF 180pF 4. 10µF 4.7µF 1µF 4. call Motorola Parts Identification.MTH500 (FLF9011A) Component Parts (for reference only) MTH500 (FLF9011A) Component Parts (for reference only) When ordering component parts.8pF 68pF 470pF 270pF 18pF 33pF 4.6pF 100pF 1. 68µF Tant.8pF 3.047µF 3. 10µF 10nF 1µF 10nF 6.47µF 100nF 180pF 180pF 100nF 100nF 270pF 270pF 270pF Ref # C401-402 C403 C404-409 C410 C412 C413-414 C415-416 C417-419 C420-421 C422 C423 C424 C425-426 C427-429 C430 C500 C501-502 C503 C504 C505 C507 C508 C510 C512 C513 C514 C515-516 C518-519 C521 C522 C524 C525 Part # 2113743M24 2113743L41 2113743M24 2113743L41 2113743M24 2113740F57 2311049A59 2113743L41 2113928P04 2113741F49 2113741F45 2113743M24 2113743L41 2113743M24 2113928n01 2113743L03 2113928n01 2113743L41 2113928n01 2113743L17 2113743L17 2113928n01 2113743L03 2113743L03 2113743L17 2113743L03 2113928n01 2113928n01 2113743n15 2113743N50 2113743Q08 2113743n28 Description 100nF 10nF 100nF 10nF 100nF 180pF Tant.7µF 0.3nF 390pF Ref # C701-703 C704 C800 C802 C805 C808 C809 C811-812 C814-816 C817 C819-821 C822-823 C824 C827-830 C831 C832 C833 C834 C835 C837 C838 C839 C840 C841 C842 C843 C844-845 C846 C847 C848 Part # 2360567A06 2311049G32 2113740F49 2113743L03 2113743L03 2113740F57 2113743L03 2113743L03 2113743L03 2113740F57 2113743L03 2113741F25 2113743L03 2113743L03 2113743N69 2113743N46 2113743L09 2113743L03 2113743N32 2113740F39 2113743N18 2113740F47 2113740F30 2113740F47 2113743N34 2113743N30 2113743N28 2113743N26 2113743N24 2113743N25 Description 100µF 10µF 82pF 270pF 270pF 180pF 270pF 270pF 270pF 180pF 270pF 1nF 270pF 270pF 1.8pF 10nF 10nF 100nF 22pF 1.7µF 10nF 4.MTH500 Detailed Service Manual .3nF 5.7pF 68pF 18pF 68pF 22pF 15pF 12pF 10pF 8. CAPACITORS Ref # C001 C002 C003 C004 C005 C006 C007 C008 C009 C010 C011 C012 C013 C014 C015 C016 C017 C031 C032 C037 C038 C049 C101 C102 C103-104 C107 C116-119 C120-121 C122 C200 C203 C205 Part # 2113743p01 2113740F39 2113740F39 2113743p01 2113743p01 2113743p01 2113743p01 2113743p01 2113743p01 2113743p01 2113743p01 2113743p01 2113743p01 2113743p01 2113743p01 2113743p01 2113743p01 2113743p01 2113743p01 2113743p01 2113743N38 2113743N38 2113743L41 2113928A02 2113928n01 2113743p01 2113743p01 2113743M24 2113928s04 2113743L03 2113743L03 2113743L03 Description 180pF 33pF 33pF 180pF 180pF 180pF 180pF 180pF 180pF 180pF 180pF 180pF 180pF 180pF 180pF 180pF 180pF 180pF 180pF 180pF 33pF 33pF 10nF 0.8nF 100nF 10nF 100nF 100nF 270pF 100nF 10nF 100nF 1nF 1nF 100nF 270pF 270pF 1nF 270pF 100nF 100nF 3.8pF 12pF Ref # C526-527 C528 C530 C531 C532 C533 C534 C535 C536 C539 C542 C545 C546 C547 C549 C550-552 C553 C554 C555 C557 C560-561 C572-573 C574 C576 C577 C580 C590 C600 C601 C602 C603 C604-607 Part # 2113743n26 2113743n24 2113743L41 2113741F41 2113743n22 2113928U08 2113743L41 2113928n01 2113743n34 2113743Q08 2113743L29 2113743n19 2113743Q07 2113928n01 2113928n01 2113743l17 2113928N01 2113743E12 2113928n01 2113743E03 2311049A59 2113928n01 2113743L03 2113743L03 2113743L41 