Toshiba 42WP37C Service Manual

Plasma display
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SERVICE MANUAL

Plasma Display

FILE NO. 010-200325
42WP37C
42WP37E
42WP37F
42WP37H
Mar. 2004 (YC)

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Summary of Contents for Toshiba 42WP37C

  • Page 1: Plasma Display

    FILE NO. 010-200325 SERVICE MANUAL Plasma Display 42WP37C 42WP37E 42WP37F 42WP37H Mar. 2004 (YC)
  • Page 2: Table Of Contents

    42WP37 CONTENTS Page Page 1 Applicable signals Replacement panel handling precautions and replacement procedure 2 Safety Precautions 14 Parts Location 2.1. General Guidelines 15 Chassis and Cabinet Replacement Parts List 3 Prevention of Electro Static Discharge (ESD) to 16 Specifications Electrostatically Sensitive (ES) Devices 4 About lead free solder (PbF) Appendix...
  • Page 3: Applicable Signals

    42WP37 1 Applicable signals – 3 –...
  • Page 4: Safety Precautions

    42WP37 2 Safety Precautions 2.1. General Guidelines 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
  • Page 5: Prevention Of Electro Static Discharge (Esd) To

    42WP37 3 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"...
  • Page 6: About Lead Free Solder (Pbf)

    42WP37 4 About lead free solder (PbF) Note: Lead is listed as (Pb) in the periodic table of elements. In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder. The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu). That is Tin (Sn), Silver (Ag) and Copper (Cu) although other types are available.
  • Page 7: Pcb Structure Sheet Of Gp6D Chassis

    42WP37 5 PCB Structure sheet of GP6D chassis Board Name Function Remarks Digital Signal Processor Slot Interface & SYNC processor Audio out, DC-DC converter Sustain Out Scan out Scan connection (Upper) Scan connection (Lower) Data Drive (Lower Right) Data Drive (Lower Left) Speaker terminal Power switch Sustain connection (Upper)
  • Page 8: Service Hint

    42WP37 6 Service Hint – 8 –...
  • Page 9: Location Of Lead Wiring

    42WP37 7 Location of Lead Wiring – 9 –...
  • Page 10: Adjustment Procedure

    42WP37 8 Adjustment Procedure 8.1. Driver Set-up 8.1.1. Item / Preparation 1. Input an APL 100 % white signal. 2. Set the picture controls: - Picture mode: Normal White balance: Cool Aspect: 16:9 8.1.2. Adjustments Adjust driver section voltages referring the panel data on the panel data label.
  • Page 11: Initialization Pulse Adjust

    42WP37 8.2. Initialization Pulse Adjust 1. Input a Cross hatch signal. 2. Set the picture controls: - Picture mode: Normal White balance: Cool Adjust the indicated test point for the specified wave form. Test point Volume Level TPSC1 (SC) R6557 (SC) 170 ±...
  • Page 12: Printed Circuit Board) Exchange

    42WP37 8.3. P.C.B. (Printed Circuit Board) exchange 8.3.1. Caution 1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors. 8.3.2. Quick adjustment after P.C.B. exchange P.C.B. Name Test Point Voltage Volume Remarks P Board Vsus TPVSUS (SS) Vsus* ±...
  • Page 13: Service Mode

    42WP37 9 Service mode 9.1. CAT (computer Aided Test) mode To exit the CAT mode, access the ID mode and switch off the main power. 9.1.1. IIC mode Select the IIC mode by Up/Down button on the remote control at the front page of CAT mode then press the Action button on the remote control.
  • Page 14: Cd Mode

    42WP37 9.1.2. CD mode Select the CD mode by Up/Down button on the remote control at the front page of CAT mode then press the Mute button on the remote control more than 5 sec. Micom software version (IC9705), this version can be upgrade by 1.
  • Page 15: Iic Mode Structure (Following Items Value Is Sample Data.)

    42WP37 9.2. IIC mode structure (following items value is sample data.) – 15 –...
  • Page 16: Alignment

    42WP37 10 Alignment 10.1. 625i/625p panel white balance INPUT Equipment Setting Alignment menu Procedure 1 PC (625i) Color Picture: 1) Find the nearest area to brightness of 10 cd/m as Low Gray Scale Analyzer Normal Sub Adjust light by color sensor. Pattern White balance: Sub Bright 2) Adjust Sub bright to set Low light level to 10 cd/m...
  • Page 17 42WP37 Equipment Setting Alignment menu Procedure PC (525i) Picture: 1) Write down each color temaparature of R,G,B drive and Normal Cut off data as follows. Aspect: 16:9 White White balance: Balance Cool Normal Warm Cool R Drive Normal G Drive B Drive Warm R Cut off...
  • Page 18: Pc/Rgb Panel White Balance

    42WP37 10.2. PC/RGB panel white balance INPUT Equipment Setting Alignment menu Procedure 1 PC (VGA) Color Picture: 1) Find the nearest area to brightness of 10 cd/m as Low Gray Scale Analyzer Normal Sub Adjust light by color sensor. Pattern White balance: Sub Bright 2) Adjust Sub bright to set Low light level to 10 cd/m Cool...
  • Page 19: Hd Panel White Balance

    42WP37 10.3. HD panel white balance INPUT Equipment Setting Alignment menu Procedure (HD:720i or 1080i) Color Picture: 1) Find the nearest area to brightness of 10 cd/m as Low Gray Scale Analyzer Normal Sub Adjust light by color sensor. Pattern White balance: Sub Bright 2) Adjust Sub bright to set Low light level to 10 cd/m Cool...
  • Page 20: Trouble Shooting Guide

