Panasonic TH-42PX20U-P Service Manual Manual pdf 130 page image
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Panasonic TH-42PX20U-P Service Manual

Also see for TH-42PX20U/P Operating: Operating instructionsService manual

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Contents
  1. specifications
  2. Table Of Contents
  3. Table Of Contents
  4. Applicable signals
  5. safety precautions
  6. Prevention of Electro Static Discharge (ESD) to
  7. About lead free solder (PbF
  8. Service Hint
  9. Location of Lead Wiring
  10. Self-check Function
  11. Power LED Blinking timing chart
  12. No Power
  13. No Picture
  14. Serviceman Mode (Electronic Controls
  15. CAT (computer Aided Test) mode
  16. IIC mode structure (following items value is sample data
  17. Adjustment Procedure
  18. initialization pulse adjust
  19. adjustment volume location
  20. hotel mode
  21. Conductor Views
  22. G-Board
  23. K and S-Board
  24. Block and Schematic Diagrams
  25. Main Block Diagram
  26. PF-Board Block Diagram
  27. PF-Board Schematic Diagram
  28. P-Board Block Diagram
  29. P-Board (1 of 6) Schematic Diagram
  30. P-Board (2 of 6) Schematic Diagram
  31. P-Board (3 of 6) Schematic Diagram
  32. P-Board (4 of 6) Schematic Diagram
  33. P-Board (5 of 6) Schematic Diagram
  34. P-Board (6 of 6) Schematic Diagram
  35. PA and G-Board Block Diagram
  36. PA-Board (1 of 3) Schematic Diagram
  37. PA-Board (2 of 3) Schematic Diagram
  38. PA-Board (3 of 3) Schematic Diagram
  39. G-Board Schematic Diagram
  40. TA, TB and H-Board Block Diagram
  41. TA and TB-Board Schematic Diagram
  42. H-Board (1 of 2) Schematic Diagram
  43. H-Board (2 of 2) Schematic Diagram
  44. DV-Board Block Diagram
  45. DV-Board (1 of 3) Schematic Diagram
  46. DV-Board (2 of 3) Schematic Diagram
  47. DV-Board (3 of 3) Schematic Diagram
  48. JG-Board Block Diagram
  49. JG-Board (1 of 5) Schematic Diagram
  50. JG-Board (2 of 5) Schematic Diagram
  51. JG-Board (3 of 5) Schematic Diagram
  52. JG-Board (4 of 5) Schematic Diagram
  53. JG-Board (5 of 5) Schematic Diagram
  54. DG-Board Block Diagram
  55. DG-Board (1 of 7) Schematic Diagram
  56. DG-Board (2 of 7) Schematic Diagram
  57. DG-Board (3of 7) Schematic Diagram
  58. DG-Board (4 of 7) Schematic Diagram
  59. DG-Board (5 of 7) Schematic Diagram
  60. DG-Board (6 of 7) Schematic Diagram
  61. DG-Board (7 of 7) Schematic Diagram
  62. D-Board (1 of 2) Block Diagram
  63. D-Board (2 of 2) Block Diagram
  64. D-Board (1 of 15) Schematic Diagram
  65. D-Board (2 of 15) Schematic Diagram
  66. D-Board (3 of 15) Schematic Diagram
  67. D-Board (4 of 15) Schematic Diagram
  68. D-Board (5 of 15) Schematic Diagram
  69. D-Board (6 of 15) Schematic Diagram