2113743l17 2113743L03 2113743M24 2113928D08 2113743L41 2113743l17 2113928n01 Description 10pF 8. If the correct numbers cannot be located.7nF 6.7µF 10µF Tant.7µF 100nF 180pF Tant.5pF 100nF 100nF 1nF 100nF 47nF 100nF 15nF Tant. 10µF 100nF 270pF 270pF 10nF 1nF 270pF 100nF 10µF 10nF 1nF 100nF Ref # C608 C609 C610-611 C612-614 C615 C616 C617-620 C621 C622 C623 C624 C625 C626-627 C628 C629 C630-635 C636 C637-638 C639-643 C644 C646-648 C649 C650 C651 C652 C653 C654 C655 C657-661 C662 C663 C664 Part # 2113743M24 2113928C04 2113928k09 2113928C04 2113928D08 2311049A72 2113743p01 2113743L17 2113743L07 2311049C16 2311049C15 2311049C14 2113928C04 2113928P04 2113928C04 2113928P04 2113743L07 2113743N32 2113743M24 2113928n01 2113740F57 2113928C04 2113743M24 2113740F57 2311049G32 2311049C18 2113928C04 2113743L41 2113928C04 2113928S02 2113743L29 2113743L07 Description 100nF 4.2pF 9. 6pF 39pF 100nF 270pF 1µF 100nF 56pF 13pF 7.6pF 2pF 8.2pF 10pF 15pF 5.5pF 22nF 20pF 1nF 270pF 1nF 1nF C984 C1004 C1009 C1010 C1011 C1012 C1014 C1015 C1016 C1020 C1021 C1022 C1023-24 C1028 C1029 C1030 C1031-1032 C1045 C1046 C1048 C1050 2113743L37 2113928n01 2113743L37 2113743N22 2113740F17 2113740L05 2113743L03 2113743N20 2113743N40 2113928n01 2113743L03 2113928P04 2113743K15 2186113u01 2113740F30 2113740F24 2113743L03 2113743L07 2113928W09 2113743L03 2113743L03 470pF 100nF 6.8pF 8.8nF 1nF 270pF 2.8nf 4.5A 16V BEADS Ref # E001 E002 E003 E004 E005 E006 Part # 2409134j04 7686949j02 7686949j02 7686949j02 7686949j02 7686949j02 Description blm11b601s blm10b601sdp blm10b601sdp blm10b601sdp blm10b601sdp blm10b601sdp 6 .2pF 100pF 6.SCHEMATIC DIAGRAMS .8nF 12pF 1nF 270pF 22000pF 4.MTH500 (FLF9011A) Component Parts (for reference only) CAPACITORS Ref # Part # Description Ref # Part # Description Ref # Part # Description Ref # Part # Description Ref # Part # Description C849 C850 C851 C852 C853-857 C859 C860 C861-862 C863-864 C865 C866 C867 C869 C873 C874-875 C877-878 C879 C880 C881-882 C883 C886 C887 C888 C890 C891 C894 C895 C897 C898-899 C901-902 C903 C904 C905-906 2113743N11 2113743N17 2113743N13 2113740F21 2113743L17 2113743L07 0804533C48 2113743E05 2113741F45 2113743L17 2113743L03 2113740F35 2113928N01 2113743L17 2113928n01 2113743cL37 2113741F49 2113741f45 2113741F41 2113928n01 2113740F41 2113743N46 2113743L03 2113743N40 2113743L03 2113740F51 2113743L29 2113743N38 2113743L03 2113928n01 0804533C50 2113743L03 2113743N50 2.3pF 3pF 1pF 1nF 390pF 22nF 18nF 6.4pF 4.1pF 100pF 5.7nF 100nF 38pF 68pF 270pF 39pF 270pF 100pF 3.3pF 3.28 68P02963C70-O .1pF 15pF 5.2pF 3.5pF 270pF 390pF 47µF 270pF 270pF E007 E008 E009 E010 E101 E102 E201 E203 E400-401 E500-501 E600 E601-604 E800 E801 2409134j04 9108445S04 9108445S04 7686949J02 2480675U01 7686949J08 2480675U01 2480675U01 2480067M02 7686949J02 2480675U01 2409134J04 7686949J02 9108445S04 2409134J04 2409134J04 7686949j02 2409134j04 7686949j02 7686949j02 blm11b601s fm60r fm60r blm10b601sdp idctr idctr idctr idctr blm21a121s blm10b601sdp idctr