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Subject : Change P-board
Please file and use this manual together with the service manual for Model No
TH-42PX50U (Main), ORDER NO. ITD0503013CE
TH-42PX500U (Main), ORDER NO. MTNC050632C1
CONTENTS
Digital High Definition Plasma Television
TH-42PX50UA
TH-42PX500UA
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2
2
2
2
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3
4
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5
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7 Schematic Diagram for printing with A4
ORDER NO. ITD0510061SE
© 2005 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
Unauthorized
distribution is a violation of law.
B19 Canada : B07
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9
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copying
and
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Table of Contents
Related Manuals for Panasonic TH-42PX50UA
Summary of Contents for Panasonic TH-42PX50UA
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Page 1: Table Of Contents
1.3. Interchangeability for CIRCUIT BOARD P 5.2. P-Board Block Diagram 2 Note 5.3. P-Board (1 of 6) Schematic Diagram 2.1. TH-42PX50UA 5.4. P-Board (2 of 6) Schematic Diagram 2.2. TH-42PX500UA 5.5. P-Board (3 of 6) Schematic Diagram 3 Adjustment Procedure 5.6. -
Page 2: Parts Change Notice
TH-42PX50UA / TH-42PX500UA 1 Parts Change Notice 1.1. Mechanical Replacement Parts List TH-42PX50UA Ref. No. TH-42PX50U TH-42PX50UA Parts name & Description Remarks (Original Parts No.) (New Parts No.) TTUA1149 TTUA1328 REAR COVER Model Name Plate is different only. TH-42PX500UA Ref. No. -
Page 3: Note
TH-42PX50U / TH-42PX500U 2 Note 2.1. TH-42PX50UA 1. Model number is indication in rear cover is only "TH-42PX50U " only in rear cover as shown in figure. 2. TH-42PX50U was discontinued and TH-42PX50U was introduced from NOV/2005. 2.2. TH-42PX500UA 1. Model number is indication in rear cover is only "TH-42PX500U "... -
Page 4: Adjustment Procedure
TH-42PX50U / TH-42PX500U 3 Adjustment Procedure 3.1.2. Adjustments 3.1. Driver Set-up Adjust driver section voltages referring the panel data on the 3.1.1. Item / Preparation panel data label. 1. Input a white signal of the RGB signal generator. Name Test Point Voltage Volume Remarks... -
Page 5: Initialization Pulse Adjust
TH-42PX50U / TH-42PX500U 3.2. Initialization Pulse Adjust 1. Input the White signal to plasma video input. 2. Set the picture controls as follows. · Picture menu: Standard · Color temperature : Middle · Picture : 25 3. Connect Oscilloscope to TPSC1 (T1) and check for 15±10µ Sec. 4. -
Page 6: Printed Circuit Board) Exchange
TH-42PX50U / TH-42PX500U 3.3. P.C.B. (Printed Circuit Board) exchange 3.3.1. Caution 1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors. 3.3.2. Quick adjustment after P.C.B. exchange P.C.B. Name Test Point Voltage Volume Remarks P Board Vsus... -
Page 7: Test Point Location
TH-42PX50U / TH-42PX500U 3.5. Test Point Location... - Page 8 TH-42PX50U / TH-42PX500U...
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Page 9: Conductor Views
TH-42PX50U / TH-42PX500U 4 Conductor Views 4.1. P-Board P-BOARD (FOIL SIDE) TNPA3724AB TH-42PX50U TH-42PX50U TH-42PX500U TH-42PX500U P-BOARD TNPA3724AB P-BOARD TNPA3724AB... - Page 10 TH-42PX50U / TH-42PX500U TH-42PX50U TH-42PX500U Parts Location Parts Location P-BOARD (FOIL SIDE) P-BOARD (COMPONENT SIDE) TRANSISTOR TRANSISTOR Q434 Q527 Q435 Q530 IC401 Q401 IC406 Q404 Q436 Q535 IC402 Q403 IC503 Q406 Q438 Q536 IC403 Q404 IC504 Q412 Q439 Q537 IC404 Q406 IC509 Q413...
- Page 11 TH-42PX50U / TH-42PX500U P-BOARD (COMPONENT SIDE) TNPA3724AB TH-42PX50U TH-42PX50U TH-42PX500U TH-42PX500U P-BOARD TNPA3724AB P-BOARD TNPA3724AB...
- Page 12 TH-42PX50U / TH-42PX500U...
