Related Manuals for Toshiba 50XP37C
Summary of Contents for Toshiba 50XP37C
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Page 1: Plasma Display
FILE NO. 010-200328 SERVICE MANUAL Plasma Display 50XP37C 50XP37E 50XP37F 50XP37H Mar. 2004 (YC) -
Page 2: Table Of Contents
50XP37 CONTENTS Page Page 1 Applicable signals 12.18. SS, SS2 and SS3-Board 2 Safety Precautions 12.19. Z-Board 2.1. General Guidelines 12.20. V1, S1 and H3-Board 3 Prevention of Electro Static Discharge (ESD) to 13 Replacement panel handling precautions and replacement Electrostatically Sensitive (ES) Devices procedure 4 About lead free solder (PbF) -
Page 3: Applicable Signals
50XP37 1 Applicable signals – 3 –... -
Page 4: Safety Precautions
50XP37 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 Electrostatically Sensitive (Es) Devices
50XP37 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)
50XP37 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 Gph6D2 Chassis
50XP37 5 PCB Structure sheet of GPH6D2 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 (Upper Right) Data Drive (Upper Center) Data Drive (Upper Left) Data Drive (Lower Left) Data Drive (Lower Center) -
Page 8: Service Hint
50XP37 6 Service Hint – 8 –... -
Page 9: Location Of Lead Wiring
50XP37 7 Location of Lead Wiring – 9 –... -
Page 10: Adjustment Procedure
50XP37 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
50XP37 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) 155 ±... -
Page 12: Printed Circuit Board) Exchange
50XP37 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
50XP37 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
50XP37 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 replacing of IC. Memory data change To exit the CD mode, press the R button on the remote control. -
Page 15: Iic Mode Structure (Following Items Value Is Sample Data.)
50XP37 9.2. IIC mode structure (following items value is sample data.) – 15 –... -
Page 16: Alignment
50XP37 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 50XP37 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 Warm B Drive R Cut off...
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Page 18: Pc/Rgb Panel White Balance
50XP37 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
50XP37 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
50XP37 11 Trouble shooting guide 11.1. Self Check 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: No Picture
50XP37 11.2.2. Power LED no light 11.3. No Picture – 21 –... -
Page 22: Local Screen Failure
50XP37 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 – 22 –... -
Page 23: Conductor Views
50XP37 12 Conductor Views 12.1. PF-Board PF-BOARD(FOIL SIDE) TXNPF10QMS C925 R926 TP902 R928 TP904 TP903 L904 C921 T3.15AL250V D921 JS906 CAUTION C922 F902 C923 R924 JS907 JS908 C905 C906 C904 JS909 T901 R903 Parts Location D902 PF-BOARD (FOIL SIDE) C919 IC901 TP9001 C916... - Page 24 50XP37 PF-BOARD(COMPONENT SIDE) TXNPF10QMS C925 R926 PF10 R928 L904 C921 D921 T3.15AL250V CAUTION J103 JS906 J101 R924 F902 JS907 C923 C922 JS908 C905 C904 C906 JS909 R903 Parts Location C915 PF-BOARD (COMPONENT SIDE) D902 C919 TRANSISTOR C917 IC901 Q903 C916 IC902 D906 C918...
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Page 25: P-Board
50XP37 12.2. P-Board P-BOARD(FOIL SIDE) TNPA2890 P-BOARD TNPA2890 P-BOARD TNPA2890 – 25 –... - Page 26 50XP37 P-BOARD(COMPONENT SIDE) TNPA2890 P-BOARD TNPA2890 P-BOARD TNPA2890 – 26 –...
- Page 27 50XP37 Parts Location Parts Location P-BOARD (FOIL SIDE) P-BOARD (COMPONENT SIDE) TRANSISTOR Q516 TRANSISTOR Q517 IC401 Q401 IC406 Q406 Q518 IC402 Q404 IC409 Q410 Q519 IC403 Q406 IC504 Q412 Q520 IC404 Q407 IC511 Q413 Q521 IC406 Q409 IC512 Q414 Q522 IC408 Q410 Q415...
