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Tcl Nx56e-La Chassis 21f1 Tda11145ps-n3-3 Ncp1337 Stv8172a Tv Sm NCP1377
Tcl Nx56e-La Chassis 21f1 Tda11145ps-n3-3 Ncp1337 Stv8172a Tv Sm NCP1377
March 28, 2018 | Author: Hanif Rathore Prince | Category:
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TCLSERVICE MANUAL 21F1 NX56E-LA 1. CautionĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂ2 2. specificationĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂ6 3. Alignment ProcedureĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂ13 4. Block Diagram ĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂ 28 5. Signal Processing IntroductionĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂ29 6ˊ PCB Layout ĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂ34 7. Scheme DiagramĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂ36 8. Specification of Main ICĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂ40 9ˊTrouble Shooting ĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂ61 10. BOM ListĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂ64 11ˊExplode DiagramĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂĂ77 This manual is the latest at the time of printing, and does not include the modification which may be made after the printing, by the constant improvement of product 1ǃCAUTION: Use of controls, adjustments or procedures other than those specified herein may result in hazardous radiation exposure. CA UTION: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER SERVICEABLE PARTS INSIDE. REFER SER VICING TO QUALIFIED SERVICE PERSONNEL. CAUTION RISK OF ELECTRI ELECTRIC SHOCK DO NOT OPEN. The lighting flash with arrowhead symbol, with an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to the person. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. WARNING: TO REDUCE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. 2 IMPORTANT SAFETY INSTRUCTIONS CAUTION: Read all of these instructions. Save these instructions for later use. Follow all Warnings and Instructions marked on the audio equipment. 1. Read Instructions- All the safety and operating instructions should be read before the product is operated. 2. Retain Instructions- The safety and operating instructions should be retained for future reference. 3. Heed Warnings- All warnings on the product and in the operating instructions should be adhered to. 4. Follow Instructions- All operating and use instructions should be followed. FOR YOUR PERSONAL SAFETY 1. When the power cord or plug is damaged or frayed, unplug this television set from the wall outlet and refer servicing to qualified service personnel. 2. Do not overload wall outlets and extension cords as this can result in fire or electric shock. 3. Do not allow anything to rest on or roll over the power cord, and do not place the TV where power cord is subject to traffic or abuse. This may result in a shock or fire hazard. 4. Do not attempt to service this television set yourself as opening or removing covers may expose you to dangerous voltage or other hazards. Refer all servicing to qualified service personnel. 5. Never push objects of any kind into this television set through cabinet slots as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock. Never spill liquid of any kind on the television set. 6. If the television set has been dropped or the cabinet has been damaged, unplug this television set from the wall outlet and refer servicing to qualified service personnel. 7. If liquid has been spilled into the television set, unplug this television set from the wall outlet and refer servicing to qualified service personnel. 8. Do not subject your television set to impact of any kind. Be particularly careful not to damage the picture tube surface. 9. Unplug this television set from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning. 10.1. Do not place this television set on an unstable cart, stand, or table. The television set may fall, causing serious injury to a child or an adult, and serious damage to the appliance. Use only with a cart or stand recommended by the manufacturer, or sold with the television set. Wall or shelf mounting should follow the manufacturer s instructions, and should use a mounting kit approved by the manufacturer. 10.2. An appliance and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces may cause the appliance and cart combination to overturn. 3 etc.PROTECTION AND LOCATION OF YOUR SET 11. 13. to protect it from overheating.2.IN WIRE GROUND CLAMP ANTENNA DISCHARGE UNIT (NEC SECTION 810-20) GROUNDING CONDUCTORS (NEC SECTION 810-21) ELECTRIC SERVICE EQUIPMENT GROUND CLAMPS POWER SERVICE GROUNDING ELECTRODE SYSTEM (NEC ART 250. 17. An outside antenna system should not be located in the vicinity of overhead power lines or other electric lights or power circuits. 12. Never expose the set to rain or water. provides information with respect to proper grounding of the mast and supporting structure.. 16. Section 810 of the National Electrical Code. 70-1975. unplug the set from the wall outlet and refer servicing to qualified service personnel. PROTECTION AND LOCATION OF YOUR SET 15. Do not use this television set near water . or near a swimming pool. specifies that the cable ground shall be connected to the grounding system of the building. Avoid dusty places. The set has slots. Never cover the slots or openings with cloth or other material. Choose a place where light (artificial or sunlight) does not shine directly on the screen. unless proper ventilation is provided. kitchen sink. NFPA No.1. 4 . sofa. 14. For added protection for this television set during a lightning storm. or where it can fall into such power lines or circuits. in particular. as close to the point of cable entry as practical. grounding of the lead-in wire to an antenna discharge unit. Note to CATV system installer : (Only for the television set with CATV reception) This reminder is provided to call the CATV system installer s attention to Article 820-40 of the NEC that provides guidelines for proper grounding and. size of grounding conductors. since piling up of dust inside TV chassis may cause failure of the set when high humidity persists. Never block the bottom ventilation slots of the set by placing it on a bed. If an outside antenna is connected to the television set. rug. PART H) NEC-NATIONAL ELECTRICAL CODE 15. If the set has been exposed to rain or water. These openings must not be blocked or covered. Never place the set near or over a radiator or heat register. When installing an outside antenna system. near a bathtub. etc. to provide reliable operation of the receiver. be sure the antenna system is grounded so as to provide some protection against voltage surges and built up static charges. washbowl.. or openings in the cabinet for ventilation purposes. unplug it from the wall outlet and disconnect the antenna. This will prevent damage due to lightning and power-line surges. for example. or when it is left unattended and unused for long periods of time. connection to grounding electrode. extreme care should be taken to keep from touching such power lines or circuits as contact with them might be fatal. location of antenna discharge unit. in a wet basement. or laundry tub. and requirements for the grounding electrode. EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE INSTRUCTIONS EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE ANTENNA LEAD. Never place the set in a built-in enclosure. or other hazards. Unauthorized substitutions may result in fire. IF THE SET DOES NOT OPERATE PROPERLY 21. For television sets designed to operate from battery power. This television set should be operated only from the type of power source indicated on the marking label. Adjust only those controls that are covered in the operating instructions as improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the television set to normal operation. It is normal for some TV sets to make occasional snapping or popping sounds. or a distinct change in performance indicates a need for service. turn the television set off and unplug the television set from the wall outlet. 25. 22. 19. for instance. when you go on a holiday. 23. unplug the set and have it checked by a professional service technician. Upon completion of any service or repairs to the television set. consult your television dealer or local power company. refer to the operating instructions. If the snapping or popping is continuous or frequent. 5 . 