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Page 13: Block And Schematic Diagrams
TH-42PX50U / TH-42PX500U 5 Block and Schematic Diagrams 5.1. Schematic Diagram Notes... -
Page 14: P-Board Block Diagram
TH-42PX50U / TH-42PX500U 5.2. P-Board Block Diagram COLD P POWER SUPPLY D539 D417 Q527 SS12 D419 PR401 T404 D531 395V 395V Vda 70V Q412 D532 D420 C446 C555 D542 D544 D545 T401 R670 D427 Q404 +15V Q408 D569 D534 Q406 STB12V D428 IC512... -
Page 15: P-Board (1 Of 6) Schematic Diagram
TH-42PX50U / TH-42PX500U 5.3. P-Board (1 of 6) Schematic Diagram P-BOARD TNPA3724AB (1/6) D504 MA165 D503 MA165 COLD COLD COLD RL403 RL402 TSEH8011 TSE10801 C461 330p ZH73 ZH75 PR401 Z450 Z451 C443 K5Y502BA001 EYF52BCY ZH10 1000p EYF52BCY AC CORD R410 ZH54 ZH55 F401... -
Page 16: P-Board (2 Of 6) Schematic Diagram
TH-42PX50U / TH-42PX500U 5.4. P-Board (2 of 6) Schematic Diagram P-BOARD TNPA3724AB (2/6) K1KA10AA0194 COLD COLD SS-BOARD Vdat (SS12) Vdat R631 R674 R676 +15V C605 ZH53 180u/160V ZH57 ZH58 Q527 STB_12V ZH79 ZH86 ZH52 B1DEHL000018 T404 ZH99 ZH65 Q412 ZH84 C624 ZH83 C604... -
Page 17: P-Board (3 Of 6) Schematic Diagram
TH-42PX50U / TH-42PX500U 5.5. P-Board (3 of 6) Schematic Diagram P-BOARD (1/6) COLD Q518 P-BOARD TNPA3724AB (3/6) B1DEHL000018 L501 EXCELSA35T D507 MA4150-M R555 R926 220K PR501 K5H5022A0023 ZH68 ZH69 D566 B0HAMM000122 D404 B0EBKT000007 C529 R550 R570 R413 1000 D465 D463 ZH89 T410 Q560... -
Page 18: P-Board (4 Of 6) Schematic Diagram
TH-42PX50U / TH-42PX500U 5.6. P-Board (4 of 6) Schematic Diagram P-BOARD (2/6) Q519 B1DEHF000002 P-BOARD TNPA3724AB (4/6) C562 0.15 C525 820/25V PA-BOARD (PA10) D508 MA4150-M K1KA06A00452 F_STB_14V R564 F_STB_14V 470K SS-BOARD F_STB_14V (SS11) R635 R559 K1KA07AA0192 100K R566 100K PR601 Q558 K5G312B00012 B1CHHG000002... -
Page 19: P-Board (5 Of 6) Schematic Diagram
TH-42PX50U / TH-42PX500U 5.7. P-Board (5 of 6) Schematic Diagram P-BOARD (3/6) Q417 R404 C405 B1CHND000004 100K 0.01 R494 560K C482 IC402 R495 560K IC411 C0BBAA000038 R416 C0BBAA000038 R496 3300 COMPARATOR R408 560K 100K COMPARATOR (PFC DET) R453 (AC IN) 1000 D434 MA4082M... -
Page 20: P-Board (6 Of 6) Schematic Diagram
TH-42PX50U / TH-42PX500U 5.8. P-Board (6 of 6) Schematic Diagram P-BOARD (4/6) P-BOARD TNPA3724AB (6/6) D-BOARD (D25) K1KA19A00024 FAN_CONT STB5V F_STBY_ON FAN_SOS ECO_ON PS_SOS Panel_Main_ON ALL_OFF RUSH_ON KILL_SOS K1KA05AA0193 +15V FAN_SOS FAN_CONT PB-BOARD (PB30) TH-42PX50U, TH-42PX500U TH-42PX50U, TH-42PX500U P-Board (6 of 6) Schematic Diagram P-Board (6 of 6) Schematic Diagram... -
Page 21: Replacement Parts List (P-Board)
TH-42PX50U / TH-42PX500U 6 Replacement Parts List (P-board) 6.1. Replacement Parts List Notes... -
Page 22: Replacement Parts List (P-Board)
TH-42PX50U / TH-42PX500U 6.2. Replacement Parts List (P-board) Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C528,29 F1J1C1050011 C 1UF, Z, 50V TNPA3724AB CIRCUIT BOARD P C530 ECJ2VB1H333K C 0.033UF, K, 50V C533 ECJ2XB1H103K C 0.01UF, K, 50V... - Page 23 TH-42PX50U / TH-42PX500U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description D437 MA4082M ZENER DIODE D438 MA4150M ZENER DIODE L403 EXCELSA35 BEAD CHOKE D439 MTZJ15A ZENER DIODE L404,05 G0B123K00004 CHOKE COIL D440 MA4300M ZENER DIODE L501...
- Page 24 TH-42PX50U / TH-42PX500U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description Q553 2SD1819A TRANSISTOR R472,73 ERJ6ENF5603 M 560KOHM, 1/10W Q554 B1DHBD000004 TRANSISTOR R474 ERG1SJ104P M 100KOHM, J, 1W Q557 2SD1819A TRANSISTOR R475 ERJ6EKF6803 M 680KOHM, 1/10W Q558...
- Page 25 TH-42PX50U / TH-42PX500U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R566 ERJ6GEYJ104 M 100KOHM,J,1/10W R657 ERJ6GEYJ102 M 1KOHM,J,1/10W R567 ERJ8GEYJ472 M 4.7KOHM, J,1/8W R658 ERJ6GEYJ105 M 1MOHM,J,1/10W R568,69 ERG2SJ181 M 180 OHM, J, 2W R659 ERJ6ENF3002 M 30KOHM, 1/10W...
- Page 26 TH-42PX50U / TH-42PX500U Ref. Part No. Part Name & Remarks Description T410 G4D2A0000229 SWITCHING TRANSFORMER T601 G4D1A0000116 SWITCHING TRANSFORMER VR351 EVMAASA00B33 CONTROL 3KOHMB VR352 EVMAASA00B23 CONTROL 2KOHMB X501 H2B400400021 CRYSTAL Z1,Z2 K4ZZ01000206 TERMINAL Z420 TMM23417 CLAMPER Z421,22 TMM7464-2 CLAMPER Z423 TMME047 CLAMPER Z424,25 TMME190...