blm11b601s blm10b601sdp fm60r blm11b601s blm11b601s blm10b601sdp blm11b601s blm10b601sdp blm10b601sdp DIODES Ref # CR600-603 D001 D101 D500 D601 D800 D801 D902 D907 E803 Part # 4813833a19 4808032h08 4809948D42 4808115L17 4809948D42 4804135k05 4885908A02 4809877c13 4805656W28 Description mbrm120L 1ss355 1ss367 tekelec 1ss367 1sv231 ma4p789 1sv305 BBY5802W E806 E807 E808-809 E810 E901 FUSES Ref # F600 Part # 6586221j04 Description 2.7nF 100nF 1nF 7.3nF 33pF 270pF 100nF 33nF 270pF 100pF C909-910 C915 C916 C919 C920 C921-922 C927 C929 C930 C931 C932 C933 C937 C938 C939 C940 C942 C946 C948 C951 C953 C954 C955 C957 C958 C959 C960 C961 C962 C966 C967 C968 C970-971 2113743N50 2113743N50 2113743L17 2113743n30 2113740F25 2113740F27 2113740F31 2113740F20 2113743N50 2113740F20 2113740F31 2113743n20 2104263L01 2113743n17 2113743N15 2113740L01 2113740F25 2113743N50 2113743L37 2113743n28 2113743L17 2113743L03 2113743L48 2113743L33 2104263L01 2113743L17 2113740F24 2113743L48 2113743N33 2113743L17 2113743L03 2113743L17 2113743L17 100pF 100pF 1nF 15pF 8.9pF 3pF 270pF 5.7nF 100nF 1nF 100nF 6800pF 10nF 6.6pF 100nF 4. 65mhz 390mhz 380mhz Ref # L530 L600 L601 L602 L800 L801 Part # 2409154M21 2408603y01 2486085A02 2486085A05 2409154M23 2409377M10 2413926g19 2413926g19 2413926g17 2409154M20 2409154M17 2409154M14 2413926m12 2413926g11 2409154M22 2409154M23 2409377M06 2487685L08 2409377M19 2460591C23 2486170u01 2409377M12 2409154M19 2409154M13 2486170u01 Description 47n 4.7uh 15u 47uh 68n 33n 100n 100n 68n 39n 22n 12n 8.85n 5.85n 390n 47n 33n 10n 390n Ref # L916 L917 L918-919 L920 L921 L922 L923 L926 L930 L931 L932 Part # 2413926g16 2413926g05 7686949j02 2460591C23 2486616u01 7686949j02 2485930822 2409154M17 2486170u01 2486185u01 2409154M20 Description 56n 6.7K res_10K res_22 res_22 res_1K res_39K res_270K res_10K res_47K res_100 res_47K res_1K res_10K res_47K CONNECTORS Ref # J10 J700 L803 Part # 0987636k05 0987984k02 Description conn_ce conn_va L805 L806 L807 L808 L809-810 L811-812 L813 CONTACTS Ref # M001 M002 M005 M006 M500 M501 P1 P15 Q900 Part # 3986389t01 3986389t01 3986535t01 3986535t01 3986916t01 3986917t01 0989368K01 2886925J04 Description contact_Spkr contact_Spkr contact_Vibrator contact_Vibrator contact_Ant_Hot contact_Ant_Gnd Connector J Connector P Q903-905 Q907 Q910 INDUCTORS Ref # L500 L501 L504 L505 L508 L512-513 L518 L519-520 L525 L815 Part # 2487685L08 2462587V42 2462587V42 2413926G17 2413926G16 2413926G08 2409154M19 2462587V38 2409154M17 Description 22n 470n 470n 68n 56n 12n 33n 220n 22n L816 L817 L818 L819 L890 L903 L905 L906 L907 L912-913 RESISTORS Ref # R001 R003 R004 R008 R010 Part # 0662057n07 0662057n01 0662057M81 0662057M40 0662057M01 Description res_22K res_12K res_2k res_39 res_0 68P02963C70-O 6 .8n blm10b601sdp 13.8n 22n 390n 1u 39n Ref # Q002 Q100 Q500 Q504 Q600 Q602 Q800 Q801 Q804 Q805 Q806-807 Q808 Part # 4809579E50 4809579E29 4805723X03 4805723X03 4885140c01 4805128M27 4805723X03 4805793y01 4805723X03 4805921t11 4805723X03 4809579E41 