20. When going on a holiday : If your television set is to remain unused for a period of time. FOR SERVICE AND MODIFICATION 24.OPERATION OF YOUR SET 18. If the television set does not operate normally by following the operating instructions. unplug this television set from the wall outlet and refer servicing to qualified service personnel. be sure the service technician has used replacement parts specified by the manufacturer that have the same characteristics as the original part. 26. If you are not sure of the type of power supply at your home. do not attempt any further adjustment. When replacement parts are required. If you are unable to restore normal operation by following the detailed procedure in your operating instructions. ask the service technician to perform routine safety checks to determine that the television is in safe operating condition. electric shock. unplug the set and consult your dealer or service technician. Do not use attachments not recommended by the television set manufacturer as they may cause hazards. particularly when being turned on or off. Unplug the set and call your dealer or service technician. Whenever the television set is damaged or fails. Issued On 2008-5-19 Page Updated On Version 1 of 7 1.TCL-Thomson Electronics R&D Center (Shen’Zhen Lab) Product Functional Specification Chassis Name NX56-LA Serial No.0 . which is separated by one dot. the second one ”2” means the version of draft.TTE Corporation R&D Center (Shen’Zhen Lab) Disclosure Proprietary Information: These drawings and specifications are the property of TCL-Thomson Electronics and shall not be reproduced or copied or used as the basis for the manufacture or sale of apparatus or devices without the written permission of TCL-Thomson Electronics. e.g. Issued On 2008-5-19 Page Updated On Version 2 of 7 1. Chassis Name NX56-LA Serial No.0 .2. The first number “1” means the version of approved file. 1. Version Information: Version states by two Arabic Numbers. 0 . Status Date Prepared by OLSHQJ Comment 9 %6$(6& 9 '06$(6&6 Checked by Released by: Prepared by OLSHQJ 086 Checked by Released by: Revised by Checked by Released by: Revised by Checked by Released by: Chassis Name NX56-LA Serial No.TTE Corporation R&D Center (Shen’Zhen Lab) Revision History Model No. Issued On 2008-5-19 Page Updated On Version 3 of 7 1. 77(&RUSRUDWLRQ5'&HQWHU 6KHQÿ=KHQ/DE. 7MHz PAL M/N NTSC M NTSC PAL Standard Standard X X X X X X X X X X 4 modes 4 modes 3 modes 3 modes X X X X X X X X 110 120 4:3 29' 4:3 21' Super Slim 5W+5W 4W+4W Item Master Data -Version -Customer ID -Chassis Reception -Tuning [Channels Amt.0 . 03-B185SAE-SC31 03-DM63SAE-SC31S 181 PLL 181 PLL Channel Antenna AND Cable Channel Antenna AND Cable 45. Size Sound -Audio Power Consumption -Surround Sound &KDVVLV 1.) -CRT Magnetic Field -Screen Type -Screen Size / Vis.7MHz PAL M/N NTSC M NTSC PAL 45./$ Version: 1.] -Tuning [Technology] -Tuning [Indication] -Frequency Bands -IF Frequency -TV Systems (Color+ Sound) -AV Systems Picture-Processing -SCAN -Wide Screen Switching -Comb filter -Picture Enhancement LTI / CTI Black Stretch Dynamic Skin Others -Picture Control [General] Brightness Sharpness Contrast Tint Color -Picture Control [Special] Smart Pictures * modes VM Color Temperature Others -Picture Noise Reduction Picture – Display -CRT Type Normal Flat Pure Flat Super Flat -Deflection system 1Fh 2Fh -Tube Technology Iron AK Black Matrix Others -CRT Deflection ( * Deg. Model NX56-LA 29185 NX56-LA 21M5US -Destination 1 EM EM 1 EM EM -Brand -BOM NO. 77(&RUSRUDWLRQ5'&HQWHU 6KHQÿ=KHQ/DE. /$ Version: 1.0 . Model NX56-LA 29185 NX56-LA 21F5US X X X X X X X X -Speakers Quantity 2X1 2X1 User Interface -Menu Language English/Portugal/Espanol English/Portugal/Espanol X X X X X X X X X X X X X X X X X X X X X X X X X X Item -Nicam -America Stereo (MTS.BTSC.MPS) -America SAP -Korea Stereo -Thai Bilingual -Super Woofer -AVL -Sound Control [General] Volume Mute -Sound Control [Special] Treble Bass Balance Equalizer Smart Sound * modes Others -Features [General] AT Biological Clock Calendar Clock Channel Swap Channel Naming Child Lock Favorite Channel Game Hotel Mode High Sensitive Notebook On/Off Timer Preset Recall Rotation Sleep AVC -Features [Special] V-chip / CCD Teletext *Pages Others New Features Smart signal Voltage display ⦃๗ܝẔ⌟ (DV\VHDUFK Tuning Features -Auto Channel Program -Auto/Manual Tuning -Auto/Manual Store -Fine Tuning -Factory Mode -Service Mode Cabinet -Cabinet Name &KDVVLV 1. 77(&RUSRUDWLRQ5'&HQWHU 6KHQÿ=KHQ/DE. VOL+ VOLTV/AV Menu Auto Search -Indicator RC Received LED Standby LED Remote Controller -Type -Batteries Connectors Rear -SCART Full w/o Y/C -SCART Full with Y/C -SCART Single (CVBS) -Component In (YPbPr) Cinch for 50Hz -In Y/C+Cinch(CVBS+ Stereo) -In Y/C+Cinch (CVBS+ Mono) -In Cinch(CVBS+ Stereo) -In Cinch (CVBS+ Mono) -Out Cinch(CVBS+ Stereo) -Out Cinch(CVBS+ Mono) .5mm Final Equipment -Packing –Methods 2 Color Printing Carton Color -Documents and Manuals Instruction Book Screen Sticker Plastic Bag Warranty Card &KDVVLV 1.Y.Cr input -In Cinch (CVBS+ Mono) -Out Headphone Mini-Jack 3. Model NX56-LA 29185 NX56-LA 21F5US X X X X X X X X X X X X RC166 RC166 1+1 1+2 1(follow TV) X 1(follow TV) X -Super Woofer -Digital Audio Out -Loudspeakers -Control Busses -Feature Slot -ITV Smart Port ./$ Version: 1.Cb.VOL+ VOLTV/AV Menu Auto Search -Local Controls Top CH+ CH.0 .Antenna in 75 Ohms (F Type) X X Connectors Front/Side -In Y/C+Cinch(CVBS+ Stereo) -In Y/C+Cinch (CVBS+ Mono) -In Cinch(CVBS+ Stereo) X Item -Front Cabinet Color -Middle Cabinet Color -Rear Cabinet Color -Local Controls Front Mains Switch CH+ CH. 77(&RUSRUDWLRQ5'&HQWHU 6KHQÿ=KHQ/DE. 0 . Warning Label Approbation Label Others -Languages DFU -Indication on BACKOVER Made-in in family sheet FCC/Elect Shock Caution Label CE/Elect Shock Caution Label Warning Label Others Approbation NX56-LA 29185 NX56-LA 21F5US IEC65 IEC65 100-240V 50/60Hz 100-240V 50/60Hz 75W <3W 75W <3W Miscellaneous -Mains Voltage -Mains Frequency -Type Mains Cord -Power Consumption TV in ON -Power Consumption TV in Standby &KDVVLV 1./$ Version: 1. Model Item Guarantee Doc. Issued on 2008-05-19 Page Page 1 of 15 Updated on 2010-01-27 Version 2.TCL-THOMSON Electronics R&D Center (Shen’Zhen Lab) NX56-LA Chassis Alignment Procedure Chassis Name NX56-LA Serial No.2 . 2 . e. Version Information: Version states by two Arabic Numbers. which is separated by one dot. Issued on 2008-05-19 Page Page 2 of 15 Updated on 2010-01-27 Version 2. the second one ”2” means the version of draft. The first number “1” means the version of approved file.TCL-THOMSON Electronics R&D Center (Shen’Zhen Lab) Disclosure Proprietary Information: These drawings and specifications are the property of TCL-Thomson Electronics and shall not be reproduced or copied or used as the basis for the manufacture or sale of apparatus or devices without the written permission of TCL-Thomson Electronics.2. 1. Chassis Name NX56-LA Serial No.g. 2 .0 Updated the description accord with the software changing.2 2010-01-27 Add background color set Add Software eliminate bright Checked by Spot when turn off switch Released by Chassis Name NX56-LA Serial No.TO NX56B Ver2.1 Add AKB adjust method Checked by Released by Prepared by All NX56-LA chassis LIPENG Ver2. Status Prepared by 29185 Date LIPENG 2008-05-15 LIPENG 2008-05-15 LIPENG 2008-07-4 Checked by Released by Prepared by 21M63US Checked by Released by Prepared by 21M83S Checked by Comment 03-B185SAE-SC31 ˄29185/NX56-LA˅ 03-DM62SAE-SC31S ˄21M63US/NX56-LA˅ 03-DM83SAE-SC31S ˄21M83S/NX56-LA˅ Released by All NX56-LA Prepared by chassis LIPENG 2009-02-23 Prepared by LIPENG 2009-04-10 14N23 Ver2. Issued on 2008-05-19 Page Page 3 of 15 Updated on 2010-01-27 Version 2.TCL-THOMSON Electronics R&D Center (Shen’Zhen Lab) Revision History Model No. The way to enter P-Mode a) Method one A) Switch on the TV set. All change in P-Mode will be saved in EEPROM automatically 1. 1. Press “DISPLAY” key to display software version. 1. B) Press the “MENU” key on RC to show the “PICTURE” OSD menu.2. “5” key continuously on RC within 3 seconds then enter P-Mode.1. When the power on with “FACTORY HOTKEY” had set to “ON ( = 1 )”. Keys’ function on RC at the P-Mode Use the RC to navigate in P-Mode: Press “0” to “9” key to select factory adjustment page. the set will enter the P-Mode automatically. This will be active only when the “FACTORY HOTKEY” had set to “ON ( = 1 )”. The “P” letter will appear on the left low corner of the screen when enter P-Mode. 2.2 . Issued on 2008-05-19 Page Page 4 of 15 Updated on 2010-01-27 Version 2. “3”. b) Another method Press the “RECALL” key on RC to enter P-mode directly. Press “” key to select option. Exit the P-Mode Press the “RECALL” or “MENU” key on RC to exit the P-Mode. *Notes: 1. Press “RECALL” key to enter or exit the P-Mode. Press “MENU” key to exit the P-Mode. “7”.4. The adjustment page list on P-Mode: RC key Item Description 0 Screen voltage adjustment 1 Picture Geometric adjustment 1 Vertical geometry 2 Picture Geometric adjustment 2 Horizontal geometry 3 White Balance Adjustment 4 Setup 1 5 Setup 2 6 Setup 3 7 Setup 4 8 Setup 5 Chassis Name NX56-LA Serial No. Also the “FACTORY HOTKEY” will be set to “ON ( = 1 )”. Press “” key to adjust or select option.TCL-THOMSON Electronics R&D Center (Shen’Zhen Lab) 1. C) Move the cursor to “Contrast” item then press the “9”.3. TCL-THOMSON Electronics R&D Center (Shen’Zhen Lab) 9 AT DISPLAY Press this key to enter or exit BUS OFF mode I2C Bus OFF DISPLAY STATE SCREEN Display software version 2.2 . Issued on 2008-05-19 Page Page 5 of 15 Updated on 2010-01-27 Version 2. Flowchart of alignment procedure B+ adjustment Electrical properties checking for chassis RF AGC adjustment Adjustment of screen voltaget Parameter setup White balance Adjustment Aging Adjustment of focus voltage PAL geometry adjustment NTSC geometry adjustment Set shopping status QC checking 1) B+ Adjustment 2) RF AGC Adjustment 3) Screen & Focus adjustment 4) White balance adjustment 5) Producing parameter setup and option 6) Picture Geometry adjustment ( Vertical first) 7) Set Shopping status 8) QC Chassis Name NX56-LA Serial No. Adjust VR801. 