  70. D-Board (7 of 15) Schematic Diagram
  71. D-Board (8 of 15) Schematic Diagram
  72. D-Board (9 of 15) Schematic Diagram
  73. D-Board (10 of 15) Schematic Diagram
  74. D-Board (11 of 15) Schematic Diagram
  75. D-Board (12 of 15) Schematic Diagram
  76. D-Board (13 of 15) Schematic Diagram
  77. D-Board (14 of 15) Schematic Diagram
  78. D-Board (15 of 15) Schematic Diagram
  79. C1, C2, C3, C4 and K-Board Block Diagram
  80. C1-Board (1 of 2) Schematic Diagram
  81. C1-Board (2 of 2) Schematic Diagram
  82. C2-Board (1 of 2) Schematic Diagram
  83. C2-Board (2 of 2) Schematic Diagram
  84. C3-Board (1 of 2) Schematic Diagram
  85. C3-Board (2 of 2) Schematic Diagram
  86. C4-Board (1 of 2) Schematic Diagram
  87. C4-Board (2 of 2) Schematic Diagram
  88. S and K-Board Schematic Diagram
  89. SC-Board Block Diagram
  90. SC-Board (1 of 2) Schematic Diagram
  91. SC-Board (2 of 2) Schematic Diagram
  92. SU-Board Block Diagram
  93. SU-Board (1 of 2) Schematic Diagram
  94. SU-Board (2 of 2) Schematic Diagram
  95. SD-Board Block Diagram
  96. SD-Board (1 of 2) Schematic Diagram
  97. SD-Board (2 of 2) Schematic Diagram
  98. SS, S, SS2 and SS3-Board Block Diagram
  99. SS-Board (1 of 2) Schematic Diagram
  100. SS, SS2 and SS3-Board Schematic Diagram
  101. Parts Location
  102. Parts Location (2)
  103. Parts Location (3)
  104. Parts Location (4)
  105. Parts Location (5)
  106. Mechanical Replacement Parts List
  107. Replacement Parts List
  108. Electrical Replacement Parts List
Panasonic TH-42PX20U-P Service Manual Manual pdf 130 page image
14.68. SC-Board (2 of 2) Schematic Diagram+NCNdNCN1N2+++ ++NCNdNCN1N2++++++++AB_CELAA_FCLKUAA_PRODAA_FCLDAA_PROUAA_FCLUAA_FCLUAA_FCLKUAA_FSIUAB_SCSUAB_CEL2AB_SIDAB_SIUAB_CLKAB_CLAB_CPHAA_PRODAA_FCLKDAA_PROUAA_FSIDAA_FCLKDAA_FCLDAA_FSIDAA_FSIUC657616V 1uTP43Q64912SD1263AP0LBR6550471/2WR6454220R654810C645525V 220uTP47C654125V 4.7uR6605220kD6500MA2C165001VTD6461B0HCKS000001R6534471%R6570100kC652125V4.7uR65001.2k Q65312SK349400LGDSR65220R6525100kQ65042SK062000LGDSQ65502SC1473AEAD6486MAZ80560HLD6550MA2J11100LD6525MA2J11100LD6522MA2J11100LR6577470D6543MAZ80510LLD6458B3PBA0000062123 4IC6501C0JBAB0004171234567 891011121314R66501kQ64352SD0601A0LR65964.7kD6513MA2J11100LC643250V4700pR653647R64844.7kD6517B0JCME000025R680568D6553MA2J11100L1%R645710kQ64552SD0601A0LR64370R654210TP48IC6451AN1431M-E1CATHODE 31REFERENCEANODE2R648610kQ6511B1DFGL000005GDS1/2WR64491D6473MA2J11100LTP60R64832.7kR64692.2kQ64772SD0601A0LD6489MAZ80560HLD6455MA2J11100LC6493630V2200pQ65322SK349400LGDSIC6502C0JBAB0004171234567 891011121314T6451G4D1A0000072PDPT-51234 5678D6510B0JCME000025R6555100kD6547MAZ83300MLC6525200V1000pR65724701/2WR6474220IC6434B3PBA00000621 