    42WP37 11 Trouble shooting guide 11.1. Self Check 11.1.1. Display Indication 1. Self-check is used to automatically check the bus line controlled circuit of the Plasma display. 2. To get into the Self-check mode, press the volume down button on the customer controls at the front of the set, at the same time pressing the OFF-TIMER button on the remote control, and the screen will show :- If the CCU ports have been checked and found to be incorrect...
  • Page 21 42WP37 11.2.2. Power LED no light – 21 –...
  • Page 22: No Picture

    42WP37 11.3. No Picture No Picture Check D board Composit/ COMPONENT/ RGB PC signal What's signal ? all signal HY/ HZ / HT board D, J board HX board Drive circuits LED indicator SC board SS board D6583 D6769 (15V detection) D6765 –...
  • Page 23: Local Screen Failure

    42WP37 11.4. Local screen failure Plasma display may have local area failure on the screen. Fig - 1 is the possible defect P.C.B. for each local area. Fig - 1 – 23 –...
  • Page 24 42WP37 – 24 –...
  • Page 25: Conductor Views

    42WP37 12 Conductor Views 12.1. PF-Board PF-BOARD TXNPF10QBS C912 LIVE CIRCUIT R927 C904 Q903 R903 D922 TP901 C906 RL901 F902 R923 TP904 L904 T3.15AL250V CAUTION Parts Location D902 PF-BOARD LIVE CIRCUIT T901 IC901 TP901 C913 IC902 TP902 TP903 TRANSISTOR TP904 CAUTION C901 R906...
  • Page 26: P-Board

    42WP37 12.2. P-Board P-BOARD(FOIL SIDE) TNPA2841AB IC558 C587 D595 D579 C586 R613 Q554 R626 R623 D580 C422 R625 D584 D574 R600 C577 IC554 C421 R607 R612 R597 Q552 D594 COLD D585 C584 R601 R627 C581 R628 D575 C591 COLD D576 C571 L554 R599...
  • Page 27 42WP37 P-BOARD(COMPONENT SIDE) TNPA2841AB COLD Q557 Q555 IC558 COLD C422 Q554 IC554 PMM3 R600 Q552 R597 L554 C581 C577 C421 Q553 C590 C572 D574 R628 PMM1 C564 C571 C419 C591 R594 Q558 IC555 R595 C576 Q404 C417 IC403 C565 R605 D660 Vsus R592...
  • Page 28 42WP37 Parts Location Parts Location P-BOARD (FOIL SIDE) P-BOARD (COMPONENT SIDE) TRANSISTOR TRANSISTOR IC401 Q401 TP008 IC401 Q401 TPP1 IC402 Q402 TP009 IC402 Q402 IC403 Q403 IC403 Q403 TP50 IC451 Q404 TP61 IC451 Q404 IC550 Q405 TPP1 IC550 Q406 IC551 Q406 IC551 Q451...
  • Page 29: Hx-Board

    42WP37 12.3. HX-Board HX-BOARD(FOIL SIDE) HX-BOARD(COMPONENT SIDE) TZTNP02SBSE TZTNP02SBSE ORDER NO. CR NO.3 TNPA2842 TNPA2842 SEE REVERSE FOR ORDER NO. CR NO.3 C405 C404 C409 IC502 R400 L526 L555 D502 R589 C523 R778 C563 C524 R788 D504 R789 R794 D506 R586 Q537 C551...
  • Page 30: Hv-Board

    42WP37 12.4. HV-Board Parts Location HV-BOARD TRANSISTOR Parts Location IC3001 Q3001 IC3002 Q3003 HV-BOARD IC3003 Q3005 TRANSISTOR IC3101 IC3102 IC3201 Q3002 IC3103 IC3251 Q3004 IC3104 Q3006 IC3105 Q3007 IC3301 Q3051 IC3302 Q3052 IC3303 Q3101 IC3304 Q3102 IC3305 Q3104 IC3699 RTB031 RTB031 HV-BOARD(FOIL SIDE) HV-BOARD(COMPONENT SIDE)
  • Page 31: Hz-Board

    42WP37 12.5. HZ-Board Parts Location HZ-BOARD IC3001 TP032 IC3002 TP033 TP034 TRANSISTOR Parts Location TP035 TP036 Q3001 HZ-BOARD Q3002 IC3002 RTB033 RTB033 HZ-BOARD(FOIL SIDE) HZ-BOARD(COMPONENT SIDE) TXNHZ10RCS TXNHZ10RCS TNPA2952 ORDER TP034 TP036 CR NO.3 JS009 JS007 C022 JS008 R038 JS010 R040 R041 R042...
  • Page 32: Ht-Board

    42WP37 12.6. HT-Board Parts Location Parts Location HT-BOARD HT-BOARD TRANSISTOR TRANSISTOR IC4601 Q3441 IC3301 Q3401 Q3442 IC3305 Q3402 Q3501 IC3311 Q3461 Q3502 IC3441 Q3701 Q3503 IC3501 Q3504 IC3699 Q3505 IC3701 Q3506 IC3702 RTB032 RTB032 HT-BOARD(FOIL SIDE) HT-BOARD(COMPONENT SIDE) TXNHT10QYS TXNHT10QYS TNPA2847 ORDER NO.
  • Page 33: J-Board

    42WP37 12.7. J-Board Parts Location J-BOARD (FOIL SIDE) TRANSISTOR IC8003 Q3001 IC8004 Q3002 Q3003 Q3101 Q3102 Q3103 Q3104 Q3105 Q3106 Q8001 Q8002 J-BOARD (FOIL SIDE) TNPA2826 R951 R3063 D3001 Q3001 ZA3005 ZA3007 R3200 R3203 R3047 R3199 R3202 C3253 C3255 R3045 Q3105 C8037 R3057...
  • Page 34 42WP37 Parts Location J-BOARD (COMPONENT SIDE) TRANSISTOR IC1001 Q3010 IC3001 Q3011 IC3002 Q8010 IC3003 Q8011 IC3004 Q8012 IC3005 Q8013 IC3006 IC3007 IC3108 TPJH1 IC3109 TPJH2 IC3201 TPJV1 IC3251 TPJV2 IC8001 IC8002 IC8003 IC8004 IC8005 IC8006 IC8007 IC8008 IC8009 IC8015 IC8016 IC8020 IC8021 IC951...
  • Page 35: D-Board