2.50Hz˅ Connect a voltmeter to B+ (Cathode of D808) and switch on the set. 3. Main voltage is at 220VAC.1: The B+ value for vary tubes CRT type (Part Number) B+ Voltage A68ERF185X013/MS (44-29RFLT-HFCA) 99 A51QGT420X34(44-21RFLS-LGDA) 99 A51ERS357X440(44-21RFLE-HF4A) 99 A51ALQ13X04(44-21RFLM-CHDA 99 99 37SX110Y22-DC05( 44-14OFLN-IR6A) Chassis Name NX56-LA Serial No. B+ Voltages All relevant connectors and modules must be connected and inserted. it should as the value in below form B+ Voltage.1. Input Philips test pattern signal and standard mode.TCL-THOMSON Electronics R&D Center (Shen’Zhen Lab) 3. Table 3.˄voltage range:110VAC~240VAC. 4. 5. 50Hz. Issued on 2008-05-19 Page Page 6 of 15 Updated on 2010-01-27 Version 2. Adjustment description *Notes: Alignment should be done after 3 minutes warm up of TV. 3.1 1.2 . 1.2 Method 2 A.2 RF AGC alignment 3. B. Press “0” key on the RC and the screen will become a horizontal line.TCL-THOMSON Electronics R&D Center (Shen’Zhen Lab) 3. Adjust AGCT item until the output of the detector becomes 0. 3.2) to collector of Q101. Input cross hatch pattern signal to RF input. 4.PHWKRGZLWK$. 3. Enter P-Mode. press “6” key on RC to select “AGCT”.8Vpp Collector of Q101 To CRO Picture 3. Enter P-Mode.+. Adjust the “SCREEN” VR of the FBT until the horizontal line can just be seen barely (minimum visible intensity). B. D. 2.*+. Connect the detector as shown below (Picture 3.1 Method 1 A. Receive a grey scale signal with 60dBV amplitude.2.3 Screen & Focus adjustment *Notes: Alignment below should be done after 15 minutes warm up of TV. C.%2)) 1RWH Adjust the “SCREEN” VRPHWKRGZLWK$. Receive a grey scale signal with 70dBV amplitude.2. Enter P-Mode.%21 3XWWKH79LQ$9VRXUFHZLWKRXWLQSXWVLJQDO (QWHU30RGHSUHVV5&NH\$7 $GMXVWWKH6&5((195RIWKH)%7XQWLO9*6WDWH /2:2. press “6” key on RC to select “AGCT”. Adjust the “AGCT” value until the hint display “AGC” just change between “0” and “1”. C.2 3. 5.GLVSOD\2. Adjust the “FCOUS” VR of the FBT until the vertical line and horizontal line becomes clear. like picture 3. Issued on 2008-05-19 Page Page 7 of 15 Updated on 2010-01-27 Version 2.3. 5. Press “0” key again on the RC to exit the screen voltage adjustment mode.2 . Chassis Name NX56-LA Serial No. 0x0B and 0x0C need to write in the right values to set the YUV mode black level offset before production. (11500 K). Then measure the white side of the screen.2 . The “SUBB” and “SubCON” items are used to assistant the white balance adjustment. These offset values should be written by the PE engineer when making the EEPROM copy for the new lot with difference tube. press key “3 ” to select white balance adjustment menu. Enter P-Mode. You can adjust these items to get the expect intensity when adjusting the white balance. 3. 2. 4.”GC” and “BC” to set the reading of the color analyzer to x=274. YUV white balance black level offset setup: It is not need to adjust the white balance for YUV mode when production. 5. Issued on 2008-05-19 Page Page 8 of 15 Updated on 2010-01-27 Version 2. BLOG-Y and BLOB-Y items which locate in EEPROM address 0x0A. It is the same function as the user OSD menu “Brightness” and “Contrast” items.3 3. (11500 K). y=280. Adjust the value of “RC”. Adjust the value of “RD”. y=280. Repeat step 3&4 until you can get the correct reading for both black and white sides. *Notes: A. but the BLOR-Y. Table 3. Input a black and white pattern to RF input.4 White Balance Adjustment 1.TCL-THOMSON Electronics R&D Center (Shen’Zhen Lab) Picture 3.1: The White Balance adjustment setup and option page “3” OSD menu Default Value Description Remark RC 32 R cut-off setting(BLOR) Adjust to right value GC 32 G cut-off setting(BLOG) Adjust to right value BC 32 B cut-off setting(BLOB) Adjust to right value RD 37 R drive setting(WPR) Adjust to right value GD 32 G drive setting(WPG) Adjust to right value BD 37 B drive setting(WPB) Adjust to right value BLOC 8 Black level offset course(BLOC) Adjust to right valuege Chassis Name NX56-LA Serial No. Use the color analyzer to measure the black side of the screen.4. B. “GD” and “BD” to set the reading of the color analyzer to x=274. Chassis Name NX56-LA Serial No.5 Adjust to right valuege Same as user “Brightness” and “Contrast” adjust 64= offset value 0 63= offset value -1 65= offset value ˇ1 Adjust to right value CENTET Adjust to right value Picture Geometry adjustment 3. you don’t need to adjust the geometry of NTSC signal any more. only the “VCEN-60” and “VSIZE-60” items need the adjustment. Adjust the value of the corresponding item to make the vertical geometry of the pattern look good. If the geometry of NTSC signal is look good.2 .) 3. 2. 3. For NTSC signal. Table 3.5. the “-50” will replace with “-60”. 4.1 Vertical geometry adjustment 1. 2.1. For NTSC signal. For NTSC signal. press key “1” to select vertical geometry adjustment. When finished the PAL signal geometry adjustment.TCL-THOMSON Electronics R&D Center (Shen’Zhen Lab) Screen background is black with No signal BriVSD 32 Brightness of horizontal line when adjust G2 SUBB 32 Brightness SubCON 32 Contrast BLOR-Y 64 YUV R -OFFSET BLOG-Y 62 YUV G-OFFSET BLOB-Y 64 YUV B -OFFSET BRTC 32 BRIGHT 3. (The OSD menu for this adjustment as below table 3. the other items use the same data as PAL signal. Input a PAL crosshatch pattern signal to RF input. Enter P-Mode. On producing. Apply NTSC signal to adjust these value for NTSC vertical geometry.5.5.5.2 Horizontal geometry adjustment 1. the “-50” will replace with “-60”. press “2” key to enter page “2” to select “AUTO OFFSET” item. Issued on 2008-05-19 Page Page 9 of 15 Updated on 2010-01-27 Version 2. please use the “AUTO OFFSET” (On page “2”) function to easy the geometry adjustment of NTSC signal. Then the geometry adjustment of NTSC signal will finish automated. press “” key to active the automatic offset function.1: The vertical geometry adjustment OSD menu setup and option page “1” OSD menu Default Value Description Remark VSLOPE-50 32 Vertical slope(VS) Adjust to right value VCEN-50 32 Vertical shift (VSH) Adjust to right value VSIZE-50 32 Vertical amplitude(VA) Adjust to right value VZOOM-50 25 Vertical zoom(VX) Adjust to right value VSC-50 32 S-correction(SC) Adjust to right value VSCROLL-50 32 Vertical Scroll˄VCS˅ Adjust to right value *Notes: 1. 3. Input a PAL crosshatch pattern signal to RF input. Table 3.2: The horizontal geometry adjustment OSD menu setup and option page “2” OSD menu Default Value Description Remark HCEN-50 32 Horizontal shift(HSH) Adjust to right value HSIZE-50 32 EW width(EWW) Adjust to right value HPARA-50 32 EW parabola width(PW) Adjust to right value HTRAP-50 32 EW trapezium(TC) Adjust to right value HCNRT-50 32 EW upper corner parabola(UCP) Adjust to right value HCNRB-50 32 EW lower corner parabola(LCP) Adjust to right value HBOW-50 32 Horizontal bow(HB) Adjust to right value HPARALLEL 32 Horizontal parallelogram(HP) Adjust to right value AUTO OFFSET 0 Automatic offset NTSC geometry See below description *Notes: 1. press “” key to active the automatic offset function. Apply NTSC signal to adjust these value for NTSC horizontal geometry.) 3. See below table 3. (The OSD menu for this adjustment as below table 3.5. 4.TCL-THOMSON Electronics R&D Center (Shen’Zhen Lab) 2.1 for detailed description. it not needed to adjust the geometry of NTSC signal any more. Then the geometry adjustment of NTSC signal will finish automated. Enter P-Mode. On producing. the “-50” will replace with “-60”. Table 3. Adjust the value of the corresponding item to make the horizontal geometry of the pattern look good. 2. press key “2” to select horizontal geometry adjustment. Issued on 2008-05-19 Page Page 10 of 15 Updated on 2010-01-27 Version 2.6 Producing parameter setup and option 1.Set the corresponding item to require value. For NTSC signal. only the “HCEN-60” and “HSIZE-60” items need the adjustment. press key “4” to select page “4”.2 . When finished the PAL signal geometry adjustment.2. the “-50” will replace with “-60”. For NTSC signal. Enter P-Mode. please use the “AUTO OFFSET” (On page “2”) function to easy the geometry adjustment of NTSC signal. the other items use the same data as PAL signal.1: Producing parameter setup and option page “4” OSD menu Default Value Description Remark WARM UP STATUS 0 Set aging mode SHOP INIT 0 Set the shopping status 0=>1= Set the shopping status DCXO 2 Crystal oscillator frequency adjustment Adjust this value to get the max color synchronization range FACTORY HOTKEY 1 Set factory hotkey POWER ON MODE LAST Set the power on mode 0=Aging mode off 1=Aging mode on 0=”FACTORY HOTKEY” off 1=”FACTORY HOTKEY” on ON=On when power on Chassis Name NX56-LA Serial No.6.5.6. 