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Page 28: Hx-Board
50XP37 12.3. HX-Board HX-BOARD(FOIL SIDE) HX-BOARD(COMPONENT SIDE) TZTNP01SCSH TZTNP01SCSH CR NO.3 ORDER NO. TNPA2842 TNPA2842 SEE REVERSE FOR ORDER NO. CR NO.3 C405 C404 C409 IC502 R400 L526 D502 L555 R589 C523 R778 C563 C524 R788 D504 R789 D506 R794 R586 Q537 C551... -
Page 29: Hv-Board
50XP37 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 30: Hz-Board
50XP37 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 R041 R040 R042... -
Page 31: Ht-Board
50XP37 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 32: J-Board
50XP37 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 33 50XP37 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...
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Page 34: D-Board
50XP37 12.8. D-Board D-BOARD(FOIL SIDE) TZTNP02SCSH/TZTNP01SCSC R615 R629 R599 R598 C599 R555 R552 R562 R560 Q598 R797 R793 R361 R595 R597 R557 R307 C706 R592 R558 R510 IC601 R556 R554 R426 R973 R643 R428 R360 R982 R994 C318 R919 D715 R305 R315 Q301... - Page 35 50XP37 D-BOARD(COMPONENT SIDE) TZTNP02SCSH/TZTNP01SCSC R796 C620 C622 R539 R536 IC712 R684 C611 R616 C615 C618 C623 R542 R109 R685 R675 R512 R607 C723 R686 C614 C629 R687 R346 R545 D728 R688 R301 R534 R527 R325 R351 R319 R324 R363 R358 R350 R519 R523...
- Page 36 50XP37 Parts Location Parts Location D-BOARD (FOIL SIDE) D-BOARD (COMPONENT SIDE) IC603 TRANSISTOR IC458 TRANSISTOR IC604 IC459 IC001 Q301 IC002 Q001 IC606 IC605 IC003 Q591 IC005 Q002 IC608 IC607 IC004 Q592 IC009 Q400 IC702 IC701 IC006 Q593 IC011 Q702 IC703 IC709 IC007 Q594...
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Page 37: C1-Board
50XP37 12.9. C1-Board C1-BOARD(FOIL SIDE) TNPA2903 1 2 3 TNPA2903 CRNO.7 SEE REVERSE FOR ORDER NO. C1-BOARD(COMPONENT SIDE) TNPA2903 L101 L102 L106 L107 L103 L104 L108 L105 R115 R110 R113 R109 R131 R125 R130 R126 C124 R114 R111 R112 R108 C123 R129 R127... -
Page 38: C2-Board
50XP37 12.10. C2-Board C2-BOARD(FOIL SIDE) TNPA2904 TNPA2904 SEEREVERSE FOR ORDER NO. C2-BOARD(COMPONENT SIDE) TNPA2904 L202 R268 R269 R226 D205 D203 D206 R227 D201 D202 C214 D204 C218 IC204 IC205 R248 R247 C213 C217 C222 C226 R241 R253 R260 R259 R252 R225 R234 R258... -
Page 39: C3-Board
50XP37 12.11. C3-Board C3-BOARD(FOIL SIDE) TNPA2905 CRNO.7 TNPA2905 1 2 3 SEE REVERSE FOR ORDER NO. C3-BOARD(COMPONENT SIDE) TNPA2905 L302 L303 L308 L304 L301 L305 L307 L306 R362 R358 R375 R365 R361 R380 R378 R381 C314 CA10 R363 R359 R364 R360 C313 R382... -
Page 40: C4-Board
50XP37 12.12. C4-Board C4-BOARD(FOIL SIDE) TNPA2906 1 2 3 CRNO.7 TNPA2906 SEE REVERSE FOR ORDER NO. C4-BOARD(COMPONENT SIDE) TNPA2906 C403 C4MM1 C401 R490 R491 R401 R440 R449 R441 R450 DL401 R404 R405 R410 R442 R451 R444 R406 R411 TNPA2906 R445 R443 R452 C414... -