4805723X02 4805793y01 4805723X03 4805723X03 Description si1905dl si3443 umd3n umd3n fds6875 bsr33 umd3n ne68519 umd3n 21t11 umd3n ne38018 umt1 ne68519 umd3n umd3n Ref # R011 R012 R013 R014 R015 R016 R025 R101 R103 R104 R105 R107-108 R109 R110 R111 R113 Part # 0662057N11 0662057M24 0662057M90 0662057M98 0662057m34 0662057m34 0662057M74 0662057V17 0662057n33 0662057M98 0662057n15 0662057m50 0662057n15 0662057M74 0662057M98 0662057n15 Description 33K 1000K res_4.2n 22n 56n 68n 15n 22n 128n 13.MTH500 (FLF9011A) Component Parts (for reference only) FILTERS Ref # FL500 FL501 FL502 FL800 FL801 TRANSISTORS Part # 9180310L24 9186216J06 9185898A02 9180310L23 5804901K15 Description 390mhz 380mhz 109.6n blm10b601sdp 2.MTH500 Detailed Service Manual .29 . 2K res_820 res_3.2K res_2.7K res_2K res_270 res_39 res_22 therm_47K therm_47K Ref # U100 U104 U105 U106 U107 U401 U402 U403 U405 U500 U503 U504 U600 U601 U800 U801 Part # 5109731 C32 5109817 F45 9185759B02 9186133U02 9186133U02 5185130C40 5189509A43 5199420A01 2480067m02 5185368c01 5185127c02 5108428s91 5109879e83 5104667m01 5109944C20 5880334L02 4808115L16 5108428S43 9186395J02 5880334L06 5186226j12 5108683Y04 4885849B01 4885656W08 4885656B01 4805656W08 4805656W08 4885849B01 Description MC33645 current switch ezast31 FLTR_ezast33a FLTR_ezast33a redcap 30c40 SRAM 512k flash -2m blm21a121s rf2361 wpic27c02 mixer gcap-3 lp2980 linear mixer RF i/q splitter pin diode Lnodct 380MHz-BW coupler lmx2332 RF2175 49b01 mmqa5v6t1 49b01 MMQA5V6T1 MMQA5V6T1 49B01 R519 R520-521 R580 R600 R601 R602-604 R605 R606-607 R608 R609 R610 R611 R612 R613-614 R615 R617 R620-622 R623-625 R629 R630 R631-632 0662057M01 0662057N23 0662057M58 0680195M64 0662057n11 0662057v24 0662057V21 0662057m82 0662057N07 0662057m82 0662057N07 0662057m93 0662057n11 0662057m74 0662057V24 0662057m82 0662057n13 0662057M01 0662057m93 0662057m82 0662057M50 res_0 res_100K res_220 res_0.2K res_22K res_6.2K res_2.7K res_18 res_11K res_2.2K res_100 R806 R807 R808 R809 R810 R812 R814 R815 R816-817 R818 R819 R820 R821-824 R825 R826 R827 R828 R829 R832 R833 R834 SHIELDS Ref # SH001 SH003 SH004 SH005 SH007 SH500 SH800 SH802 SH900 SH901 U802 Part # 2686672t01 2686661t01 2686671t01 2686663t01 2686670t01 2686831t01 2686655t01 2686830t01 2686658t01 2686659t01 Description shield shield shield shield shield shield shield shield shield shield U803 U804 U806 U808 U809 VR003 VR101 VR102 VR104 VR105 VR106 V107 VR601 Y501 Y600 Y901 4813830C29 4813830A19 5102845C20 480995L05 4804122K12 mmsz5246bt1 mmbz5236b tcxo 16.6K res_4.30 68P02963C70-O .7K res_2.5K res_56K res_0 res_100 res_39K res_1K res_300 res_4.2K res_510 res_300 res_150 res_100 res_270 res_51 res_150 res_51 res_150 res_18 res_8.2K res_1.8 mhz xtal 32.2K res_560 res_1.1 res_100K Part # 0662057M74 0662057N07 0662057N23 0662057M01 0662057N07 0662057A17 0662057M94 0662057M74 0662057M38 0662057U94 0662057N23 Ref # R640 R642 R643 R645-646 R647 R649 R650 R651 R800 R801 R802-804 R805 Part # 0662057M74 0662057N13 