3. press “2” key to enter page “2” to select “AUTO OFFSET” item. 3. For NTSC signal. If now the geometry of NTSC signal is look good. Contrast=50.) D.(Volume=30. 2). Set the user picture and sound curve value A.TCL-THOMSON Electronics R&D Center (Shen’Zhen Lab) STB=Standby when power on LAST=Last power off status EEPROM INIT 0 EEPROM initial 0=>1=Active EEPROM initial BRI CURVE >>>>>> Brightness curve Adjust this value CONCURVE >>>>>> Contrast curve Adjust this value COL CURVE >>>>>> Color curve Adjust this value VOL CURVE >>>>>> Volume curve Adjust this value AV STANDB 0 AV no signal within 10 minutes automatic standby DEFALT LANGUAGE 1 SET DEFALT LANGUAGE 1=Enlishˈ2 =Portuguese 3= Spanish SET DEFALT TUNE MODE DEFALT TUNE MODE 0 = cable 1 = antenna DEFALT TUNE MODE 1 1 =Enable 0=Disable AT ENABLE 1 AT MODE ENABLE 1 =Enable 0=Disable VCHIP ENABLE 1 VCHIP ENABLE 1 =Enable 0=Disable Description: 1).2 . The TV status after shopping status: A. White tone=Normal. Picture set to “Standard” status. Sound set normal. “FACTORY HOTKEY” had set to “OFF”. Issued on 2008-05-19 Page Page 11 of 15 Updated on 2010-01-27 Version 2. Colour=50.Balance=50. Set the shopping status When trigger the “SHOP INIT” item form “0” to “1”. the TV will be put on selling status. Brightness curve: OSD menu Default Value Description Remark BRI0 0 Set the minimal brightness when user Brightness=0 BRI50 32 Set the brightness when user Brightness=50 BRI100 63 Set the maximal brightness when user Brightness=0 Set the value as practical requirement B. Contrast curve: OSD menu Default Value Description Remark CON0 0 Set the minimal contrast when user Contrast=0 CON50 32 Set the contrast when user Contrast=50 CON100 63 Set the maximal contrast when user Contrast=0 Set the value as practical requirement Chassis Name NX56-LA Serial No. (Brightness=50. B.) C. 1 =ON Description for AUTO OFFSET and GET OFFSET: The “GET OFFSET” can use to make the EEPROM copy by PE engineer. Set the corresponding item to require value.2 for detailed description.2: Producing parameter setup and option page “5” OSD menu Default Value Description Remark Track. trigger the “GET OFFSET” from “0” to “1” to store the geometry offset datum between PAL and NTSC in EEPROM. press key “5” to select page “5”. Table 3.6. When the PAL and NTSC geometry adjustment had finished.2 . 0 16:9 mode vertical zoom Don’t adjust. Chassis Name NX56-LA Serial No. use default VX Compr.6. See below table 3. use default HBL 1 blanking Switch WBF 5 Wide start Don’t adjust.TCL-THOMSON Electronics R&D Center (Shen’Zhen Lab) C. Volume curve: OSD menu Default Value Description Remark VOL0 0 Set the minimal volume when user Volume=0 VOL10 38 Set the minimal volume when user Volume=10 VOL10 65 Set the minimal volume when user Volume=30 Set the value as practical requirement VOL50 71 Set the volume when user Volume=50 VOL80 77 Set the maximal volume when user Volume=80 VOL100 81 Set the maximal volume when user Volume=100 2. Enter P-Mode. Colour curve: OSD menu Default Value Description Remark COL0 0 Set the minimal colour when user Colour=0 COL50 32 Set the colour when user Color=50 COL100 50 Set the maximal colour when user Colour=0 Set the value as practical requirement D. Issued on 2008-05-19 Page Page 12 of 15 Updated on 2010-01-27 Version 2. use default GET OFFSET 0 Get offset See below description ColdRD 61 ColdGD 56 Cold color temperature R and G drive offset 64= offset value 0 63= offset value -1 65= offset value ˇ1 Adjust to right value ColdRC 61 ColdGC 66 Cold color temperature R and G cut-off offset t 64= offset value 0 63= offset value -1 65= offset value ˇ1 Adjust to right value WarmRD 72 WarmGD 71 Warm color temperature R and G drive offset 64= offset value 0 63= offset value -1 65= offset value ˇ1 Adjust to right value WarmRC 65 WarmGC 64 Warm color temperature R and G cut-off offset 64= offset value 0 63= offset value -1 65= offset value ˇ1 Adjust to right value 0=EHT tracking only on vertical 1=EHT tracking on vertical and EW 0 =OFF. Mode 0 EHT tracking mode VX Normal 25 4:3 mode vertical zoom Don’t adjust. use default WBR 8 Wide blanking end Don’t adjust. use default AGNE 3 Audio gain Don’t adjust. Set the corresponding item to require value.2 RF AGC alignment” for detailed. use default IF 45. Table 3. these geometry offset datum can use to easy the NTSC geometry adjustment.3-8% Don’t adjust. Recommended value= “12” Don’t adjust Chassis Name NX56-LA Serial No. Issued on 2008-05-19 Page Page 13 of 15 Updated on 2010-01-27 Version 2.TCL-THOMSON Electronics R&D Center (Shen’Zhen Lab) On producing.6. Set the corresponding item to require value. use default BSD 0 Black Stretch depth 0ˉ15IRE. See below table 3. use default AKB 1 Black current stabilization NBL 1 Black current loop application 0 AKB ON 1 AKB OFF CL 10 Set the cathode drive level CC-LINE 21 CC’s line BKS 1 Black Stretch Switch 0 =OFF. press key “6” to select page “6”. use default WATCHDOG 8 BLUE BLACK OPT 0 See section “3. Enter P-Mode. it not needed to adjust the geometry of NTSC signal any more. use default Adjust to right value accord with the tube. Table 3. then the geometry adjustment of NTSC signal will finish automated.6.6. trigger the “AUTO OFFSET” from “0” to “1”. Don’t adjust. When finished the PAL geometry adjustment.3: Producing parameter setup and option page “6” OSD menu Default Value Description Remark AGCT 32 AGC take over point OIF 32 IF demodulator offset Don’t adjust.4: Producing parameter setup and option page “7” OSD menu Default Value Description Remark EVG 0 Enable vertical guard(RGB blanking) 1= RGB blanking DFL 0 Disable flash protection from defletion timer Don’t adjust. press key “7” to select page “7”.3 for detailed description.7 IF frequency Select the IF frequency AGCS 1 AGC speed Don’t adjust. 3. Enter P-Mode. See below table 3.6.4 for detailed description. use default No signal background color set 0=BLUE 1=BLACK 4.1-30IRE Don’t adjust.1 =ON Don’t adjust.2-6%. use default AAS 0 Black area to switch off the black stretch 0-12%1-20%.2 . If now the geometry of NTSC signal is look good. use default XDT 0 X-ray detection Don’t adjust. 1-1.5:1. See below table 3. use default RPO 1 Ratio of positive and negative peaks 0-1:1 1-1:1. use default 2 Vottage difference between soft clipping and pwl 0 -0% above pwl level 1-5% above pwl level 2-10% above pwl level 3. use default Don’t adjust.TCL-THOMSON Electronics R&D Center (Shen’Zhen Lab) RPA 1 Ratio pre.and aftershoot 0-1:1. press key “8” to select page “8”.soft pwl SOC PWL COR 8 Peak White Limiting 0 Video dependtent coring(peaking) 0-off 1-coring active 0 and 20IRE 2-coring active 0 and 40IRE 3-coring active 0 and 100IRE Adjust to right value accord with the tube.2 . 2-2:1 Don’t adjust. Set the corresponding item to require value. Table 3.5: Producing parameter setup and option page “8” OSD menu Default Value Description Remark HOTEL 0 HOTEL MODE 1: open 0:close according to ODF BTSC 1 BTSC’s option 1: open 0:close according to ODF SAP 0 SAP ’s option 1: open 0:close When BTSC ON advice SET 1 BTSC AUTO 2 BTSC AUTO Select 2: AUTO 0:Manual Recommended value= 2 AV ALIGMENT 1 AV terminal align AV2 ENABLE 1 AV2 terminal enable SHVS ENABLE 1 S-Video terminal enable YUV ENABLE 1 YUV terminal enable NO COMMAND ENABLE 0 No operation within 2 hours automatic standby enable LANGUAGE PORTUGA 1 LANGUAGE SPAISH 1 AVOUT Follow 0 Avout follow signal change 1=follow 0=only tv 0=3 x 3 1=4 x 3 0=Disable 1=Enable Recommended value= 1 Chassis Name NX56-LA Serial No. 3-1:0. Recommended value= “8” Don’t adjust.7.5 for detailed description.6.3.7 Don’t adjust.6. use default 5. 2-1:1. Enter P-Mode. Issued on 2008-05-19 Page Page 14 of 15 Updated on 2010-01-27 Version 2. TCL-THOMSON Electronics R&D Center (Shen’Zhen Lab) KEY DETECT 1 PRESS KEY fault detect 1 =detect 0= N0 detect BLACK LIGHT 0 Software eliminate bright Spot when turn off TUNER TYPE 1 SET TUNER TYPE Recommended value= 1 0= off 1=on 0 = TCL 1 = XINFA Chassis Name NX56-LA Serial No.2 . Issued on 2008-05-19 Page Page 15 of 15 Updated on 2010-01-27 Version 2. after inside circuit to do signal receiving. and signal amplifying. 