2341%R6567100kQ65542SK349400LGDSR664710R644210kR664610C650216V 1uD6532MAZ80510LLQ65372SK349400LGDSD6454B3PBA00000621 234R651610C651625V4.7uR656047C6492350V10uQ64752SD0601A0LQ65452SK373100LGDSQ64762SD0601A0LQ64722SB0709ARLC6544200V1000pD6477MA2J11100LTP811%R6456453kD6572B0ECHP000001R654910R648010kR6593220k2WR646427kAN78L15ME1IC6452IN32COMMONOUT1Q65462SK373100LGDSTP56R6571470R65032.2kC646625V4.7uR653147R653347Q65022SK062000LGDS1%R65241.8kD6469B3PBA0000062123 4R645322kTP57R680668R6579150R64353.3kR647322kC651025V4.7uD6492B0ECHP000001Q65392SK349400LGDSR6607220kR6517470R6552100R6573470Q65302SK349400LGDSC645925V 47uQ6431B1BBCJ000003R654610D6479MA2J11100LC646325V4.7uD6487MAZ80560HLSC44A1A2A3A4A5A6A7A8A9A10A11A12A13A14A15A16A17A18A19A20B1B2B3B4B5B6B7B8B9B10B11B12B13B14B15B16B17B18B19B20TP59D6521B0ECHP000001C643650V220uR6601150R652010kD6482MAZ83300MLQ6512B1DFGL000005GDSD6460B0HCKS000001D6499B0JCME000025C6456160V100u1%R6493220k1/2WR649611W R6602470R64684.7kC651225V4.7uC650616V1uC651416V1uQ65402SK373100LGDS1%R6568100kR64775k123R653847R65645.6R655810kR6578470D6524MAZ80510LLT6431ETS13TB139APN4N2123 NC45 6NC7910NCQ65422SK373100LGDSR654110TP76R6606220kR646010kIC6491AN1431M-E1CATHODE 31REFERENCEANODE2R656147R6599100R6479100kR655110kR648510kQ65472SK373100LGDSR6433100kR65592.2kR654510R680768Q65412SK373100LGDSTP40C6545200V1000p1/2WR64501C646225V4.7uR6592220k1/2WR649011% R64786.98kIC6543AN78L05M-E1IN 32COMMONOUT1D6523B0ECHP000001D6512MA2J11100LR648810kL6431J0JJC0000021IC6521C0ZBZ00007351 Vcc2 In3 Gnd4 Lo 5NC6Vs7Ho8VbR65635.6C657516V 1uC654625V4.7uIC6472AN1431M-E1CATHODE 31REFERENCEANODE2Q65612SB1073001TV1WR64988.2Q6564B1DFES000001GDS3WR65122.2C645825V4.7uIC6542C0ZBZ00007351 Vcc2 In3 Gnd4 Lo 5NC6Vs7Ho8VbQ64922SC1473AEAD6493MAZ80560HLL6471J0JJC0000021C645316V1uQ65482SK373100LGDSIC6511C0ZBZ00007351 Vcc2 In3 Gnd4 Lo 5NC6Vs7Ho8VbD6509MA2J11100LR680468C647316V1uD6502 B3PBA000019112 345R651810k1%R6492220kR664447IC6541C0ZBZ00007351 Vcc2 In3 Gnd4 Lo 5NC6Vs7Ho8VbR649710kR65072.2kC651525V4.7uR6532473WR65112.2R6594100kSC41A1A2A3A4A5A6A7A8A9A10A11A12A13A14A15A16A17A18A19A20B1B2B3B4B5B6B7B8B9B10B11B12B13B14B15B16B17B18B19B20R66481kQ65232SB1073001TVD6490MAZ80560HLQ65342SK349400LGDSQ65332SK349400LGDSR65271kD6470MA2J11100LC652235V47uR65042.2kR64553.3kQ6552B1DADU000001GDSR654310R6581100D6453MA2J11100LTP62R6459100kR65954.7kT6471G4D1A0000072PDPT-51234 5678Q6521B1DFES000001GDSC646150V100uD6549MA2J11100LTP42C657116V 1uQ64522SB0709ARLR65625.6R65012.2kQ6562B1DFES000001GDS1/2WR64321Q64322SB0709ARLTP55C650716V1uC647250V0.01uTP49D6495B0HCKS000001C646550V 0.1uQ65362SK349400LGDSR6528 1k1/2WR64311D6436B0JCKG000001R6510100C650416V 1uD6514MA2J11100LD6501 B3PBA000019112 