    42WP37 12.8. D-Board D-BOARD(FOIL SIDE) TZTNP01SBSE/TZTNP01SBSC R615 R797 R793 IC707 C706 C740 R643 C750 D718 D727 R881 R344 R918 C769 C748 R764 R914 R609 R820 R602 R613 C603 Q709 R614 R809 R676 C734 C724 R581 C754 C726 C756 R884 R677 C733 R836 C601...
  • Page 36 42WP37 D-BOARD(COMPONENT SIDE) TZTNP01SBSE/TZTNP01SBSC C620 C622 R796 R616 C614 C615 C618 TNPA2825 R109 C611 X702 C623 C764 R922 C761 R920 C762 R684 R687 C723 R685 R924 C606 R675 R607 ORDER NO. CR NO.9 C629 D728 R772 IC605 R688 C772 C630 R991 C631 R890...
  • Page 37: C1-Board

    42WP37 12.9. C1-Board C1-BOARD(FOIL SIDE) TNPA2869 TNPA2869 SEE REVERSE FOR ORDERNO. 1 2 3 C1-BOARD(COMPONENT SIDE) TNPA2869 R7186 R7131 C7102 C7101 R7128 R7130 IC7101 R7181 R7105 R7126 L7106 R7165 C1MM2 C1MM1 R7162 R7164 R7166 R7167 R7168 R7169 R7170 R7171 R7172 R7173 C1MM3 R7163 IC7103...
  • Page 38: C2-Board

    42WP37 12.10. C2-Board C2-BOARD(FOIL SIDE) TNPA2870 1 2 3 TNPA2870 C2-BOARD(COMPONENT SIDE) TNPA2870 R7309 L7207 R7270 Q7201 D7202 C2MM2 R7285 L7209 R7260 C2MM1 R7205 D7201 R7305 R7259 R7303 R7258 R7295 R7296 R7297 R7298 R7299 R7300 R7267 R7292 R7293 R7294 C7243 R7301 R7302 R7304 R7257...
  • Page 39: Sc-Board

    42WP37 12.11. SC-Board SC-BOARD(FOIL SIDE) TXNSC10QBS TP41 TP42 TP56 TP57 TP61 TP55 TP63 TP59 TP43 TP40 R510 TP45 SC41 TP44 TP58 TP54 SC42 SC43 TP62 TP60 SC44 R513 R550 Q550 TNPA2867 1 SC 1 2 3 C639 TP37 TP36 L605 SEE REVERSE FOR ORDERNO.
  • Page 40 42WP37 SC-BOARD(COMPONENT SIDE) TXNSC10QBS TPSC1 R510 Q511 SC44 SC43 SC42 SC41 R645 D511 R553 R552 R551 R511 Q550 D543 R550 R653 R654 C581 IC511 R513 Q501 R665 R565 C580 Q546 Q547 Q548 Q549 D489 R666 IC510 Q542 Q543 Q544 Q545 R585 C511 Q503...
  • Page 41 42WP37 Parts Location Parts Location SC-BOARD (FOIL SIDE) SC-BOARD (COMPONENT SIDE) TRANSISTOR TRANSISTOR TP38 Q6542 TP39 Q6543 Q6491 IC6451 Q6451 TP15V Q6544 Q6492 TP10 IC6452 Q6452 TPSC1 TP40 Q6545 Q6550 TP11 IC6453 Q6454 TPVAD TP41 Q6546 Q6601 TP12 IC6454 Q6455 TPVBK TP42 Q6547...
  • Page 42: Su And Sd-Board

    42WP37 12.12. SU and SD-Board SU-BOARD TNPA2957 C6432 TPSU2 C6433 TPSU1 C6434 C6431 D6410 TNPA2957 IC6401 IC6404 IC6402 IC6403 ORDER NO. SU 1 R6403 C6402 C6414 SU42 D6401 C6403 R6404 R6402 C6412 C6401 R6421 SU41 C6404 Parts Location SU-BOARD TRANSISTOR IC6401 Q6401 IC6402...
  • Page 43: Ss, Ss2 And Ss3-Board

    42WP37 12.13. SS, SS2 and SS3-Board SS2-BOARD(FOIL SIDE) TNPA2872 SS45 TNPA2872 Parts Location SEE REVERSE FOR ORDERNO. SS-BOARD (FOIL SIDE) TRANSISTOR TP23 TP24 1 2 3 Q6701 TP25 Q6702 TP10 TP26 Q6705 TP11 TP27 Q6706 TP12 TP28 Q6721 TP13 TP29 Q6724 TP14 Q6751...
  • Page 44 42WP37 SS2-BOARD(COMPONENT SIDE) TNPA2872 Parts Location SS-BOARD (COMPONENT SIDE) TRANSISTOR IC6701 Q6701 TPSS1 SS45 IC6702 Q6702 TPV15 IC6703 Q6705 TPVDA IC6704 Q6706 TPVE TNPA2872 IC6705 Q6711 TPVSUS ORDER NO. IC6706 Q6712 IC6711 Q6713 SS2 1 Q6714 Q6721 Q6724 Q6725 SS3-BOARD(COMPONENT SIDE) Q6741 TNPA2873 Q6742...
  • Page 45: Z-Board