1. then send to picture IF processing circuit. The IF picture signal and sound signal formed in mixer and output from mixer. Tuner section) .RF Section Tuner Tu101 receive the radio frequency signal. VGA (Fig. The amplified high frequency signal accompany with the high frequency oscillation voltage oscillated by set oscillator input to the mixer. Video signal processing section is CVBS across video filter and delay line and horizontal & vertical synchronous separation circuit processing and get H-drive (pin56 of IC201)and V-drive signal (pin15/pin15 of IC201). IF sound signal across the sound-down-mixer and AM demodulator processing. send out the AVL/ SSIF OUT signal. Small Signal Processing Section) . video amplifier and synchronous detector processing. The VIFIN signal through built-in PLL DEMOD.) (Fig 2. sound trap. ( Refer to Fig2 and Fig 3.Small Signal Processing Section Small signal processing section is the IF (intermediate frequency) signal across saw filter send in the pin12 and pin13 of IC201. get the color video broadcast signal and 2nd sound IF signal. .(Fig3. Pin2 of T401 is B+ voltage input. C453. coupled by horizontal driving transformer T402 .C455. T401 is FBT. to control the horizontal output transistor working in switch on and off situation. Pin11 of T401 sends out heater voltage supply for CRT heater.) Horizontal Scanning Section The horizontal drive signal send out from pin 56 of IC201. D455 is damping diode. Pin 10 of T401 get 200 Volt video amplifying voltage supply for CRT board. L456 is horizontal width coil and L458 is horizontal linearly coil. Block Diagram of IC201.C457 are retrace capacitors. Q401 is horizontal driving transistor. get good linearly and enough amplitude of saw-tooth wave current to drive horizontal deflection yoke scanning. Pin 6 is boost voltage.Vertical Scanning Section Vertical scanning section adopted STV8172A vertical deflection booster. +8V voltage across R533 charge for C512. At the right of turn off the TV. Vertical Scanning Processing Section CRT Scanning Section Q507. C309. When the TV is playing mode. C306 is correction capacitor. Pin2(+14v) and Pin7(-14v) of IC301 is power supply which come from the main power transformer. B to discharge the electronic quickly. Q507 is turn-on.D501. R306 is a damping resistor. R308 is current feedback resistor. rectified by D301.D502 and D503 makes up a light eliminate circuit network. we use as differential-output driver. Fig 4. The two differential signal input pin 1 and 7 of STV8172A IC301. the current across D501. .C301 and R305 makes up a voltage feedback network. Q507 is cut off. D502 and D503 send to R.G. The vertical raw-tooth wave signal sends out from pin14/15 of IC201 VDA/VDB. Audio Power Amplifying Section Power Supply Section AC supply 220V/110v through filtering network and rectifying circuit and get 300Vdc voltage. LF802 and CY801. 300Vdc voltage supply pin3 of T801. . IC803 is optocoupler. D801-D804 is rectifying network. also through R804 send to pin8 of IC801 NCP1337. Pin5 of IC801 sends out the PWM signal to control Q801 working in switch on and off situation.CY802 makes up a common mode rejection network. LF801/LF801A and CX802 makes up a differential mode rejection. . . . . 0. it has just stereo input switch and no audio control circuit. The circuit has an audio switch for mono signals but the mono inputs can also be used as a stereo input. In this range most of the video and audio processing features have been omitted. however. This concept is intended for 90× picture tubes. • Mono-90 concept.11 — 25 January 2007 Product data sheet 1. This new concept offers a complete range of products with the right price level to cover TV receivers from basic mono 14 inch sets up to the best featured large and/or wide screen AV-stereo TV sets. The block diagram is given in Figure 1. The block diagram is given in Figure 1. Two different micro processor are available for this concept. the other with (extended) OSD features (UOCTOP_OSD version). The UOC-TOP-64 concept is mounted in a SDIP64 package and is split up in the following ranges: • AV-110 (AV-stereo) concept. 5V and 3. The most important features of the complete IC series are given in the following feature lists. The UOC-TOP-64 concept can also be used as front-end for 2fH and LCD TV receivers. Also this concept can be supplied with one of the two micro processors (UOCTOP_1PTXT or UOCTOP_OSD version).3V. The functional content of this concept is comparable with that of the AV 110 concept.4 “Licenses”). This concept is nearly identical to the AV-110 concept. General description The UOC-TOP-64 series is a very flexible concept which offers attractive solutions for 1fH TV receivers with CRTs. one with OSD and Closed Captioning or Teletext and Closed Captioning features (UOCTOP_1PTXT version). The block diagram is given in Figure 2. All packages are according to the ROHS legislation. UOC-TOP-64 is supported by a comprehensive Global TV Software Development kit to enable easy programming and fast time-to-market (see also Section 20. The only difference that it does not contain an East-West and Scan Velocity Modulation (SVM) output. This concept is intended for 90× picture tubes. . treble.UOC-TOP-64 N1 series Versatile signal processor for CRT TV applications Rev. It contains a video processor with many features and it has an analog audio control circuit with balance. bass and loudness control. which also means that these packages are lead-free. • AV-90 concept. • Mono-110 concept. The ICs have supply voltages of 8V. 0/6. Audio switch circuit with 2 stereo inputs (1 stereo input can also be switched into two mono sound inputs) and a stereo output which can be used for the drive of for audio power amplifiers (with volume and tone-control) or as SCART/CINCH output. All rights reserved. The second stereo input is only available via the combined C2/C3/C4/AUDIOIN5R pin for the right channel and via the combined CVBS4/Y4/AUDIOIN5L pin for the left channel. which can be used as input for an external BTSC decoder or as input for external sound band-pass filter for second language processing. All CVBS inputs can be used as Y-input for Y/C signals.5/6. The SVM output is combined with the black current input of the black current stabilisation circuit.5 MHz). Video switch with 3 external CVBS inputs.74 MHz so that a second sound channel can be demodulated. In such an application it is necessary that an external bandpass filter is inserted.11 — 25 January 2007 2 of 230 . The quality of this system is such that the external band-pass filters can be omitted. 2007. Teletext. Features 2.7 MHz.V. Rev. Y/C and RGB/YPBPR signals.1 Analog Video Processing 2. However. By means of a small application adaptation both functions can be operational in parallel. The SVM circuit is active for all the incoming CVBS. or as input from an external sound band-pass filter for second language processing. Separate SSIF input available as input for the FM-PLL demodulator to demodulate FM-radio with an IF frequency of 10. this output can be used as monitor video output or as front-end video output or as independent selectable video output. only 1 Y/C source can be selected because the circuit has 1 chroma input.5/5. The FM-PLL demodulator can be set to centre frequencies of 4. AM demodulator without extra reference circuit The mono intercarrier sound circuit has a selective FM-PLL demodulator which can be switched to the different FM sound frequencies (4.and the color decoder Multi-standard color decoder with automatic search system and various “forced mode” possibilities Internal base-band delay line Indication of the Signal-to-Noise ratio of the incoming CVBS signal Linear RGB/YPBPR input. <Document ID> Product data sheet © NXP B. Integrated luminance delay line with adjustable delay time Only one reference (24.UOC-TOP-64 N1 series NXP Semiconductors Signal processor for CRT TV 2.576 MHz) crystal required for the m-Controller. CVBS3/Y3 input available in combination with the G/Y-3 input pin.1. 1 CVBS output. Scan Velocity Modulation output.1 Overview of available features (AV-110/90 and Mono-110 concept) Multi-standard vision IF circuit with alignment-free PLL demodulator Internal (switchable) time-constant for the IF-AGC circuit Switchable group delay correction and sound trap (with switchable centre frequency) for the demodulated CVBS signal Separate Second Sound IF output or FM demodulator output without de-emphasis available. 0. Automatic Y/C signal detector.72/5. NXP Semiconductors UOC-TOP-64 N1 series Signal processor for CRT TV Picture improvement features with peaking (with switchable centre frequency. 2007. All features are available for CVBS. simple alignment of the cutoff level is possible.and black stretching. No horizontal geometry processing and Scan Velocity Modulation output.1. RGB control circuit with ‘Continuous Cathode Calibration’. white point and black level off-set adjustment so that the color temperature of the dark and the light parts of the screen can be chosen independently. CVBS output. which can also be switched into two mono sound inputs.1. Adjustable ‘wide blanking’ of the RGB outputs Horizontal synchronization with two control loops and alignment-free horizontal oscillator Vertical count-down circuit Vertical driver optimized for DC-coupled vertical output stages Horizontal and vertical geometry processing with horizontal parallelogram and bow correction and horizontal and vertical zoom The IC can be used as front-end for Progressive Scan or LCD TV receivers Low-power start-up of the horizontal drive circuit 2. Option to make a colored and in contrast reduced window. When this ‘Continuous Cathode Calibration’ is not used. this output can only be used as monitor video output or as front-end video output. 