Page 41: C5-Board
50XP37 12.13. C5-Board C5-BOARD(FOIL SIDE) TNPA2907 TNPA2907 SEEREVERSE FOR ORDER NO. C5-BOARD(COMPONENT SIDE) TNPA2907 DL502 C5MM1 R567 IC501 R529 R533 IC502 R528 C505 CRNO.7 R512 R508 R507 R532 R521 C508 R527 R542 R511 R531 R520 R539 R538 IC504 R553 R552 IC505 R563 R562... -
Page 42: C6-Board
50XP37 12.14. C6-Board C6-BOARD(FOIL SIDE) TNPA2908 TNPA2908 SEE REVERSE FOR ORDER NO. CRNO.7 C6-BOARD(COMPONENT SIDE) TNPA2908 R641 R637 R675 R640 C639 TNPA2908 R654 R636 R658 C6MM1 R655 C638 R674 R680 R656 R659 C637 R635 R660 R657 R639 R661 C633 C634 R673 R650 R642... -
Page 43: Sc-Board
50XP37 12.15. SC-Board SC-BOARD(FOIL SIDE) TXNSC10QMS TP49 TP40 TP54 TP56 TP57 TP58 TP59 TP60 TP61 TP62 TP48 TP41 TP51 TP55 TP47 TP46 TP42 TP45 SC42 SC43 R511 TP81 TP80 R565 C513 TP50 R512 TP63 Q550 C627 SC41 SC44 TP31 TP810 VR557 TP84 TP83... - Page 44 50XP37 SC-BOARD(COMPONENT SIDE) TXNSC10QMS D488 R708 D490 R667 D511 D486 R669 R445 D512 Q511 R511 C513 D570 C598 D509 R568 R567 R566 C509 D543 R605 R509 SC45 C581 C580 IC501 IC502 R565 Q513 Q477 Q476 Q645 Q550 D632 R505 R506 C626 R508 R496...
- Page 45 50XP37 Parts Location Parts Location SC-BOARD (FOIL SIDE) SC-BOARD (COMPONENT SIDE) TRANSISTOR IC6801 Q6541 Q6624 TP55 IC6802 Q6542 TP56 Q6625 Q6491 IC6431 IC6803 Q6543 Q6627 TP57 Q6492 IC6434 IC6804 Q6544 Q6628 TP58 Q6550 IC6451 IC6805 Q6545 TP59 Q6629 Q6552 IC6452 Q6546 Q6630 TP60...
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Page 46: Su-Board
50XP37 12.16. SU-Board SU-BOARD(FOIL SIDE) TNPA2911 TNPA2911 SEE REVERSE FOR ORDERNO. SU-BOARD(COMPONENT SIDE) TNPA2911 D6408 C6415 C6416 C6404 D6404 C6403 R6412 R6407 R6403 R6405 R6402 D6405 C6414 C6406 D6401 C6405 R6406 SU45 D6403 R6408 TNPA2911 D6407 C6402 R6410 ORDER NO. SU-BOARD TNPA2911 SU-BOARD TNPA2911 –... -
Page 47: Sd-Board
50XP37 12.17. SD-Board SD-BOARD(FOIL SIDE) TNPA2912 TNPA2912 SEE REVERSE FOR ORDERNO. SD-BOARD(COMPONENT SIDE) TNPA2912 C6435 C6431 R6426 C6426 R6429 C6434 R6425 C6425 R6428 R6427 IC6416 R6424 C6424 C6423 R6422 R6423 D6411 C6422 C6420 C6421 SD46 D6413 D6414 TNPA2912 C6429 ORDER NO. SD-BOARD TNPA2912 SD-BOARD TNPA2912 –... -
Page 48: Ss, Ss2 And Ss3-Board
50XP37 12.18. SS, SS2 and SS3-Board SS2-BOARD(FOIL SIDE) TNPA2919 Parts Location SS-BOARD (FOIL SIDE) SS21 1 2 3 TRANSISTOR TP23 TP24 Q6711 SS41 TP25 Q6712 TP26 Q6713 TP27 Q6714 TNPA2919 TP28 Q6715 TP29 SEE REVERSE FOR ORDERNO. Q6716 TP30 Q6717 TP31 Q6718 TP32... - Page 49 50XP37 SS2-BOARD(COMPONENT SIDE) TNPA2919 Parts Location SS-BOARD (COMPONENT SIDE) Q6718 Q6912 Q6719 Q6913 TNPA2919 IC6701 Q6720 Q6914 ORDER NO. IC6702 Q6721 Q6915 IC6703 Q6722 Q6916 IC6704 Q6723 Q6917 SS21 IC6705 Q6724 Q6918 IC6706 SS41 Q6725 Q6919 IC6707 Q6727 Q6920 IC6709 Q6728 Q6921 IC6901...