    42WP37 12.14. Z-Board Parts Location Z-BOARD TRANSISTOR IC2301 Q2301 IC2301 Q2302 IC2302 Q2303 IC2302 Q2304 IC2304 Q2305 IC2401 Q2306 IC2401 Q2330 IC801 Q2330 IC801 Q2331 IC802 Q2331 IC802 Q2333 IC803 Q2334 IC804 Q2370 IC804 Q2406 Q2408 Q2410 Q801 Z-BOARD(FOIL SIDE) Z-BOARD(COMPONENT SIDE) TNPA2815 TNPA2815...
  • Page 46: V1, S1 And H3-Board

    42WP37 12.15. V1, S1 and H3-Board V1-BOARD(FOIL SIDE) TXNV110QBS V1-BOARD(COMPONENT SIDE) TXNV110QBS S1-BOARD(FOIL SIDE) S1-BOARD(COMPONENT SIDE) TNPA2868 TNPA2868 H3-BOARD TNPA3003 TNPA3003 SEE REVERSE FOR ORDERNO. JK8500 L8502 L8501 V1-BOARD TXNV110QBS V1-BOARD TXNV110QBS S1-BOARD TNPA2868 S1-BOARD TNPA2868 H3-BOARD TNPA3003 H3-BOARD TNPA3003 –...
  • Page 47: Schematic Diagram Notes

    Block and Schematic Diagrams 42WP37 Schematic Diagram Notes Important Safety Notice Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacture's specified parts. Notes: 1. Resistor All resistors are cabon 1/4W resistor, unless marked as follows: Unit of resistance is OHM [ Ω] (K=1,000, M=1,000,000).
  • Page 48: Procedure

    THIS PAGE IS INTENTIONALLY LEFT BLANK. – 48 –...
  • Page 49: Parts Location

    42WP37 13 Replacement panel handling precautions and replacement procedure Replacement work procedure and precautions Replacement panel Model 50XP37 42WP37 *Some portions of the following description are diffrent handling precautions and from 42WP37 as this is written based on 50XP37. • Screwdrivers, pliers and other tools •...
  • Page 50 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 50 –...
  • Page 51: Chassis And Cabinet Replacement Parts List

