Panasonic TH-42PX20U-P Service Manual Manual pdf 77 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 77 page image
14.15. PA-Board (3 of 3) Schematic Diagram++++++++++++++ODU11/15VFAN9V/7.2VMAIN4.2VMAIN2.5VD7562MA2J11100LTPB7509R7563 12kL751222uQ7551UNR221400LC758150V4.7uL7561220uR757147kR75220PA81234567891011121314151617181920C758216V0.22uTPB7518TPB7504L7551G0C101K00023D7515MA2Q73700LQ7581UNR521100LR75201kL758133uL7563220uL7552100u1%R75653.92kJK7004K4ZZ01000121C751850V0.01uJS2101R75845.1k1%R75512.55kTPB7505R758747kC757450V0.01uR75831kC753416V330uC756316V470uR75961kR759156kL7514100uTPB7517D7581MA2J11100LQ7561UNR221400LD7582MA3X78900L1%R7512604C752125V470uIC7561C0DBCMG000011 VIN2 VO3 COM4 OADJ5 ON/OFF6COMR75800C756850V22uTPB7512C755225V220uL7513G0C101K00023L7582G1C101M00018C758550V10uJK7005K4ZZ010001211%R7511820L7510G0C101K00023TPB7519C753316V330uC757316V1uR75290D7565MA2Q73700L1%R75101.87kR756810kTPB7506R757968kTPB7514D7552MA3X152K0LL751522uR7562 12k PA23123456781%R758582kC758450V270pR75691kC756125V470uR75280JK7003K4ZZ01000121TPB7507R7561 12kC751716V820uR7564 12kC756216V470uL7511100uTPB7510R759501%R7509806D7511MAZ20680A0LSQ7582B1ABPF000005JK7002K4ZZ01000121R756047kC751625V470uD7564MA2J11100LD7512MA2Q73700LR75900Q75622SD0601A0LL7562470uHC755125V220uR751822kC755416V1uQ75632SD0601A0LTPB7513C752216V820uC757150V0.01uC752350V0.01uTPB7520C0DBCMG00001IC75511 VIN2 VO3 COM4 OADJ5 ON/OFF6COMTPB7515Q75092SD0601A0L1%R75861.37k1%R7566820D7551MA2Q73700LR75581kJK7007K4ZZ010001211%R75742.7kR757010kTPB7516D7563MA2J11100LC756750V0.01uC758350V0.1uJK7006K4ZZ010001211%R7552820D7513MAZ20510A0LSR751912kD7561MA2J11100LPA212345678910111213141516171819202122232425262728293031323334353637383940IC7581C0DBAMA000141 EaIn2 SCP3 VCC4 BR/CTL 5Out6GND7OSC8FBIC7504C0DAAZG000061 V IN2 SW out3 GND4 VO S5 ON/OFFIC7505C0DAAZG000061 V IN2 SW out3 GND4 VO S5 ON/OFFPA11123PA121234567PA13123PA14123PA15123PA171234PA211234567PA22123456789101112PA241234567PA251234PA4123456789101112MAZ41200MFD756010kR7556R75240R75170NR14V/MAIN**VSUB3.3VSUB3.3VLOADER_IN_SELSUFFIX JWABMAIN_2.5VFAN 9V/7.2VMAIN2.5VGNDTXDRXDGNDLOADER_IN_SELGNDSTB5VSRQSCL3SDA3VPPSCL3(PANEL)SDA3(PANEL)SRQGNDSCL0SDA0SRQGNDSCL0SDA0SCL3SDA3VPPRXDTXDGND12VSTB5VGNDIIC_CONTSDA3SCL3SCL1SDA2SCL2SDA1GNDSTB5VGNDRSTIRQTVONMAIN9VSUB9V2ODU11/15VODUONOFFSUB5VSUB5VMAIN9VMAIN3.3VSUB5VSUB9V1ODU11/15VBT30VFAN7V/7.2VODUMAIN_4.2VSUB-9V2ODU_OFF ON15V/11VFAN ON/OFF47k10kFAN SOSTO FAN1TO FAN2TO FAN3TO FAN4GNDFAN+BGNDTXRXGNDIIC_CONTGNDBT30V(5VD1)(5VD1)(5VD2)SUB5V&5VA1(UNREG7V)MAIN5V(MAIN5V)NR12VGNDGNDGNDSUB9VSUB9VMAIN2.5VGNDMAIN2.5V(MAIN5V)TVONAC_ON/OFFSOSFANONOFFFANMax/MinFANSOS(ODU11/15V)(ODUONOFF)GNDMAIN9VGNDGNDGNDGNDGNDGNDGNDGNDGNDMAIN5VSUB5V&5VA1SUB5VSBOBAOGND19 2725 2623 24222120TUNER 30VTO(DG2)DG-BOARDD-BOARD(D12)TO(D4)D-BOARDTOTODG-BOARD(DG8)PA-BOARD TXNPA1QKSU (3/3)!212322252430273126293228TH-42PX20U-PPA-BOARD (3 of 3) Schematic DiagramTH-42PX20U-PPA-BOARD (3 of 3) Schematic DiagramTH-42PX20U-P77
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TH-42PX20U/P Operating
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