0662057M78 0662057V21 0662057M01 0662057M50 0662057N13 0662057M74 0662057M61 0662057m90 0662057m82 0662057M68 0662057m76 0662057m67 0662057m61 0662057m54 0662057M50 0662057m60 0662057m43 0662057M54 0662057m43 0662057M54 0662057M32 0662057M24 0662057M32 0662057M40 0662057M43 0662057MV70 0662057V69 0662057M96 0662057M50 0662057M32 0662057M61 Description res_1K res_39K res_1.2K res_39K res_0 res_6.MTH500 (FLF9011A) Component Parts (for reference only) RESISTORS (Continued) Ref # R118 R119 R121 R401 R405 R407 R417 R500 R504 R512 R514-515 MISCELLANEOUS Description res_1K res_22K res_100K res_0 res_22K res_47 res_6.2K res_100 res_18 res_300 Ref # R835 R836 R838 R899 R901 R906 R907-908 R909 R911 R913 R914 R915 R916 R917 R918 R919 R921 R922 R923-924 R925 R927 R931 R932 R934 R936 R937 R939 R943 R944 R950 R953 R954 Part # 0662057M67 0662057M61 0662057m54 0662057N23 0662057n15 0662057M90 0662057M32 0662057M99 0662057M82 0662057M72 0662057M87 0662057M90 0662057m82 0662057M47 0662057m56 0662057M67 0662057m60 0662057m64 0662057m46 0662057m38 0662057m34 0662057M96 0662057M77 0662057M74 0662057M50 0662057m43 0662057M50 0662057M68 0662057M34 0662057M67 0662057M50 0662057M57 Description res_510 res_300 res_150 res_100K res_47K res_4.SCHEMATIC DIAGRAMS .2K res_33K res_1K res_75K res_2.2K res_2.3K res_1K res_100 res_51 res_100 res_560 res_22 res_510 res_100 res_200 Ref # R960 R961 R962-963 R964 R965 R966 R967 RT500 RT800 Part # 0662057M74 0662057M62 0662057M90 0662057M81 0662057M60 0662057M40 0662057M34 0686931j01 0686931j01 Description res_1K res_330 res_4.7K res_2.8K res_1K res_33 res_5.2K res_75 res_180 res_510 res_270 res_390 res_68 res_33 res_22 res_8.768 khz resonator 6 .2 res_18 res_39 res_51 res_301 res_215 res_8.24 res_33K res_75K res_56K res_2. MTH500 Flex CD MTH500 Flex CD J1-1 J1-2 J1-3 J1-4 J1-5 J1-6 J1-7 J1-8 J1-9 J1-10 J1-11 J1-12 J1-13 J1-14 J1-15 J1-16 J1-17 J1-18 J1-19 J1-20 J1-21 J1-22 J2-22 J2-21 J2-20 J2-19 J2-18 J2-17 J2-16 J2-15 J2-14 J2-13 J2-12 J2-11 J2-10 J2-9 J2-8 J2-7 J2-6 J2-5 J2-4 J2-3 J2-2 J2-1 to keypad to LCD 73B02964C06-O 68P02963C70-O 6 .31 .MTH500 Detailed Service Manual . SCHEMATIC DIAGRAMS .MTH500 Flex CD This page left blank intentionally 6 .32 68P02963C70-O . Level 3 Maintenance EMEA Region EMEA Radio Support Depots are level 3 service partners. Replacement Parts For complete information on ordering required parts and kits. Motorola European Radio Support Centre ERSC Phone: +49 6128 702618 Heinrich Hertz Strasse 1 D-65232 Taunusstein Germany ERSC Customer Information Desk available through the following service number: Austria: 06 60 75 41 Italy: Belgium: 08 00 72 471 Luxemburg: Denmark: 80 01 55 72 Netherlands: Finland: 08 00 11 49 10 Norway: France: 05 90 30 90 Portugal Germany: 01 30 18 75 24 Spain: Greece: 00 80 04 91 29 020 Sweden: UK: 08 00 96 90 95 Switzerland: Ireland 18 00 55 50 21 Iceland: or dial +49 6128 70 2618 Please use these numbers for repair enquires only.1 . Contact your local CGISS office for information. 