    42WP37 14 Parts Location A121 A123 A122 A124 A125 A110 A105 A112 A114 A115 A111 A114 A113 A109 E100 A169 A115 A109 – 51 –...
  • Page 52 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 52 –...
  • Page 53 42WP37 Y106 Y107 Y108 Y109 Y110 Y111 A717 A712 A711 A713 A705 Y101 Y104 Y114 Y102 Y118 Y116 A703 A701 A705 A718 A715 A716 A702 A714 A702 – 53 –...
  • Page 54 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 54 –...
  • Page 55 · · · · · Location No. of Ixxxx (IC: integrated circuit) in the SEMICONDUCTORS section indicates Icxxxx on the Schematic Diagrams. (E.g. I1001 is equalized to IC1001.) Model : 42WP37C/42WP37E/42WP37F/42WP37H Capacitors ..... CD : Ceramic Disk...
  • Page 56 Location Parts No. Descriptiopn Location Parts No. Descriptiopn T401 72792021 TRANSFORMER-SW, ETS25AD1H6AG I9701 72792059 IC, MN102L230 T501 72792024 TRANSFORMER-SW, ETS49BP116AD I9702 #1 72792304 IC, TVRN072 T502 72792023 TRANSFORMER-SW, ETS42BV116AD #2 72792112 IC, TVRN071 T901 72792022 TRANSFORMER-SW, ETS28AZ1E6AD #3 72792112 IC, TVRN071 T6451 72792034 TRANSFORMER-SW, G4D1A0000072 #4 72792112 IC, TVRN071...
  • Page 57 Location Parts No. Descriptiopn Location Parts No. Descriptiopn Q6673 72790933 TRANSISTOR, 2SD1263A A166 72790089 SCREW, XYN3+F8 Q6745 72790939 TRANSISTOR, 2SK326800L, FET A167 72792294 SCREW, XYN4+E8 Q6746 72790939 TRANSISTOR, 2SK326800L, FET A168 72001017 SCREW, XYN5+C15 Q6752 72790931 TRANSISTOR, 2SC1473 A169 72000679 SCREW, XYN8+F20FZ Q6753 72790931 TRANSISTOR, 2SC1473 F900...
  • Page 58 Location Parts No. Descriptiopn Location Parts No. Descriptiopn Y109 #2 72792323 OWNERS MANUAL(ITALIAN), TQZW323 Y110 #2 72792324 OWNERS MANUAL(SPANISH), TQZW324 Y111 72790396 OWNERS MANUAL SHEET, TQZH337 CABINET PARTS A105 #1 72792308 GLASS, FRONT, TKGA5119 #2 72792071 GLASS, FRONT, TKGA5118 #3 72792071 GLASS, FRONT, TKGA5118 #4 72792071 GLASS, FRONT, TKGA5118 A109 72000665 HANDLE, TKRA20501...
  • Page 59 42WP37 16 Specifications Power Source: AC220-240V 50/60Hz Power Consumption: 265 W Save off 1.8 W, Save on 0.8 W (stand-by condition) 0.6 W (Power off condition) Plasma Display panel: Drive method AC type 16:9 aspect ratio Contrast Ratio 4000:1 Screen size: 920 mm (W) ×...
  • Page 60 TOSHIBA CORPORATION 1-1, SHIBAURA 1- CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...
  • Page 61 Block and Schematic Diagrams 42WP37 Schematic Diagram Notes Important Safety Notice Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacture's specified parts. Notes: 1. Resistor All resistors are cabon 1/4W resistor, unless marked as follows: Unit of resistance is OHM [ Ω] (K=1,000, M=1,000,000).
  • Page 62 42WP37 Main Block Diagram SC23 3.3V DC/DC 2.5V UR12V CONVERTER 1.8V DISCHARGE SS48 STB7V SC20 CONTROL VSUS SS11 VSUS CONTROL ON/OFF PROCESS STB5V ADDRESS VOLTAGE MAIN MPU SUSTAIN VOLTAGE RECTIFIER VOLTAGE (VE) SDRAM RECTIFIER SUB MPU SUSTAIN FORMAT PLASMA AI PROCESS SUSTAIN PULSE...
  • Page 63 42WP37 PF-Board Block Diagram Line Filter/F.STB Board TO P9 AC INLET L901-L902 F900 NEUTRAL LINE FILTER F901 LINE PF10 TO J10 RL901 AC LINE CODE STB+5V F902 F.STB ON/OFF RELAY F.STB ON/OFF Q903 F.STB ON/OFF F.STB+14V COLD D902 L905 F.STB+14V LINE T901 FILTER...
  • Page 64 42WP37 PF-Board Schematic Diagram P-BOARD (P9) PF-BOARD TXNPF10QBS COLD COLD C902 C903 Not specified DC Not specified DC 220p 220p AC CORD C901 C906 C912 Not specified DC Not specified DC Not specified DC T8AH 250V J-BOARD 0.22u RL901 K6B2ADA00007 PF10 (J10) F900...
  • Page 65 42WP37 P-Board Block Diagram L451 L451 380V TO SS11 TO SS11 IC551 VSUS VSUS Q451 Q452 IC451 SUSTAIN VOLTAGE CONTROL VSUS VSUS Q454 Q453 T501 TO SC2 TO SC2 DRV.REG 190V 190V Drain Drain =8.3V VSUS VSUS VSUS VSUS START O.V.P DRIVER D451...
  • Page 66 42WP37 P-Board (1 of 2) Schematic Diagram C563 COLD Not specified DC 1000p L451 D462 G4D4A0000048 B0EAKT000012 MT132E P-BOARD TNPA2841AB (1/2) R577 380V 400Vp 380V 380V 100k R483 D457 SUSTAIN C557 10 NC 630V B0HARR000016 140V IC551 VOLTAGE 0.047u -550V C550 C5HABZZ00115 C451...
