Panasonic TH-42PX20U-P Service Manual Manual pdf 95 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 95 page image
14.33. DG-Board (2 of 7) Schematic DiagramTOPL.FTOPL.FTOPSIDE TERMVAO_MUTEAFC1AFC_1ST_TNRSCL2MAIN_YHDMI_LDVI_RDVI_LSDA2HDMI_PRSCL2SDA2AB_SCL3AB_SDA3FA1SCL2SDA1SCL1RESETBT30HDMI_YRXD_TU1SUB_YSUB_PB2SUB_Y2SBIJPGMAIN_PB1SCLHDMISDA2HDMI_RSCL2SDA2HDMIWPHDMIINTHDMI_PBDVI_YDVI_PBDVI_PRJPEG_YJPEG_CSDAHDMIXRSTJPGINT0JPGINT1JPGSBTJPGSBOJPGAUDIO_LPOFF_DEFMAIN_DEFAUDIO_RTXD_TU1LOADER_IN_SELMAIN_YSUB_YSUB_PR1SUB_PBMAIN_PBMAIN_PR1 MAIN_PRMAIN_Y1AFC2_2AFC_1ST_TNRAFC_1ST_TNR_1AFC2SDA2_2SCL2_2FM_TRAPAUDIO_GNDAUDIO_RAUDIO_GNDAFC_1ST_TNR_1AFC2_2FM_TRAP_1SDA2_2SUB_Y2SUB_PB2SUB_PR2MAIN_PB1MAIN_PR1S3L3R3JPEG_CBBE_LATSC_YATSC_PBATSC_PRATSC_LATSC_RDVI_YDVI_PRDVI_LDVI_RV3L3PC_VDS3PC_HDY3KEY_SCAN2SUB5VR3KEY_SCAN1C3_3V3HP_DETSUB_PR2DVI_PBATSC_VBBE_RJPEG_YY3MAIN_Y1SCL2_2VAO_MUTEAUDIO_LSUB9VSUB5VBT30HP_DETSUB_Y_CCMAIN_Y_CCSTB3.3VMAIN_5VSUB9VSUB9VSUB5VR48280DG81234567891011121314151617181920LC4359K212T256AL1234LC4383ERJ6GEY0R00V_CQ45592SD1819A-TXR4833220L4560J0JHC0000035T601G1BYYYH0000421 34LC4411K212T256AL1234R4831220R482110KDG14123LC4357K212T256AL1234C481716V1R4825470LC4302K212T256AL1234LC4301K212T256AL1234LC4329ERJ6GEY0R00V_CR4817100LC4381ERJ6GEY0R00V_CLC4360K212T256AL1234LC4387J0HAAB0000121234LC4309K212T256AL1234R483012KL481210LC4371J0HAAB0000121234LC4351K212T256AL1234C48346.3V6.8DG2112345678LC4304K212T256AL1234LC4327ERJ6GEY0R00V_CLC4306K212T256AL1234LC4379ERJ6GEY0R00V_CLC4361K212T256AL1234DG61234567891011121314151617181920L4561J0JHC0000035R463101%R48151.5kIC4811PQ09TZ11123456R4824470LC4369J0HAAB0000121234LC4334K212T256AL1234L4557J0JHC0000035LC4308K212T256AL1234R482310KR4630 0DG221234567LC4385J0HAAB0000121234LC4352ERJ6GEY0R00V_CR16710KLC4326ERJ6GEY0R00V_CLC4362K212T256AL1234LC4414J0HAAB0000121234LC4325ERJ6GEY0R00V_CR48271kC481310V33/10VR482210KL4558J0JHC0000035LC4366J0HAAB0000121234LC4355K212T256AL1234LC4307K212T256AL1234 R1681001%R48161.37kQ45602SD1819A-TXLC4335ERJ6GEY0R00V_CT602G1BYYYH0000421 34LC4358K212T256AL1234LC4413J0HAAB0000121234LC4324ERJ6GEY0R00V_CC48336.3V6.8R482010KL4559J0JHC0000035LC4367J0HAAB0000121234R48261kR4832220LC4353K212T256AL1234C48184V100C481416V0.1LC4305K212T256AL1234LC4333ERJ6GEY0R00V_CLC4425J0HAAB0000121234LC4421J0HAAB0000121234LC4424J0HAAB0000121234LC4423J0HAAB0000121234LC4422J0HAAB0000121234DG51123456789101112131415161718192021222324252627282930R48350Q45162SD1819A-TXR4837220R4850220R484368R4841560R4838220R4849220R4845200Q45142SD1819A-TXQ45172SB1218A-TX_M R484268R484468R4852560R4846200R4847200R4851560R4853560Q45152SD1819A-TXR4839560R4848220R4836220R4840560Q45192SB1218A-TX_MQ45182SB1218A-TX_MLC4426J0HAAB0000121234LC4428J0HAAB0000121234LC4427J0HAAB0000121234LC4430J0HAAB0000121234LC4429J0HAAB0000121234DG1101102103104105106107108109110111112113114115116117201202203204205206207208209210211212213214215216217301302303304305306307308309310311312313314315316317401402403404405406407408409410411412413414415416417R4629 0R46320D4603MAZ31100MLLC4391J0HAAB0000121234LC4388J0HAAB0000121234LC4374J0HAAB0000121234D4602MAZ31100MLLC4395J0HAAB0000121234LC4372ERJ3GEY0R00V1234R46330LC4365K212T256AL1234LC4380J0HAAB0000121234LC4368K212T256AL1234R48342200LC4393J0HAAB0000121234LC4363K212T256AL1234LC4384J0HAAB0000121234DG712345678910111213141516171819202122232425262728D4601MAZ31100MLLC4370J0HAAB0000121234JS4394JS4393JS4392R_INSTB5VLODER_IN_SELSDA2SCL1SDA1EQONOFFSUBMONOSUBVOLSUBMUTEGNDRX(PANEL_SCL3)TX(PANEL_SDA3)GNDSTB5VREADY(DG->TU,H)VadjOUTINPQ07VZ012ZPGNDSWGNDVPPGNDIIC_CONTMAINSUB5VA5VD2SDOC/CS5VDSDIDGNDAGNDRESETSCLKYDGNDTXSRQGNDGNDGNDGNDRXSCL2FAN+BGNDRESETGNDPOFF_DEFGNDSCL1(AMUTE)MAIN_DEFL_INGNDSDA1SP_MUTEGNDGND_CV3_DETPC_HDS2CGNDVGND_YSW_5VSRYKEYSCAN2GNDGNDHP_DETPC_VDSWSLGNDKEYSCAN118141210 1611 1513 1756423178141513111720191218162122232425DG-BOARD TNPA2816AB (2/7)!TO(PJG22)JG-BOARDTO(PJG21)JG-BOARDTO(DV7)DV-BOARD(H1)H-BOARDTO(PA8)PA-BOARDTO(PA6)PA-BOARDTOG-BOARDTO(G7)AVR 9VTH-42PX20U-PDG-BOARD (2 of 7) Schematic Diagram TH-42PX20U-PDG-BOARD (2 of 7) Schematic DiagramTH-42PX20U-P95
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TH-42PX20U/P Operating
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