Panasonic TH-42PX20U-P Service Manual Manual pdf 109 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 109 page image
14.47. D-Board (7 of 15) Schematic Diagram+AA_SOS1AR_RXD_TUAAE_MCDATAAA_SOS3AA_SOS2VPP12VAAO_MCHDAAO_MCVDAAE_MCCLKAAE_MCLDAA_DRVMUTE_S5VAA_DRVRST_5VAA_DRVMUTE_MAA_DRVMUTE_SAA_DRVMUTE_S5VAA_DRVMUTE_M5VAA_DRVRST_5VAA_DRVRSTAA_NRSTAJ_IIC_CONTAA_REMOCONAA_CABLE_DETAA_KEYAH_REM_OUTAAE_MCCLKAAO_MCCLKOAAO_MCLDOAAO_MCDATAOABV_D04ABV_D08 AO_A14ABV_D15 AO_A2AA_STB_ONAR_IIC_INTAAF_DPMS_VDAAF_DPMS_HDAA_ALL_OFF1AA_PS_SOSAA_FAN_SOSAH_REM_OUTAH_REM_INHAA_RUSH_ON/OFFAA_TV_ON/OFFAA_KILL_SOSAR_SCL3AR_SDA3AH_REM_INHAA_LED_RAA_LED_GABV_D15ABV_D12ABV_D14ABV_D13ABV_D05ABV_D06ABV_D07AAH_SD08AAH_SD09AAH_SD11AO_A18ABI_IABI_JABI_DABV_D09ABV_D10ABV_D11AAH_SD10ABI_AABI_BABI_DABL_VA6ABL_VA8ABI_CABL_VA4ABL_VA5AAH_SD12AAH_SD13AAH_SD14AAH_SD15ABV_D13ABV_D12ABL_VA0ABL_VA1ABV_D14ABL_VA2ABL_VA3ABL_VA7AO_A4AO_A5AO_A6AO_A7AO_A17ABV_D01ABV_D02ABV_D08ABV_D09AO_A1AO_A3AO_A0ABV_D00ABV_D11ABV_D03ABV_D10AO_A12AO_A11AO_A10AO_A9AO_A8AO_A16AO_A15AO_A13AAE_MCDATAAR_TXD_TUAR_TXD_PCAR_RXD_PCAA_REMOCON_OUTAR_TXD_PCAR_RXD_PCSTB5V_SAA_RTC_INTSTB5V_MAA_SOS_STATUS1%R991910kC976016V0.056uR9818 100R9857 1kC975650V1000pR9803100D9724MA2J11100LR9823 56R9872 0R9840 100R9890 10kR9910 100R9833 39kR9804100IC9707C0JBAE0002831 IN B2 IN A3 GND5VCC4OUT YC974116V0.1uR9921 1001%R991322kR984310kR97942.7kR9897 10kSTB5V_SR9876 10kC974216V47uR9856 100D9719MAZ30620MLR991710kR9941330C973116V0.1uR9907 10kD9730MA3X152K0LR985310kR985210kR981410R9898 0D9727MA3X152K0LR985122kC9751 0.01uUNREG14VR9908 100R99321kC973316V0.1uIC9710C0EBB000002412 IN34 GND 56OUT7VCC8R985539kR9893 100R9878 100R9811 0R99365.6kR9882 100R9873 4.7kR9904 10kC97666.3V10u1.8VR9889 100C9753 0.1uIC9704C3HAHC0000064 SI/O28 I/O19 1/O26 DT/OE3 SI/O12 SI/O010 I/O311 VCC12 WE7 I/O013 NC14 RAS1 SC15 NC16 A817 A65 SI/O318 A519 A420 VCC26QSF40VSS28NC27CAS39SI/O729DSF38SI/O637SI/O536SI/O435SE341/O733I/O632I/O531I/O422A321A723A230VSS24A125A0R9826100R9909 10kC976516V0.1uR9834 56R984410kC9754 0.1uR9846 10kR98204.7kR994010kR9894 100R9860 100R9901 0D9720MAZ30620MLR9824 56C972916V4.7uR97985.6kR9819 100R9839 100R98050R993410kR9925 0 R98161kC9755 1000pR98000R9900100R99355.6kIC9708C3EBGC0000181 A02 A13 A24 GND 5SDA6SCL7WP8VCCC974916V0.1uC973716V0.1uR99180R992422kC976916V0.1uC974016V0.1uC975016V4.7u3.3VR9886 100C976716V1uR986733R9895 100C973016V0.1uR9864 100R9829 39kSTB5V_SR9869 100D9769MA3X152K0LC976150V 33pR9945 10R9861 10kR9943 100R98591kD121234567R9868 