  • Page 67 42WP37 P-Board (2 of 2) Schematic Diagram P-BOARD TNPA2841AB (2/2) Vsus=170V 190V D567 D570 B0HARR000009 B0HARR000009 190V SS-BOARD C573 C574 C566 SC-BOARD 200V 200V (SS11) 1800 1800 (SC2) 1000p Vsus R597 R598 R600 Vsus 220k 220k 220k Vsus Vsus D592 B0HCMM000001 D593 D572...
  • Page 68 42WP37 HX-Board Schematic Diagram HX-BOARD TZTNP02SBSE L3555 ELJPA100KF C3551 C3550 R3653 C3404 C3405 Q3531 2SD0601A0L 0.01u 0.1u C3561 R3776 JK3513 R3654 R3668 R3663 L3512 K2HC103B0105 J0HABB000003 J0HAAB000012 AUDIO IN R3529 R3547 180k R3655 Q3532 R3777 2SD0601A0L R3530 R3548 C3562 180k R3656 R3672 PC Terminal Board...
  • Page 69 42WP37 HV-Board Block Diagram IC3104 IC3104 IC3201 IC3201 Composite Video Terminal(RCA) Board Composite Video Terminal(RCA) Board RESET RESET MEMORY MEMORY FIFO FIFO IC3103 IC3103 IC3251 IC3251 GC2M GC2M LVDS TRANSMITTER LVDS TRANSMITTER IC3003 IC3003 TO J11 TO J11 MEMORY CONTROLLOR TX0+ TX0+ TX0+...
  • Page 70 42WP37 HV-Board (1 of 2) Schematic Diagram IC3101 AVR 2.5V C0DBEZG00004 HV-BOARD TXNHV10QWS (1/2) C3127 3.3V IC3104 R3145 C3159 AD2R5V 220u C0EBE0000066 R3112 1.5k RESET R3159 R3113 C3103 C3105 C3102 R3144 R3185 1.5k 0.1u 220u R3143 C3142 C3144 C3132 C3133 C3012 0.1u 0.1u...
  • Page 71 42WP37 HV-Board (2 of 2) Schematic Diagram HV-BOARD TXNHV10QWS (2/2) C3266 C3265 220u 0.1u 3.3V TS3100 TS3101 TS3102 AE_V_Y AL_S2_DET R3251 IC3251 AM_HS LVDS TRANSMITTER C0ZBZ0000684 DS90C383AMTDX AM_VS AE_R AE_L SCL2 SDA2 3.3V L3251 L3252 ELJPA2R2MF ELJPA2R2MF 3.3V C3261 C3264 220u 0.1u 3.3V...
  • Page 72 42WP37 HZ-Board Block and Schematic Diagram HZ-BOARD TXNHZ10RCS JK3001 L3001 J0HABB000004 K2HA306B0049 LAN15V LAN15V JS3011 JS3014 COMPONENT VIDEO IN L3002 J0HABB000004 TP032 S2_DET JS3012 JS3015 RESET1 TP033 RESET2 L3003 J0HABB000004 TP034 PWR_STAT JS3013 JS3016 REMOTE CABEL_DET PLUG_DET JK3002 AB_AUD_R R3041 AUD_R TP035 K2HA204B0097...
  • Page 73 42WP37 HT-Board Block Diagram IC3702 RESET IC3701 IC4601 21 pin SCART Terminal Board VIDEO PROCESSOR LVDS TRANSMITTER TX0+ TX0+ TX0- TX0- TX1+ TX1+ TX1- Color Q3441 TX1- Analog Adaptive Decoder 2DScalar Output Mixer TX2+ Front-End Comb Formatter NTSC TX2+ Filter Panorama TX2- Contast...
  • Page 74 42WP37 HT-Board Schematic Diagram HT-BOARD TXNHT10QYS JS3301 JS3307 JS3302 JS3308 JS3303 JS3309 JS3304 JS3310 JS3305 JS3311 JS3306 JS3312 L4601 ELKE103FA C4613 C3718 0.1u C3323 C3724 RESET 0.068u C3731 C4616 0.068u R3718 0.1u 0.047u AB_Y/G IC3702 C3732 R4557 1500p R3319 C0EBE0000066 S2_DET Q3441 AA_SLOW...
  • Page 75 42WP37 J-Board Block Diagram Slot Interface/SYNC Processor Board TO SLOT1 TO D5 TX3+ TX3+ TX3- TX3- TXC+ TXC+ TXC- IC952 IC951 IC3109 IC3108 IC8007 TXC- TX2+ TX2+ DIG12V DR15V CS/VIDEO SEL(MAIN) AVR 9V AVR 12V AVR 5V AVR 5V TX2- TX2- TX1+ IC3201...
  • Page 76 42WP37 J-Board (1 of 4) Schematic Diagram J-BOARD TNPA2826 (1/4) SYNC SELECT (MAIN) IC8001 C0JBAR000241 L8001 ELJPA100KF R8001 C8001 R8002 R8009 C8003 0.1u R8095 R8025 C8009 R8010 6.3V 10u R8003 R8004 R8011 D8003 D8001 R8012 R8017 R8026 MA2J11100L MA2J11100L 5.6k AE_SW0 JS8092 AE_SW1...
  • Page 77 42WP37 J-Board (2 of 4) Schematic Diagram J-BOARD TNPA2826 (2/4) SYNC SIGNAL PROCESSOR (MAIN) 5V_M IC8003 L8003 ELJPA100KF C1AA00000395 JS8094 C8036 L8005 R8033 C8025 H.State Clamp Timing ELJPA100KF 100p 100k INVERTER 0.01u V.State V.Pol. C8045 R8041 Green Sep Filter H.Pol. C8029 R8054 0.01u...
  • Page 78 42WP37 J-Board (3 of 4) Schematic Diagram J-BOARD (1/4) J-BOARD TNPA2826 (3/4) SLOT1 SLOT2 SLOT3 AUDIO SELECT L3001 ELJPA100KF L3002 ELJPA100KF C3004 R3015 C3001 R3011 C3005 C3008 R3016 R3019 0.01u R3020 R3007 0.1u R3009 R3017 R3012 C3007 R3018 R3021 PF-BOARD Q3002 R3022 R3005...
  • Page 79 42WP37 J-Board (4 of 4) Schematic Diagram Q3101 J-BOARD 2SD0601A0L C8043 (2/4) R3102 C8035 R3128 C8041 0.1u 0.1u Q3102 2.2u VIDEO AMP 2SD0601A0L R3103 R3129 R8062 R8071 (MAIN) Q8001 R8061 R8060 3.3k 3.3k 2SD0601A0L R3130 RS232C AVR 5V Q3103 R3101 R3104 DRIVER 2SD0601A0L...