345TP51R66491kR64874.7kR680868R65660Q64542SD814ATX2WR64658.2Q65432SK373100LGDSC645450V0.01uD6548MAZ83300ML1%R643822kTP70L6451J0JJC00000211%R6436154kR6553150C651716V1uTP45D6474B3PBA00000621 234Q65252SD21850RLQ65262SB1073001TVR653047AN78L15ME1IC6453IN 32COMMONOUT1C651125V 4.7u1%R656910kQ65242SD21850RLD6488MAZ80560HLD6478B0HCKS000001D6552B0JCME000025C650116V1uR66431kD6435MA2J11100LR6491100kD6507 B3PBA000019112 345C650316V 1uD6503 B3PBA000019112 345R680368Q65572SK373100LGDSC650516V1uC657816V 1uSC42A1A2A3A4A5A6A7A8A9A10A11A12A13A14A15A16A17A18A19A20B1B2B3B4B5B6B7B8B9B10B11B12B13B14B15B16B17B18B19B20R653947R64402.2kC654225V4.7uR64434.7kQ6563B1DFES000001GDS1%R6476324kC643316V1uC647525V 220uC6526250V47uR65082.2kC6524200V1000pTP77D6511B0HCMM000009R6591100Q65202SD0601A0LR6554100kC658116V1uD6481MAZ83300MLQ64742SD814ATXR65092.2kD6485MAZ80560HLQ65032SK062000LGDS1%R64955.23kR64720TP83R653747Q6471B1BBCJ000003R65563.9kR6590100R64392.2kIC6455AN78L05M-E1IN 32COMMONOUT1D6541B0HCKS000001TP41IC6431AN1431M-E1CATHODE 31REFERENCEANODE2R64812.7kTP46R65022.2k1%R645810kR6540101%R649414.3kTP63C650950V1000pQ65382SK349400LGDSD6518B0JCME000025Q65552SK349400LGDSQ65562SK373100LGDSR6574470D6476B0ECHP000001R651310R6529 10R64671.2kR680168TP44D6544 MA2J11100LR65062.2kD6515MAZ82400MLC6476160V100uIC6471AN1431M-E1CATHODE 31REFERENCEANODE2TP50C646725V4.7uC643525V 220uQ65352SK349400LGDSC645250V0.01uD6459MA2J11100LD6505B3PBA0000191PS9114-F3-A12 345D6542MA2J11100LR6575470AN78L05M-E1IC6454IN 32COMMONOUT1TP84Q6451B1BBCJ000003TP54C6598160V100uR65052.2kC657716V 1uR664547C643450V0.01uD6520MA2J11100LD6531MAZ80510LLD6545MAZ80510LLC658016V1uD6483B0JCME000025L6472G0ZZ00002183C643750V0.1uR6515100kD6526B0HCMM000009C6543200V1000pD6494MAZ80560HLTP611/2WR6434220D6480B3PBA0000062123 4R652647R6521100kR6514470R654710R680268D6433MA2J11100LR64824.7kSC43A1A2A3A4A5A6A7A8A9A10A11A12A13A14A15A16A17A18A19A20B1B2B3B4B5B6B7B8B9B10B11B12B13B14B15B16B17B18B19B20R64412.2kQ65442SK373100LGDSTP58R6519100Q65012SK062000LGDSQ65492SK373100LGDSR655710k123C650816V1uQ65512SD0601A0LTP80R653547D6475MA2J11100LD6546MAZ83300MLC647450V0.01uR6576470C6550160V100uR654410C6513160V100uIC6512AN78L05M-E1 IN 32COMMONOUT1D6456B0ECHP000001D6504 B3PBA000019112 3451WR65653.3kD6508 B3PBA000019112 345D6506 B3PBA000019112 345R658010kR64753.3kD6570B0HCMM000009VADVSCNINIT-RINIT-F12 158 1310 11 14946231875! SC-BOARD TXNSC10QJS (2/2)TO(SU51)SU-BOARDTO(SD51)SD-BOARDTO(SU52)SU-BOARDTO(SD52)SD-BOARDBUFFERBUFFER+5V(HT3)+5V(HT4)+5V(HT2)+5V(HT1)VSET+15V(HT1)VSCNVSETVSETFET DRIVERFET DRIVERFET DRIVERSCNAVR15V##***==#*TH-42PX20U-PSC-BOARD (2 of 2) Schematic DiagramTH-42PX20U-PSC-BOARD (2 of 2) Schematic DiagramTH-42PX20U-P130
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TH-42PX20U/P Operating
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