16 78 77 387 08 00 23 27 60 22 45 13 80 01 11 15 05 05 49 35 90 09 84 902 02 07 94 307 1 55 30 82 80 08 147 68P02963C70-O A1 .Appendix 1 Replacement Parts and Kits REPLACEMENT PARTS AND KITS Damaged parts should be replaced with identical replacement parts. The depots are capable of performing repairs down to component level where retuning is required. contact your local customer service representative. motorola. go to Contact Us to request technical support Motorola Parts (Accessories and Aftermarket Division AAD): Attention: Order Processing 1313 E. Algonquin Road Schaumburg. and/or product information can be ordered directly. the part is serviceable by Motorola Depot only. Bosques de las Lomas CP 05120 Mexico DF 5252576700 Piece Parts: To order parts in Latin America and the Carribean: 7:00 A.Colombia (571) 376-6990 Motorola De Mexico Service Center Bosques de Alisos #125 Col. A1 . If no part number is assigned. IL.2 68P02963C70-O .M. this generally means that no user-serviceable parts are available for that kit or assembly. it is available from Motorola Radio After market and Accessory Division (AAD). If a parts list is not included. (Central Standard Time) Monday through Friday (Chicago. USA) 1-847-538-8023 Technical Support: https://businessonline. the part is not normally available from Motorola.Replacement Parts and Kits Latin America Region Latin America Radio Support Centers The Customer Support is available through the following service centers: Warranty and Repairs: Motorola De Colombia Service Center Carrera 7 No. to 7:00 P. If a complete Motorola part number is assigned to the part. spare parts.com. If the part number is appended with an asterisk. 71-52 Torre B piso 13 Oficina 1301 Bogota. 60196 Parts Identification: 1-847-538-0021 (Voice) 1-847-538-8194 (Fax) Some replacement parts.M. Replacement Parts and Kits Radio Replacement Parts List Part/Kit Number 0186163T07 0186163T08 0186630T01 0186396T04 0186396T05 8586381J03 0186613T01 0186613T02 0186239T01 0186239T02 7287702M01 FCN9090A FCN9797A (See Service Replacement Kit Matrix below) MTH500 Model Description Front Housing Assembly (Black) Front Housing Assembly (Blue) Keypad Assembly Back Housing Assembly (Black) Back Housing Assembly (Blue) Antenna 380-400 MHz (R1) Standard Battery Door Assembly (Black) Standard Battery Door Assembly (Blue) Extended Battery Door Assembly (Black) Extended Battery Door Assembly (Blue) LCD Module Keypad Kit LCD Kit Main Board (R1) 68P02963C70-O 3 . Blue (with battery door) Standard battery. LiIon. Black (with battery door) Standard battery. 1100mAh. LiIon.Replacement Parts and Kits Accessories Replacement Parts List Kit Number Batteries FTN6030A FTN6037A FTN6031A FTN6038A Chargers FLN9468A SPN4716B SYN7455A SYN7456A FLN9469A Vehicular Adapters FLN2850A FLN9569A Audio accessories WADN4184A FLN9470A FLN9568A Carrying Accessories FLN9476A FHN6246A Others FKN4897A Data cable Soft leather carry case Belt clip Headset with Boom mic and in line PTT Headset with Boom mic (On Hold) PHF Car Kit Stand alone car cradle Dual Pocket Desktop Charger Travel charger Plug Adapter UK for travel Charger Plug Adapter EU for travel Charger Vehicular battery charger Extended battery. LiIon. Black (with battery door) Extended battery. 