  • Page 80 42WP37 D-Board Block Diagram IC9011 LVDS RX IC9010 IC9153 Digtal Signal Processor Board LVDS:Low Voltage IC9302 TO C11 Differential AVR 3.3V AVR 3.3V IC9155 IC9301,03 IC9454 AVR 3.3V Signaling VDIA S 3.3V 3.3V 64M SDRAM PLL SYNTHESIZER SDRAM IC9151 VS OUT 3.3V TO J5 IC9015...
  • Page 81 42WP37 D-Board (1 of 11) Schematic Diagram D-BOARD TZTNP01SBSE/TZTNP01SBSC (1/11) J-BOARD (J6) AF_G AF_B AF_R R9130 AE_HD_S R9131 IC9006 R9132 AE_VD_S AE_NCLP_S C0CBCBD00008 R9730 AD_STB_ON STB_ON AVR3.3V *R9729 AD_RTC_INT REAL TIME /INTRA R9988 AD_FAN_CONT FAN_CONT C9039 R9110 C9030 C9037 R9728 AD_REMOCON_OUT C9051 REMOCON_OUT...
  • Page 82 42WP37 D-Board (2 of 11) Schematic Diagram D-BOARD TZTNP01SBSE/TZTNP01SBSC (2/11) J-BOARD (J5) *IC9016 C0CBCBD00008 *C9109 AVR3.3V *R9119 0.039u *C9090 *C9094 *C9096 *C9088 6.3V 6.3V 0.1u 0.1u 5V->3.3V *C9107 *C9092 IC9023 0.1u 0.1u *C9095 *C9097 C0JBAZ000545 *R9120 *C9091 *C9105 6.3V C9077 3.3V 0.1u INVERTER...
  • Page 83 42WP37 D-Board (3 of 11) Schematic Diagram D-BOARD TZTNP01SBSE/TZTNP01SBSC (3/11) P-BOARD L9953 UNREG15V (P25) ELKE103FA C9953 C9956 0.1u IC9952 L9954 ELKE103FA C0DBAFH00021 IC9951 IC9453 L9952 C0DBAMH00006 1.8V ELKE103FA C0DBEZG00004 FAN_CONT C9952 3.3V C9955 3.3V->2.5V 0.1u STB7V C9970 BOOST (PQ1CY1032ZP) 0.1u D9954 B0JCME000025 SYNC...
  • Page 84 42WP37 D-Board (4 of 11) Schematic Diagram D-BOARD TZTNP01SBSE/TZTNP01SBSC (4/11) IC9153 IC9157 C0CBCBD00008 C0ABFA000012 AVR 3.3V PLLM (36MHz) C9191 C9192 C9195 C9175 C9174 C9198 C9207 6.3V R9231 6.3V 0.1u 0.01u 2.7k DVDD AVDD 0.1u R9219 Rbias R9203 VCOout VCOin R9221 FinA AVSS C9150...
  • Page 85 42WP37 D-Board (5 of 11) Schematic Diagram D-BOARD TZTNP01SBSE/TZTNP01SBSC (5/11) 2.5V AAZ_IO29 AAZ_AD7 AAZ_IO30 AAZ_AD6 AAZ_IO31 AAZ_AD5 DQ27 DQ31 AAZ_AD4 VDDQ DQ28 IC9454 A8/AP VDDQ AAZ_AD9 C3ABPJ000043 W946432AD-6 M13S64322A-4L C9485 0.1u VSSQ SDRAM VDDQ AAZ_AD10 AAZ_IO0 VDDQ AAZ_AD3 AAZ_IO1 AAZ_AD2 AAZ_IO2 AAZ_AD1 AAZ_AD0...
  • Page 86 42WP37 D-Board (6 of 11) Schematic Diagram D-BOARD (1/11) D-BOARD TZTNP01SBSE/TZTNP01SBSC (6/11) STB5V_S STB5V_M L9701 R9996 ELKE103FA Q9702 C9706 R9736 D9715 C9708 C9718 C9719 2SB14400HL 2.7k MAZ30620ML X9701 R9734 3.3V 0.1u 0.1u 4.7u H0J245500024 IIC 3.3V 24.576MHz R9737 C9722 R9735 R9738 R9739 Q9701...
  • Page 87 42WP37 D-Board (7 of 11) Schematic Diagram AA AB D-BOARD (2/11) D-BOARD TZTNP01SBSE/TZTNP01SBSC (7/11) AY_CL AAP_SCSU AAP_CL C9601 0.1u AY_CLK AAT_D AY_SCSU CONVERT MICOM AAP_CLK IC9709 AAT_B R9799 M38049FFFP AY_SIU R9798 5.6k 5.6k AAP_CPL AAP_SIU C2BBGF000297 TVRJ950-2 RESET RY/BY AY_SID AY_CPL ABB_A18 C9739...
  • Page 88 42WP37 D-Board (8 of 11) Schematic Diagram D-BOARD (3/11) D-BOARD TZTNP01SBSE/TZTNP01SBSC (8/11) C9611 4.7u R9616 R9638 AAV_R0 AAW_R0 AAV_G0 AAW_G0 AAV_B0 AAW_B0 C9629 AAV_R1 AAW_R1 AAV_G1 AAW_G1 AAV_B1 AAW_B1 0.1u AAV_R2 AAW_R2 AAV_G2 AAW_G2 AAV_B2 AAW_B2 AAV_R3 AAW_R3 AAV_G3 AAW_G3 AAV_B3 AAW_B3 R9807...
  • Page 89 42WP37 D-Board (9 of 11) Schematic Diagram IC9152 D-BOARD C0CBCBD00008 (4/11) AVR 3.3V C9154 0.1u R9207 D-BOARD TZTNP01SBSE/TZTNP01SBSC (9/11) C9162 C9163 6.3V 0.1u C9161 C9160 C9156 0.1u R9208 6.3V 0.1u R9206 C9157 Analog SCK PLL 0.1u IC9151 YREFL IC9151 SCKREF IC9151 C9158 IC9151...
  • Page 90 42WP37 D-Board (10 of 11) Schematic Diagram D-BOARD TZTNP01SBSE/TZTNP01SBSC (10/11) ABA_R0 AAY_R0 ABA_G0 AAY_G0 ABA_B0 AAY_B0 ABA_R1 AAY_R1 ABA_G1 AAY_G1 ABA_B1 AAY_B1 ABA_R2 AAY_R2 ABA_G2 AAY_G2 ABA_B2 AAY_B2 ABA_R3 AAY_R3 ABA_G3 AAY_G3 ABA_B3 AAY_B3 ABA_R4 AAY_R4 ABA_G4 AAY_G4 ABA_B4 AAY_B4 ABA_R5 AAY_R5 ABA_G5...
  • Page 91 42WP37 D-Board (11 of 11) Schematic Diagram FC RAM I/F IC9455 D-BOARD AAZ_CS AAZ_AD0 AAZ_AD8 AAZ_IO0 AAZ_IO8 AAZ_IO16 AAZ_IO24 IC9455 DQS0 IC9455 IC9455 FCADR0 IC9455 FCADR8 IC9455 FCIO0 IC9455 FCIO6 IC9455 IC9455 FCIO24 (5/11) AAZ_RAS AAZ_AD1 AAZ_AD9 AAZ_IO1 AAZ_IO9 AAZ_IO17 AAZ_IO25 IC9455 DQS1...
  • Page 92 42WP37 C1, C2 and V1-Board Block Diagram SUSTAIN TO D32 TO D31 CLKR CLKL Data drive (Lower Right) Data drive (Lower Left) Remocon Senser , D1550 Board (Front View) Board (Front View) Power Switch Board POWER ON Q7201 LED G STAND BY Q7202 LED R...