4.7kD9723MAZ30620MLR9930100R990510kR97995.6kR9922100R9914 1kR9875 100IC9706C0JBAZ000545OE1 12I03O74I15O66I27O58I39O410GND11 I412 O313 I514 O215 I616 O117 I718 O019 OE220 VCCR9850 100R9848EXB38V103JVC975916V0.1uR994210kR95770R9849 100R9880 100R98251kR9838 0R9946 10R98711kC976250V 33pR983210kR99441kIC9703C0JBAZ00160412345678910 11121314151617181920R9858 100R9906 100C974816V0.1uR9885EXB38V103JVR993110kP5VR990310kR9883 1003.3VC9752 0.01uR98170C972816V0.1uC9768 16V1uR99201MR98273.3kC9743 16V1uR9937330R9835 56R99160R9933330R9879 100P5VR9887 10kR9923 100R97440R9896 100R9836 100C973216V0.1uD9771MA3X152K0LR983710kX9702H0J921400003R977010kR9874 100C3FBLD000039IC97051 RY/BY 44RESET2 A183 A174 A75 A66 A57 A48 A39 A210 A111 A012 CE13 VSS14 OE15 DQ016 DQ817 DQ118 DQ919 DQ220 DQ1021 DQ322 DQ11 23VCC24DQ425DQ1226DQ527DQ1328DQ629DQ1430DQ731DQ15/A-132VSS33BYTE34A1635A1536A1437A1338A1239A1140A1041A942A843WER9847 10kR9939330R9810 0Q97152SD0601A0LQ97142SD0601A0LQ97092SD0601A0LQ97082SD0601A0LQ97162SD0601A0LIC9709C2BBGF00049112345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364R999110k Q97172SD0601A0LR9990330R9992330 R999310kD9714MA3X152K0L1.8V_SQ9706B1CBHD000001GDSR980910kNCMAIN_RESETP53/SRDY23.AN0 15V_DET1.P62/AN2 SC_SOSGNDTXDRXDGNDSTB5V12V31.P21 STB_ON4.P57/INT3 RTC_INTNCP54/CNTR0 DPMS VDP55/CNTR1 DPMS HD21.P40/INT40/XCOUT SCL20.P41/INT00/XCIN SDAKEY_SCANNCDRV_SOSPOWER_SOSNCIICINTIIC SEL48.P00/AN8 A_MUTE47.P01/AN9 M_POWER46.P02/AN10 KILL_SOSIICCONTP31/DA2RUSH_ON/OFFP04/AN12DRIVER_MUTEP06/AN14 NCDRVER_RSTPOWER_SNSP11/INT01P12 NCP13 NCP14 CABLE_ZP24 LED_RP15 POWER STATP17 ALL_OFF1P16 SOS_INH29.REM_INH30.P22LODER_MD32.P20_REM OUT P25MAIN_CONFP26 LED_GP27 INT_SERIALXOUTXINVSS18.CNVSS/VPP19._RESET17.P42/INT1 FPGA CS/CNTR2 PRG RSTP47/_SRDY1P50/_SIN2 DINP51/_SOUT2 DOUTP52/_SCLK2 CLK5.P56/PWM NCP63/AN3P64/AN4P65/AN5P66/AN6P67/AN7AVSSVREFVCCP30/DA1P32/SDAP33/SCLP34/RXD3P35/TXD3P36/SCLK3P37/_SRDY3P44/RXD1 RXD_TUP45/TXD1 TXD_TUP46/SCLK1PROG_CTLP43/INT22.AN1 5V_DETP10/INT41 REM_INP07/AN15P05/AN1345.P03/AN112Y11OE VCC1A12Y41A21A31A4GND2Y32Y22OE1Y11Y21Y31Y42A42A32A22A1158 149 11 13121016191713142012111518222124232526322927283031555654575253515859ABAA AD3.3V -> 5V1Mbit VRAM8M ROM5V -> 3.3VEEPROMORRESETCONVERTMICRO PROCESSOR! D-BOARD TXN/D10QKS (7/15)TH-42PX20U-P D-BOARD (7 of 15) Schematic Diagram TH-42PX20U-P D-BOARD (7 of 15) Schematic DiagramTO(PA12)PA-BOARDTH-42PX20U-P109
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TH-42PX20U/P Operating
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