800mAh. 1100mAh. 800mAh. LiIon. Blue (with battery door) MTH500 Model Description 4 68P02963C70-O . Replacement Parts and Kits Recommended Programming Equipment Name MTH500 CPS Data Cable Part Number PMVN4065B FKN4897A Service Replacement Kit Matrix (1) Sales Model Description MTH500 Black 380-400 MHz PT811F Service Tanapa FUF1208AS FUF1210AS FUF1211AS Description MTH500 Black S/T R1 CLEAR MTH500 Black S/T R1 TEA1 MTH500 Black S/T R1 TEA2 MTH500 Blue S/T R1 CLEAR MTH500 Blue S/T R1 TEA1 MTH500 Blue S/T R1 TEA2 MTH500 Blue 380-400 MHz PT811F FUF1209AS FUF1212AS FUF1213AS Note: All models listed in the Service Tanapa Column are not field replaceable for Latin America 68P02963C70-O 5 . Replacement Parts and Kits 6 68P02963C70-O . Replacement Parts and Kits 68P02963C70-O 7 . Replacement Parts and Kits 8 68P02963C70-O . Service Aids & Tools The table below lists the special test equipment required for servicing MTH500 radios. Name Anritsu Digital Signal Generator Power Meter Power Supply Universal Multimeter RF Probe Spectrum Analyzer R&S Audio Analyzer Data Cable Part Number MG3660A HP437B HP6032A HP3457A HP85024A HP8560E UPL16 FKN4897 FLN9636 2968 Flash/Data programming cable IFR System 68P02963C70-O A2 .1 .Appendix 2 Test Equipment. 2 68P02963C70-O .Test Equipment. Service Aids & Tools THIS PAGE INTENTIONALLY LEFT BLANK A2 . Self Check Error Codes Table 1. No corrective action is required. Table 1. the user should return the radio to Depot.Unknown block CP .Unknown ag 68P02963C70-O A3 . Table 2.1 . Self Check Error (Non-Fatal) Codes Message Error00001 Error00002 Cause A non-fatal error was logged during operation Codeplug error log validity error Table 2.Appendix 3 Self Check Error/Fail Code Tables General This appendix describes the possible self check error codes for the MTH500 Portable Radios. is the possible self check error (non fatal) codes for the MTH500 Portable Radios.Unknown eld CP . The radio is inoperatable. Self Check Fail (Fatal) Codes Message Fail00100 Fail00200 Fail00400 Fail00800 Fail00801 Fail00802 Fail00803 Cause Old CodePlug Version failure New CodePlug Version failure CodePlug Model failure Codeplug validity error CP . is the possible self check fail (fatal) codes for the MTH500 Portable Radios. Invalid header pointer CP .Too many arguments CP .Invalid path CP .2 68P02963C70-O .Corrupted codeplug CP .Invalid pointer CP .Connector Pin Functions Message Fail00804 Fail00805 Fail00806 Fail00807 Fail00808 Fail00809 Fail0080A Fail0080B Fail0080C Fail0080D Fail0080E Fail0080F Fail00810 Fail00811 Fail00812 Fail00813 Fail00814 Fail00815 Fail00816 Fail00817 Fail00818 Fail00819 Fail0081A Fail0081B Fail01000 Fail02000 Fail10000 FailF4000 