0. Only basic video processing.V.1. Stereo output (with volume and AVL) for audio power amplifiers. bass and loudness controls 2. All rights reserved.3 Features of the AV-110 and Mono-110 concept which are not available in the AV-90 concept Horizontal geometry processing and Scan Velocity Modulation output 2. variable pre-/overshoot ratio and video dependent coring). variable positive/negative peak ratio. a mono output for SCART/CINCH with the possibility to serve as front/monitor audio output.4 Differences in feature list for the MONO-90 concept compared with AV-110/90 and Mono-110 concept Audio switch circuit with 1 stereo input. <Document ID> Product data sheet © NXP B. black stretching and gamma control. This stereo output can also be switched to one mono loudspeaker output and one fixed mono sound output. depeaking.2 Features of the AV-110/90 concept which are not available in the Mono-110 concept Analog audio tone control circuit with treble. dynamic skin tone control. The remaining video features are peaking with coring. gamma control and blue. Rev. Y/C and RGB/YPBPR signals The effect of the various features can de demonstrated by means of a ‘split screen’ mode in which the features are activated in one half of the picture and switched off in the other half Switchable DC transfer ratio for the luminance signal Tint control for external RGB/YPBPR signals Contrast reduction possibility during mixed-mode of OSD and Text signals.11 — 25 January 2007 3 of 230 . 2 Micro-Controller 80C51 m-controller core standard instruction set and timing 0. Idle and Power Down modes Up to 13 general-purpose I/O pins 14 bits PWM for Voltage Synthesis Tuning 8-bit A/D converter with 4 multiplexed inputs 4 PWM (6-bits) outputs for analogue control functions 2. 2007. G2 and G3 characters Signal quality detector for video and WST/VPS data types Comprehensive teletext language coverage Vertical Blanking Interval (VBI) data capture of WST data <Document ID> Product data sheet © NXP B.3 Data Capture (Teletext and Closed Caption devices) Text memory for 1 page Inventory of transmitted Teletext pages stored in the Transmitted Page Table (TPT) and Subtitle Page Table (SPT) Data Capture for US Closed Caption Data Capture for 525/625 line WST. Interrupt controller for individual enable/disable with two level priority Two 16-bit Timer/Counter registers One 24-bit Timer (16-bit timer with 8-bit Pre-scaler) 16-bit Data pointer WatchDog timer Auxiliary RAM page pointer Stand-by.9766 ms machine cycle maximum of 80 k x 8-bit late programmed ROM maximum of 3 k x 8-bit Auxiliary RAM I2C byte level bus interface. 0. VPS (PDC system A) and 625 line Wide Screen Signalling (WSS) bit decoding Automatic selection between 525 WST/625 WST Automatic selection between 625 WST/VPS on line 16 of VBI Real-time capture and decoding for WST Teletext in Hardware.V.11 — 25 January 2007 4 of 230 . to enable optimized m-processor throughput Automatic detection of FASTEXT transmission Real-time packet 26 engine in Hardware for processing accented. All rights reserved.NXP Semiconductors UOC-TOP-64 N1 series Signal processor for CRT TV 2. Rev. 5 WST and US Close Caption Single/Double/Quadruple Width and Height for characters 64 software redefinable On-Screen display characters G1 Mosaic graphics.4.1 Features of the OSD-only devices Up to 4 character sets with 256 characters each (size 16 pixels x 18 lines) Enhanced OSD modes 50Hz/60Hz display timing modes Serial and Parallel Display Attributes Single/Double Width and Height for characters Scrolling of display region Variable flash rate controlled by software Enhanced display features including overlining.2 Features of the Teletext and Closed Caption devices Four character sets Up to 576 characters with a size of 12 pixels x 16 lines are supported Teletext and Enhanced OSD modes 50Hz/60Hz display timing modes Serial and Parallel Display Attributes Scrolling of display region Variable flash rate controlled by software Soft colors using CLUT with 4096 color palette Global selectable matrix: (12) Features of level 1.4.V. allowing four colors per character 2. Limited G3 Line drawing characters WST Character sets and Closed Caption Character set in single device Curtaining effect via software Fringing (Shadow) selectable from N-S-E-W direction Fringe color selectable Contrast reduction of defined area with option of coloration Programmable Cursor Special Graphics Characters with two planes. All rights reserved.5x characters (18/24) Globally selectable character spacing Fringing (Shadow) selectable from N-S-E-W direction Fringe color selectable Contrast reduction of defined area with option of coloration Programmable Cursor Special Graphics Characters with two planes.11 — 25 January 2007 5 of 230 . allowing four colors per character <Document ID> Product data sheet © NXP B. 2007. underlining and italics Soft colors using CLUT with 4096 color palette Global selectable matrix: (12/16) By attribute selectable: 1. 0. Rev.4 Display 2.UOC-TOP-64 N1 series NXP Semiconductors Signal processor for CRT TV 2. The AV-110/90 and Mono-110 versions need a supply voltage of 8 V. 0. UNIT VP analogue supply voltage VSP 4.7 V Vo(IFVO)(p-p) demodulated CVBS output (peak-to-peak value) 2.0 1. TYP. Quick reference data Table 1: Quick reference data SYMBOL PARAMETER MIN.3 V).3 3.0 V).4 V ViCHROMA(p-p) external chroma input voltage (burst amplitude) (peak-to-peak value) 0.3 V).0 8.5 mA IPAudio supply current (8.0 V ViPB(p-p) PB input signal (peak-to-peak value)[2] 0. Rev.0 3.1 W ViVIFrms) video IF amplifier sensitivity (RMS value) 75 150 PV ViSSIF(rms) sound IF amplifier sensitivity (RMS value) 1.7 V ViPR(p-p) PR input signal (peak-to-peak value)[2] 0. [2] The YPBPR input signal amplitudes are based on a color bar signal with 100% saturation. 2007. AV110/90 and Mono110 versions 70 mA VPAudio[1] audio supply voltage 4. Mono90 version 50 mA IDDA supply current (3.2 V IoHOUT horizontal output current 10 mA IoVERT vertical output current (peak-to-peak value) 1 mA IoEWD EW drive output current 1.0 V).2 mA Supply Input voltages Output signals Vo(AMOUT)(rms) Vo(AUDIO)(rms) [1] [1] The supply voltage for the analogue audio part of the mono-90 version can be 5V or 8V.0 mV ViAUDIO(rms) external audio input (RMS value) 1. <Document ID> Product data sheet © NXP B.7 0.4 V IPAudio[1] supply current (5.3 1.7 8.UOC-TOP-64 N1 series NXP Semiconductors Signal processor for CRT TV 3.0 1.0 V Vo(CVBSO)(p-p) selected CVBS output (peak-to-peak value) 2.V. AV-110/90 and mono-110 version 10 mA Ptot total power dissipation 1.0 V Vo(QSSO)(rms) sound IF intercarrier output (RMS value) 100 mV demodulated AM sound output (RMS value) 250 mV non-controlled audio output signals (RMS value) 1. mono-90 version 0.6 V IDDA supply current (3.0 V Io(AGCOUT) tuner AGC output current range 0 1 mA VoRGB(p-p) RGB output signal amplitudes (peak-to-peak value) 1.0/8.3 V IP supply current (5.3 V ViCVBS(p-p) external CVBS/Y input (peak-to-peak value) 1. For a supply voltage of 8V the maximum output signal amplitude is 2 Vrms.8 V ViY(p-p) luminance input signal (peak-to-peak value) 1.0 5.7 5.0 V) 160 mA VDDA digital supply VSP / analogue supply periphery 3.11 — 25 January 2007 6 of 230 . For a supply voltage of 5V the maximum signal amplitudes at in and outputs are 1Vrms.0 V ViRGB(p-p) RGB inputs (peak-to-peak value) 0. MAX. All rights reserved. CCC/BLACK ADJ. ADJ. SOUND TRAP GROUP DELAY VIDEO AMP. H/V H-OUT VISION IF/AGC/AFC PLL DEMOD. 0. CIRN WHITE-P. CSO // H/VDISPO MODULATION SCAN VELOCITY PEAKING I2C-BUS RESET CLK GENERATION AUDIO SELECT SCART/CINCH IN IREF CORB VDS R/G/B IREFRGB H/VDISPI CSI CVBS IN CVBSREF SDA/SCL TMSEL CLKO I/Os 5. 9 of 230 . AM DEMODULATOR AVL/SSIFOUT/FMDEMOUT NXP Semiconductors UOC-TOP-64 N1 series Signal processor for CRT TV Block diagram P-PROCESSOR / TELETEXT DECODER / OSD BCLIN BLKIN/SVM/ VGUARD **) The mono-110 version has only volume control and no tone control functions Block diagram of the “AV-110/90” and “MONO-110” TV processor © NXP B.Fig 1. SOUND-DOWNMIXER EHTO REF // R RGB/YPRPB SWITCH AM FM B3/ PB-3 GAMMA CONTROL BRI CON. DELAY LINE BASE-BAND DECODER PAL/SECAM/NTSC DEEMPHASIS SOUND PLL SECAM L LS/SCART/CINCH -OUT /// CLKI // RO/ GO/ BO/ PR Y PB IREFO RGB CONTROL OSD/TEXT INSERT /// CONTR/BRIGHTN INS. 2007. VIDEO FILTERS VIDEO SWITCH VIDEO IDENT.V. U/V TINT SATURATION RGB MATRIX BLUE/BLACK-STRETCH SKIN TONE AVL LS AUDIO OUTPUT VOLUME/TONE**) CONTROL SAT G3/ Y-3 EWD/AVL R3/ CVBS3/ PR-3/ Y3 C2/C3/C4 V-DRIVE GEOMETRY & EAST-WEST VERTICAL Y DELAY ADJ. + PLL 2nd LOOP H-SHIFT H-DRIVE H/V SYNC SEP. All rights reserved. Product data sheet CVBS4/Y4 AUDIOIN5L C2/C3/C4/ AUDIOIN5R CVBS2/Y2 YSYNC VIFIN AGCOUT IFVO/SVO/PIP <Document ID> Rev.11 — 25 January 2007 H-OSC. SOUND TRAP GROUP DELAY VIDEO AMP. ADJ. DELAY LINE BASE-BAND DECODER REF // L AVL RGB/YPRPB SWITCH SAT B3/ PB-3 GAMMA CONTROL BLACK-STRETCH RGB MATRIX SATURATION LS AUDIO OUTPUT VOLUME/AVL CONTROL G3/ Y-3 R3/ CVBS3/ PR-3/ Y3 C2/C3/C4 EHTO PAL/SECAM/NTSC DEEMPHASIS SOUND PLL SECAM LS/SCART/CINCH -OUT BRI CON. 0. 