  • Page 93 42WP37 C1-Board Schematic Diagram C2-BOARD (C22) (C2-BOARD REVERSE FOR CONENCETOR PIN NO) C1-BOARD TNPA2869 TERM Vda67V R7189 AH_D14 C7107 R7190 0.1u AH_D15 220k 100V AH_D16 AH_D11 AH_D12 C7111 R7175 0.1u AH_D13 100V AG_D24 R7113 R7111 R7112 R7114 AG_D25 R7192 AG_D26 AG_D21 C7102 AG_D22...
  • Page 94 42WP37 C2 and V1-Board Schematic Diagram C.A.T.S. SENSOR V1-BOARD C2-BOARD TNPA2870 D1553 TXNV110QBS MA8056MTX D1552 IC1550 MA8056MTX R1556 B3L000000020 D1550 R1555 LNJ107W5PRW G:POWER ON R1554 POWER LED STB5V LED_G R:STANDBY LED_R AK_KEY_SW KEY_SW R1550 R1553 CPU_GND R1551 AK_REMOCON REMOCON L7207 STB5V ELKE103FA AK_OPT...
  • Page 95 42WP37 SC-Board Block Diagram SC44 TO SD44 FSID IC6501 Scan Drive Board FSID D6505 BUFFER FCLD PHOTO COUPLER FCLD FCLD FCLKD FCLKD FCLU PROD PROD IC6605 IC6602 D6506 FCLKD VF5V BUFFER FET DRIVER D6624 PHOTO COUPLER VF5V TO D20 SC20 FCLKU Q6621 L6611,12...
  • Page 96 42WP37 SC-Board (1 of 2) Schematic Diagram SC-BOARD TXNSC10QBS (1/2) C6491 C6490 1000p 1000p 630V 630V R6499 D6491 B0ECHP000001 P-BOARD L6602 R6601 (P2) G0ZZ00002183 Vsus C6601 C6602 C6603 C6604 Vsus 200V 200V 200V 200V Q6601 220u 220u 220u 220u R6611 2SK3652000SB C6481 C6611...
  • Page 97 42WP37 SC-Board (2 of 2) Schematic Diagram SC-BOARD TXNSC10QBS (2/2) D6492 Q6491 B0ECHP000001 2SC1473AEA R6492 220k Q6492 R6493 R6491 R6594 2SC1473AEA 100k 220k 100k C6469 220u R6621 IC6491 R6618 R6497 R6595 Q6461 C6620 154k AN1431M-E1 C6466 2.2k 5.23k R6610 T6461 B1BBCJ000003 C6467 C6492...
  • Page 98 42WP37 SU-Board Block Diagram Scan Out (up) Board IC6401 PDP SCAN DRIVER TO SC41 SU41 HV64 HV63 HV62 FCLK 48 PIN FCLK FCLK OUTPUT 35 15 HV18 VF5V VF5V To 1st 80pins of HV17 SCAN ELECTRODES FSO1 Q6401 TO SC42 SU42 IC6402 PDP SCAN DRIVER...
  • Page 99 42WP37 SU-Board Schematic Diagram SU-BOARD TNPA2957 TPSU1 TPSU2 AA_202 AD_26 AD_38 AC_74 AC_86 AB_138 AB_150 AA_214 AD_25 AD_39 AC_73 AC_87 AB_137 AB_151 AA_201 AA_215 AD_24 AD_40 AC_72 AC_88 AB_136 AB_152 AA_200 AA_216 AD_23 AD_41 AC_71 AC_89 AB_135 AB_153 AA_199 AA_217 OUT42 OUT24 OUT42...
  • Page 100 42WP37 SD-Board Block Diagram Scan Out (Down) Board IC6405 PDP SCAN DRIVER TO SC44 SD44 HV64 HV63 HV62 FCLK 64 PIN FCLK FCLK OUTPUT HV03 FS01 HV02 VF5V VF5V To 1st 80pins of HV01 SCAN ELECTRODES TO SC43 SD43 IC6406 PDP SCAN DRIVER HV64 FS01...
  • Page 101 42WP37 SD-Board Schematic Diagram SD-BOARD TNPA2958 DOWN TPSD2 TPSD1 AD_26 AD_38 AC_90 AC_102 AB_154 AB_166 AA_218 AA_230 AD_25 AD_39 AC_89 AC_103 AB_153 AB_167 AA_217 AA_231 AD_24 AD_40 AC_88 AC_104 AB_152 AB_168 AA_216 AA_232 AD_41 AA_233 AD_23 AC_87 AC_105 AB_151 AB_169 AA_215 OUT42 OUT24...
  • Page 102 42WP37 SS, S1, SS2 and SS3-Board Block Diagram TO P12 SS12 SS34 Sustain Drive Board Power Switch Board STB PS POWER SWITCH TP15V S061 PUSH +15V L6703 TPVDA L6704 TO P11 SS11 TPVSUS VSUS L6702 VSUS TO C23 SS23 IC6706 IC6701 BUFFER FET DRIVER...
  • Page 103 42WP37 SS, S1, SS2 and SS3-Board Schematic Diagram SS45 S1-BOARD SS48 SS2-BOARD SS47 TNPA2868 TNPA2872 SS-BOARD TXNSS10QBS SS34 STB_PS POWER SWITCH S061 PUSH K0F162B00002 *SS41 P-BOARD TPVSUS SS11 (P11) R6702 175V 175V VSUS L6702 VSUS C6701 C6702 C6703 C6704 G0ZZ00002183 200V 200V 200V...
  • Page 104 42WP37 Z and H3-Board Block Diagram Sound Processor Board IC2302 IC2401 AUDIO AMP SOUND PROCESSOR TO J8 JK8500 SPEAKER L IN L OUT Q2408 Q2302 AUDIO TERMINAL L AMP L AMP OUT(L) AMP STB SW IC2301 AUDIO AMP JK8500 SPEAKER R IN R OUT Q2410...
  • Page 105 42WP37 Z and H3-Board (1 of 2) Schematic Diagram AVR 9V Z-BOARD TNPA2815 (1/2) IC2304 C0CBAHG00005 JS2301 C2313 L2306 ELJPA100KF C2314 D2316 ZA003 B0JCME000025 K4ZZ01000121 C2484 0.01u R2481 Q2408 2SD0601A0L L AMP R2438 C2442 R2473 1.8k R2472 R2453 R2480 4.7k C2441 C2433 R2456...
  • Page 106 42WP37 Z and H3-Board (2 of 2) Schematic Diagram Z-BOARD TNPA2815 (2/2) AVR 9V IC801 C0DAAHG00008 IC2301 C1BA00000278 R805 C808 R806 0.01u AUDIO AMP L801 G1C101ZA0037 P-BOARD (P5) J-BOARD R2351 C2362 C802 C805 (J8) DIG12V 470u 1000u 470u 9V/0.5A LIPPLE FILTER SW GND D802 SLOT9V...

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