FailF8000 Cause CP .Invalid check summ CP .Recovery failed CP .Invalid offset CP .Invalid index CP .Invalid handler CP .Not initilized CP .Ambiguous code CP .Invalid leght CP .Write failure CP .Unknown format CP .Invalid version number Flash checksum error A fatal error was logged during operation Handset communication error Ergo pre-selftest codeplug error Ergo pre-selftest invalid device error A3 .Lower layer error CP .Corrupted block CP .Radio Operattion System eror CP .Invalid block header CP .Invalid start entry CP .Duplicate data CP .Log over ow CP .Initialization failed CP . Differential Quadrature Phase Shift Keying. Integrated circuit used to store data. Also known as CODEC. the implementation is simpler (since an absolute reference source is not required). microcontroller specifically tailored for signal processing computations. Global Control Audio Power Integrated Circuit Intermediate Frequency DSI DSO DTMF DSP EEPROM GCAP IC IF 68P02963C70-O A4 . A sub-class of the QPSK methods of transmitting data. Data Serial Input Data Serial Output Dual Tone Multi-Frequency Digital Signal Processor. Algebraic Code Excited Linear Prediction Automatic Gain Control Background Debug Mode Customer Programming Software Digital to Analog converter A device that converts a digital value to a corresponding dc voltage value. which can be erased by electrical methods. Electrically Erasable Programmable Read Only Memory.Appendix 4 Glossary µC ABACUS A/D A/D Converter ACELP AGC BDM CPS D/A D/A Converter DQPSK Microcontroller Analog to digital converter for a radio receiver. By using phase differences. Analog to Digital A device that converts an instantaneous dc voltage level to a corresponding digital value. Rather than using the absolute value of phase (as in QPSK). only the difference between the current value of phase and the previous value of phase are used.1 . program/data memory.2 68P02963C70-O . Voltage Variable Attenuator World Phone Integrated Circuit A4 . Transmit Linear IC Universal Asynchronous Receiver Transmitter Voltage-Controlled Oscillator. a timer that limits the length of a transmission. an oscillator whereby the frequency of oscillation can be varied by changing a control voltage.Glossary IMIC I&Q LCD LED LO LPF OOIC PCB PLL POR PTT RESET RF PA RTS SRAM SSI RF STN TDMA TDS TOT TranLin IC UART VCO VVA WPIC Integrated Memory Interface In-phase & Quadrature Liquid Crystal Device/Display Light Emitting Diode Local Oscillator Low-Pass Filter On-Off Interface Circuit Printed Circuit Board Phase Locked Loop. an input to the microcontroller that restarts execution. usually after passing through a reference divider. A circuit in which an oscillator is kept in phase with a reference. Radio Frequency Power Amplifier Request-To-Send Static-RAM chip used for volatile. Synchronous Serial Interface Radio Frequency Super Twisted Nematic Time Division Multiple Access TETRA Diagnostics Software Time-Out Timer. Power Reset Push-To-Talk Reset line.