2007. Product data sheet CVBS4/Y4 C2/C3/C4/ CVBS2/Y2 YSYNC VIFIN AGCOUT IFVO/SVO <Document ID> Rev.V. All rights reserved. AM FM /// CLKI // RO GO BO IREFO RGB CONTROL OSD/TEXT INSERT /// CONTR/BRIGHTN INS. CIRN WHITE-P. CSO // H/VDISPO CORING PEAKING I2C-BUS RESET CLK GENERATION AUDIO SELECT SCART/CINCH IN IREF CORB VDS R/G/B IREFRGB H/VDISPI CSI CVBS IN CVBSREF SDA/SCL TMSEL CLKO I/Os NXP Semiconductors UOC-TOP-64 N1 series Signal processor for CRT TV P-PROCESSOR / TELETEXT DECODER / OSD BCLIN BLKIN/VGUARD Block diagram of the “MONO-90” TV processor © NXP B. 10 of 230 . SOUND-DOWNMIXER AM DEMODULATOR AVL/SSIFOUT/FMDEMOUT V-DRIVE VERTICAL Y DELAY ADJ. + PLL 2nd LOOP H-SHIFT H-DRIVE H/V SYNC SEP. CCC/BLACK ADJ. H/V H-OUT VISION IF/AGC/AFC PLL DEMOD. VIDEO FILTERS VIDEO SWITCH VIDEO IDENT.11 — 25 January 2007 H-OSC.Fig 2. 0 or ADC0 input or PWM0 output port 2.3 or Counter/Timer 1 input port 1.2/ADC2/PWM2 P3.1/ADC1/PWM1 P3. 0. Pinning information Table 6: Pinning information SYMBOL IFVO/SVO/PIP [3] IFVO/SVO [3] VP2 VCC8V PLLIF GND2 DECSDEM AVL/SSIFOUT/SNDDEMOUT[2] EHTO AGCOUT IREF VSC VIFIN2 VIFIN1 VDRA VDRB EWD/AVL AVL DECBG SECPLL GND1 PH1LF PH2LF VP1 DECDIG XTALOUT XTALIN P1.6/SCL P1. Rev.11 — 25 January 2007 11 of 230 . 2007.3V) 40 SDIP64 DESCRIPTION AV-90 Mono-90 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 40 IF video output / selected CVBS output / PIP output IF video output / selected CVBS output 2nd supply voltage TV processor (+5 V) 8 Volt supply for audio switches IF-PLL loop filter ground 2 for TV processor decoupling sound demodulator AVL / Second sound IF output / sound demodulator output EHT/overvoltage protection input tuner AGC output reference current input vertical sawtooth capacitor IF input 2 IF input 1 vertical drive A output vertical drive B output East-West drive output / AVL capacitor AVL capacitor bandgap decoupling SECAM PLL decoupling ground 1 for TV-processor phase-1 filter phase-2 filter 1st supply voltage TV-processor (+5 V) decoupling digital supply crystal oscillator output crystal oscillator input port 1. All rights reserved.0/ADC0/PWM0 P2.3V) P1.3/T1 P1.7/SDA P1.5 port 3.5 AV-110 Mono-110 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 VDDC(3.0/INT1 INT0/P0.UOC-TOP-64 N1 series NXP Semiconductors Signal processor for CRT TV 6.0 or external interrupt 1 external interrupt 0 or port 0.1/PWM0 P2.1 or PWM0 output port 2.3/ADC3/PWM3 P3.5 (4 mA current sinking capability for direct drive of LEDs) supply <Document ID> Product data sheet © NXP B.2 or ADC2 input or PWM2 output port 3.6 or I2C-bus clock line port 1.V.3V) port 1.7 or I2C-bus data line port 1.1 or Counter/Timer 0 input port 1.3 or ADC3 input or PWM3 output port 3.1/T0 P1.0/TPWM VDDP(3.1 or ADC1 input or PWM1 output port 3.0 or Tuning PWM output supply to periphery (3.5 P3. More details are given in Table 7.V. Rev.UOC-TOP-64 N1 series NXP Semiconductors Signal processor for CRT TV Table 6: Pinning information SYMBOL GND5 VPE VDDA1(3. 2007.3V) BO/PBOUT BO GO/YOUT GO RO/PROUT RO BLKIN/VGUARD/SVM [1][6] AV-110 Mono-110 41 42 43 44 45 46 47 BLKIN/VGUARD [1][6] BCLIN B3/PB3 G3/Y3/CVBS3/Y3 [1] R3/PR3/C2/C3/C4 [1] YOUT YSYNC VP3 GND3 HOUT FBISO/SANDCA AUDOUTSM2/LSR SDIP64 DESCRIPTION AV-90 Mono-90 41 42 43 44 45 46 41 42 43 44 45 46 48 49 50 51 52 53 54 55 56 57 58 47 48 49 50 51 52 53 54 55 56 57 58 47 48 49 50 51 52 53 54 55 56 57 58 AUDOUTLSM1/LSL 59 59 59 C2/C3/C4/AUDIOIN5R [1] C2/C3/C4 AUDIOIN3/IN1R [5] CVBS2/Y2 AUDIOIN2/IN1L/SSIF [4][5] CVBS4/Y4/AUDIOIN5L [1] CVBS4/Y4 60 61 62 63 64 60 61 62 63 64 60 61 62 63 64 ground OTP Programming Voltage supply voltage Blue output / PB output Blue output Green output / Y output Green output Red output / PR output Red output black current input / vertical guard / scan velocity modulation output black current input / vertical guard beam current limiter input 3rd B input / PB input 3rd G input / Y input / CVBS input / Y input 3rd R input / PR input / C2/3/4 input Y-output (for YUV interface) Y-input for sync separator supply voltage (5 V) ground connection horizontal output flyback input/sandcastle output audio output for audio power amplifier (right signal) or fixed audio output for mono applications audio output for audio power amplifier (left signal) or speaker output for mono applications chroma-2/3/4 input / audio 5 right input chroma-2/3/4 input audio 3 input / right stereo input CVBS2/Y2 input audio 2 input / left stereo input / sound IF input CVBS4/Y4 input / audio 5 left input CVBS4/Y4 input [1] The function of these pins is dependent on some I2C-bus control bits. 0. vertical guard input and SVM output (AV-110/90 and Mono-110 versions) have been combined on this pin. the end of the vertical guard protection pulse during normal operation should not overlap the measuring pulses. For a reliable operation of the protection system and the black current stabilization system or SVM system. All rights reserved.11 — 25 January 2007 12 of 230 . [2] The function of this pin is selected by means of the CMB2-0 bits [3] The function of this pin is selected by means of the SVO1-0 bits [4] The SSIF input is selected by means of the SSIFM bit [5] The choice between two mono inputs or one stereo input is realized by means of the bits SAS3-0 [6] The black current input. <Document ID> Product data sheet © NXP B. Therefore this pulse must end before line 14. 1/14 . 7564264 STMicroelectronics Confidential This is preliminary information on a new product now in development. provides up to 2. Details are subject to change without notice. The internal flyback generator delivers flyback voltages up to 75 V. a stand-by state will be reached by stopping the (+) supply alone. Input (Non Inverting) Output Stage Supply Output Ground Or Negative Supply Flyback Generator Supply Voltage Input (Inverting) 7 6 5 4 3 2 1 The STV8172A is a vertical deflection booster designed for TV and monitor applications.STV8172A ® Vertical Deflection Booster for 3-APPTV/Monitor Applications with 75-V Flyback Generator PRODUCT PREVIEW Main Features ■ Power Amplifier HEPTAWATT (Plastic Package) ORDER CODE: STV8172A ■ Flyback Generator ■ Stand-by Control ■ Output Current up to 3 App ■ Thermal Protection Description This device.0 ADCS No. Non-Inverting Input Output Stage Supply Flyback Generator Supply Voltage 6 3 2 Flyback Generator 7 + Power Amplifier Inverting Input 5 Output - 1 Thermal Protection STV8172A 4 Ground or Negative Supply August 2003 Revision 1. supplied with up to 35 V.5 App output current to drive the vertical deflection yoke. Tab connected to pin 4 In double-supply applications. Note 4 ±5 A ESD1 Human body model (100 pF discharged through 1.Note 5 ±2 A Sink Current.4 to (VS + 2) or +40 V Voltage VS V5. This must be taken into consideration when setting VS.Note 2 70 V -0. This non-repetitive output peak current can be observed. Such repetitive output peak currents are usually observed just before and after the flyback pulse. All pins have a reverse diode towards pin 4. these diodes should never be forward-biased. Junction Temperature 120 °C STMicroelectronics Confidential . during the Switch-On/SwitchOff phases. 5. Input voltages must not exceed the lower value of either VS + 2 or 40 volts.0. t < 1ms 2 A Flyback pulse current at f=50 to 200 Hz.Note 4 ±5 A I0 (2) Output Peak Current non-repetitive .Absolute Maximum Ratings 1 STV8172A Absolute Maximum Ratings Symbol Parameter Value Unit Supply Voltage (pin 2) . Versus pin 4 3. V7 Voltage at Pin 3 .5 kW) 2 kV ESD2 EIAJ Standard (200 pF discharged through 0 W) 300 V I3 Sink I3 Source I3 ESD Susceptibility Temperature Ts Storage Temperature -40 to 150 °C Tj Junction Temperature +150 °C Note:1.Note 2. V6 V3 V1. V3 is higher than VS during the first half of the flyback pulse. t<1ms . 2 Thermal Data Symbol RthJC 2/14 Parameter Junction-to-Case Thermal Resistance Value Unit 3 °C/W TT Temperature for Thermal Shutdown 150 °C TJ Recommended Max. for example.Note 3 2 A Source Current. Usually the flyback voltage is slightly more than 2 x VS. 7. t £ 10μs .4 to (VS + 3) V . 6. This peak current is acceptable providing the SOA is respected (Figure 8 and Figure 9). 4. 2. Note 3 and Note 6 Amplifier Input Voltage . t£10ms .Note 1 and Note 2 40 V Flyback Peak Voltage . Note 6 and Note 7 Current I0 (1) Output Peak Current at f = 50 to 200 Hz.Note 2. Typ. Stand-by condition.6 -1.2 V.3 V VD3-2 Diode Forward Voltage between pins 3-2 I3 = 1. 