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Page 50: Z-Board
50XP37 12.19. 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 51: V1, S1 And H3-Board
50XP37 12.20. V1, S1 and H3-Board V1-BOARD(FOIL SIDE) TXNV110QJS V1-BOARD(COMPONENT SIDE) TXNV110QJS S1-BOARD(FOIL SIDE) S1-BOARD(COMPONENT SIDE) TNPA2868AB TNPA2868AB H3-BOARD TNPA3003 TNPA3003 SEE REVERSE FOR ORDERNO. JK8500 L8502 L8501 V1-BOARD TXNV110QJS V1-BOARD TXNV110QJS S1-BOARD TNPA2868AB S1-BOARD TNPA2868AB H3-BOARD TNPA3003 H3-BOARD TNPA3003 –... - Page 52 50XP37 – 52 –...
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Page 53: Schematic Diagram Notes
Block and Schematic Diagrams 50XP37 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 54 50XP37 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 54 –...
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Page 55: Replacement Panel Handling Precautions And Replacement Procedure
50XP37 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 56 50XP37 – 56 –...
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Page 57: Parts Location
50XP37 14 Parts Location – 57 –... - Page 58 50XP37 – 58 –...
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Page 59: Chassis And Cabinet Replacement Parts List
· · · · · 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 : 50XP37C/50XP37E/50XP37F/50XP37H Capacitors ..... CD : Ceramic Disk... - Page 60 50XP37 Location Parts No. Description Location Parts No. Description L956 72000837 COIL, NOISE FILTER, ELKE103FA I6406 72001847 IC, SN755866PZP C0HBC0000007 L957 72000837 COIL, NOISE FILTER, ELKE103FA I6411 72001847 IC, SN755866PZP C0HBC0000007 L958 72000837 COIL, NOISE FILTER, ELKE103FA I6412 72001847 IC, SN755866PZP C0HBC0000007 L959 72000837 COIL, NOISE FILTER, ELKE103FA I6413...
- Page 61 50XP37 Location Parts No. Description Location Parts No. Description IC521 72792246 TRANSISTOR, C0JBAF000367 Q6539 72792178 FET, 2SK349400L IC550 72792125 LINEAR IC, UPC24M18AHF Q6542 72790942 TRANSISTOR, 2SK373100L IC551 72790998 IC, C5HABZZ00123 Q6543 72790942 TRANSISTOR, 2SK373100L IC552 72790997 IC, C5HABZZ00080 Q6544 72790942 TRANSISTOR, 2SK373100L IC555 72790967 IC, C0DAAHG00007 Q6545...
- Page 62 50XP37 Location Parts No. Description Location Parts No. Description D554 72792214 DIODE, ERA15-01 MISCELLANEOUS D557 72000361 DIODE, TMPG10G3 A151 72000662 SCREW, THEA068N D558 72000361 DIODE, TMPG10G3 A152 72000663 SCREW, THEL023Z D560 72000344 DIODE, RC3B2LFU1 A153 72792279 SCREW, THEL027N D561 72792215 ZENER DIODE, MA3075MTX A154 72792280 SCREW, THEL035N D567...
- Page 63 Location Parts No. Description Location Parts No. Description E217 72792126 CIRCUIT BOARD-SS3, TNPA2920 A125 72792073 REMOCON RECEIVER, TKPA63401 E218 72001848 CIRCUIT BOARD-SU TNPA3128 A126 72790382 EADG SADOLE , TMME075 E219 72792169 CIRCUIT BOARD-V1, TXNV110QJS A127 72792076 CLAMPER, POWER CORD, TMME225 E220 72792095 CIRCUIT BOARD-Z, TNPA2815 A128...
- Page 64 50XP37 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 64 –...
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Page 65: Specifications
50XP37 16 Specifications Power Source: AC220-240V 50/60Hz Power Consumption: 445 W Save off 1.9 W, Save on 1.1 W (stand-by condition) 0.4 W (Power off condition) Plasma Display panel: Drive method AC type 16:9 aspect ratio Contrast Ratio 3000:1 Screen size: 1,106 mm (W) ×... - Page 66 TOSHIBA CORPORATION 1-1, SHIBAURA 1- CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...