9.2 V V3SL Saturation Voltage on pin 3 I3 = 20 mA 0.5 A 1 1. V6 =35v I1 Input Bias Current V1 = 1 V.2 V 10 8 Input VIR Operating Input Voltage Range VI0 Offset Voltage 2 mV Offset Drift versus Temperature 10 μV/°C DVI0/dt 0 Output I0 Operating Peak Output Current 0o<Tcase<125oC V5L Output Saturation Voltage to pin 4 I5 = 1.5 A Output Voltage in Stand-by V1 = V7 = VS = 0 See Note 9 ±1. TAMB = 25°C.8 V 3 8. I5 = 0. (VS . unless otherwise specified) Symbol Parameter Test Conditions Min.5 A 1.5 A 1. V7 = 2.4 1 V V3SH Saturation Voltage to pin 2 (2nd part of flyback) I3 = -1.8 2. Therefore. In normal applications.7 V 3 1.2 V 80 dB Miscellaneous G Voltage Gain VD5-6 Diode Forward Voltage Between pins 5-6 I5 = 1.3 V 2 Stand-by V5STBY VS .2 V .5 μA VS .6 -1. 35 V 5 20 mA 1 19 50 mA 1 1 Supply VS Operating Supply Voltage Range (V2-V4) Note 8 I2 Pin 2 Quiescent Current I3 = 0.5 μA I7 Input Bias Current V1 = 2.5 A 2. STMicroelectronics Confidential 3/14 .0.1 2.0.STV8172A 3 Electrical Characteristics Electrical Characteristics (VS = 34 V.6 2.5 A V5H Output Saturation Voltage to pin 6 I5 = -1. Max.V4) = 35 V is not allowed without special circuitry. I5 = 0 I6 Pin 6 Quiescent Current I3 = 0.V4). the peak flyback voltage is slightly greater than 2 x (VS .8 2. V7 = 1 V . Refer to Figure 4. Unit Fig. 2V 5 STV8172A 1 .6kW 1V (b): I1 measurement Figure 2: Measurement of V5H +Vs 6 2 V5H 7 2.I5 1V 4 Figure 3: Measurement of V3L and V5L +Vs I3 or I5 6 2 7 (b) (a) 3 1V STV8172A 5 1 2.Electrical Characteristics STV8172A Figure 1: Measurement of I1.2V 39kW STV8172A (a) S 1 (b) 4 I1 (a): I2 and I6 measurement 5. I2 and I6 +Vs I2 I6 6 2 5 7 2.2V V3L 4 (a): V5L measurement (b): V3L measurement 4/14 STMicroelectronics Confidential V5L . 1 Ly Ly ------------. where the feedback loop maintains V1 = V7.22μF 1 R3 0. A Stand-by state will be reached by switching OFF the positive supply alone.1μF R2 R1 (*) recommended: 4. On the other hand. 2 supply sources (VS and -VEE) are required. In this state.5W Vm -VEE 4 470μF Rd(*) Yoke Ly 0.1. the output will sink negligible current from the deviation coil.STV8172A 4 Application Hints Application Hints The yoke can be coupled either in AC or DC. where both inputs are the same voltage as pin 2 or higher. treat the IC as an op-amp.1 DC-coupled Application When DC coupled (see Figure 4). STMicroelectronics Confidential 5/14 .< Rd < ------------50ms 20ms Application Hints For calculations. the display vertical position can be adjusted with input bias. Figure 4: DC-coupled Application +Vs 470μF 6 Vref Vertical Position Adjustment Output Voltage CF (47 to 100μF) 0.1μF 3 2 Output Current Flyback Generator Ip Power Amplifier 7 + 5 VM - Thermal Safety 1. 4. 1 Centering Display will be centered (null mean current in yoke) when voltage on pin 7 is (R1 is negligible): VM + Vm æ R2 ö V 7 = -----------------------. if you manage to apply the same fraction of ripple voltage to both booster inputs. then R3 = 15 kW Finally.2 Ripple Rejection When both ramp signal and bias are provided by the same driver IC. R7 should be connected to the booster reference point.´ ç ----------------------÷ 2 è R 2 + R 3ø 4. if R2 = 10 kW.= ---. you can gain natural rejection of any ripple caused by a voltage drop in the ground (see Figure 5).1.2 Peak Current ( VM – V m ) R2 I P = ----------------------------.1. such that (R8 / R7) = (R3 / R2).1. VM = 5 V and IP = 1 A Choose R1 in the1 W range. For that purpose.1.´ ----------------.´ -------.= ----------------------------. Of course.= 1. which is the ground side of R1. for instance R1=1 W R2 2 ´ IP ´ R1 2 ------.Application Hints STV8172A 4.1. For instance.4V 2 2.5 2 R 3 1 + ------R2 4.´ ------------------R xR 2 1 3 Example: for Vm = 2 V. Figure 5: Ripple Rejection 6 3 2 Flyback Generator Reference Voltage Power Amplifier 7 R9 R8 + 5 R7 1 - Thermal Safety Rd 4 Ramp Signal R3 R2 Driver Ground 6/14 STMicroelectronics Confidential Source of Ripple R1 Yoke Ly .= --R3 3 V M – Vm From equation of peak current: Then choose R2 or R3. and connect the bias filtering capacitor between the intermediate point and the local driver ground. the bias voltage on pin 7 should be: VM + Vm 7 1 1 V 7 = -----------------------. arrange an intermediate point in the bias resistor bridge. Figure 6: AC-coupled Application +Vs CF (47 to 100μF) 0.– V 7 V – -----------------------.2.+ ------.1 Rd(*) Yoke Ly 0.+ ------------------------÷ 2 ´ R 2 ( R + R ) è 3 ø 4 5 STMicroelectronics Confidential 7/14 .ö = èR R2 R + R ø 3 4 5 V +V ö V æ M m S ç -----------------------------. For good output centering.´ ---------------------R1 ´ R3 2 Choose R1 then either R2 or R3.+ ------R3 R2 R4 + R5 or 1 1 1 V 7 ´ æ ------.< Rd < ------------20ms 50ms Cs R4 CL R2 R1 Application Hints Gain is defined as in the previous case: R V –V 2 M m I p = -----------------------.STV8172A 4.+ ---------------------. V7 must fulfill the following equation: V +V V M m S -------.5W 4 R5 (*) recommended: 4. only one supply (VS) is needed.V 7 2 7 2 ---------------------.2 Application Hints AC-Coupled Applications In AC-coupled applications (See Figure 6).= -------------------------------------.1μF 470μF 6 3 Output Voltage 2 Output Current Flyback Generator Ip Power Amplifier 7 + 5 VM Vm - Thermal Safety 1. The vertical position of the scanning cannot be adjusted with input bias (for that purpose. usually some current is injected or sunk with a resistor in the low side of the yoke).22μF 1 R3 Ly Ly ------------. (ip) = 2 ip. 4ip.Application Hints STV8172A CS performs an integration of the parabolic signal on CL. and the peak-peak differential signal.3 Application with Differential-output Drivers Certain driver ICs provide the ramp signal in differential form.ip.) 2 ● icm is the common-mode current: ● at peak of signal.with opposite variations. i+ = icm + ip and i. 8/14 STMicroelectronics Confidential .1μF R2 (*) recommended: R1 Ly Ly -------------.( i + + i .1μF 6 3 2 Differential output driver IC Output Current Flyback Generator Ip Power Amplifier ip icm + 7 + 5 R7 -ip icm - Thermal Safety 1. therefore the peak differential signal is ip . 4.< Rd < -------------50ms 20ms Let us set some definitions: 1 i cm = --.5W - -VEE 4 470μF Rd(*) 0. therefore the amount of S correction is set by the combination of CL and Cs.22μF 1 Yoke Ly 0. as two current sources i+ and i. Figure 7: Using a Differential-output Driver +Vs 470μF Output Voltage CF (47 to 100μF) 0. The application is described in Figure 7 with DC yoke coupling.= icm . The calculations still rely on the fact that V1 remains equal to V7. . . . resistance to earth ok ? No Check the load of B+ Yes Check Q402 collector C resistance to earth ok? Yes Replace Q402 . Yes Yes Cheek Replace Q801 Figure2 Replace D809~D812 / No Raster Abnormal +B No raster abnormal + B Is the + B.Chassis: NX56 Colour Television Figure 1 Fuse Blown Fuse Blown Is the drain of Q801 shorted to earth? No Is D801~D804 OK? No Check IC801 and the peripheral components. +B OK No raster + B Voltage OK Replace IC201 Replace Q402 NO Is the voltage of Pin8 IC202 5v No Is the H-out waveform at PIN 56 of IC201 OK? Yes Yes Check the waveform at static working point of Q402. . Replace IC601 No No Yes Is the waveform at P57 P58 of No IC201 ok? Yes Check the circuit between IC601 and IC201 Replace IC201 Check supply IC601 power of Yes Is it mute at Pin 7 of IC601? Yes Check/Replace Q602. Is there interference noise from the speaker. No Is the resistance to earth of pin8 if IC201 ok No Replace IC201 Figure 4 No Sound No sound Ye Is the speaker OK ? Replace the speaker NO Apply the pointer of multimeter at RX1K ¡ connect one probe to GND. use another to touch P12.Chassis: NX56 Colour Television Figure3 No Raster.Q600. P4 of IC601. Chassis: NX56 Colour Television Figure 5 No Vertical Scanning Yes Yes Is both +14V and -14V ok? No Is the signal at P1 of IC301 ok? No Check/Replace IC301 No Check/Replace . TV hasn’t Picture. D411 Check signal at P14/P15 ofYes IC201 Check between IC201 Check/Replace IC201 the circuit IC301 and Figure 6 No Picture Check +8V. Check tuner working is ok? No Check tuner TU100 Yes Check Q101 and SAW filter Yes Check circuit between SAW and IC201 . AV hasn’t Picture. No Picture Check is there AV signal No to IC201 form AV input Check AV Signal input Yes Check IC201 AV has Picture. +200V TV&AV haven’t Picture Ok No Check RGB signal Check is there RGB signal to CRT BD forom IC201 Check P44. D410.45 P46 of IC201Ok and the relative circuit Check CRT BD Replace IC201 TV has Picture. &5 71. 75)/0+)$. 75)/00+)$.$. )* -6.'.$. &%-1.&5 71. $+4-6.$. :-% /. )) -6. 75)/00+)$. %)%.$.%26 715$%6.$. 15&$$$ $+5 -6. $/5-. 75)/0)+)$. 75)/00+)$. 75)/0+)$.&5 71.$. 75)/00+)$.&5 71.1. 75)/00+)$.$. %)%. 75)/0)+)$. 75)/0)+)$. 75)/00+)$. 75)/00+)$.$. 5)/0+)$ +. 6&%. 71. %)%.$.$..&5 71.&5 71. )* -6. &'-1.&5 71.$.&5 71.$. )) -6. )6$.&5 71. 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