Panasonic TH-42PX50U service manual (GP8DU Chassis)

$7.95

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODELS :

TH-37PX50U
TH-42PX50U
TH-50PX50U



Your service manual will be available to download (pdf format) following your payment!

CONTENTS
1 Applicable signals 6
2 Safety Precautions 6
2.1. General Guidelines 6
3 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 7
4 About lead free solder (PbF) 8
5 Service Hint 9
5.1. TH-37, 42PX50U 9
5.2. TH-50PX50U 10
6 Plasma panel replacement method 11
6.1. Remove the Back cover. 11
6.2. Remove the P-Board. 11
6.3. Remove the PB-Board 11
6.4. Remove the D-Board 11
6.5. Remove the rear terminal cover 12
6.6. Remove the metal frame 12
6.7. Remove the DT-Board and DV-Board 12
6.8. Remove the DG-Board 13
6.9. Remove the H-Board 13
6.10. Remove the PA-Board 13
6.11. Remove the Z-Board 13
6.12. Remove the SU-Board(37inch) 14
6.13. Remove the SU-Board(42inch) 14
6.14. Remove the SU-Board(50inch) 15
6.15. Remove the SD-Board(37inch) 15
6.16. Remove the SD-Board(42inch) 16
6.17. Remove the SD-Board(50inch) 16
6.18. Remove the SC-Board(37, 42inch) 17
6.19. Remove the SC-Board(50inch) 17
6.20. Remove the SS2-Board(42, 50inch) 17
6.21. Remove the SS3-Board(42, 50inch) 17
6.22. Remove the SS-Board(37, 42inch) 18
6.23. Remove the SS-Board(50inch) 18
6.24. Remove the Fan 18
6.25. Remove the C1-Board(37, 42inch) 19
6.26. Remove the C2-Board(37, 42inch) 19
6.27. Remove the C1-Board(50inch) 19
6.28. Remove the C2-Board(50inch) 19
6.29. Remove the C3-Board(50inch) 20
6.30. Remove the Speaker L, R 20
6.31. Remove the stand brackets. 20
6.32. Remove the C3-Board(37, 42inch) 20
6.33. Remove the C4-Board(37, 42inch) 21
6.34. Remove the C4-Board(50inch) 21
6.35. Remove the C5-Board(50inch) 21
6.36. Remove the C6-Board(50inch) 21
6.37. Remove the K-Board 22
6.38. Remove the S-Board 22
6.39. Remove the Plasma panel section from the Front frame
(glass) 22
6.40. Replace the plasma panel (finished). 23
7 Location of Lead Wiring 24
7.1. Lead of Wiring (1) 24
7.2. Lead of Wiring (2) 25
7.3. Lead of Wiring (3) 26
7.4. Lead of Wiring (4) 27
7.5. Lead of Wiring (5) 28
7.6. Lead of Wiring (6) 29
7.7. Lead of Wiring (7) 30
7.8. Lead of Wiring (8) 31
7.9. Lead of Wiring (9) 32
7.10. Lead of Wiring (10) 33
8 Self-check Function 34
8.1. How to access 34
8.2. Power LED Blinking timing chart 35
8.3. No Power 36
8.4. No Picture 37
8.5. Local screen failure 38
9 Serviceman Mode 39
9.1. How to enter into Serviceman Mode 39
9.2. Cancellation 39
9.3. Contents of adjustment mode 39
9.4. Option 40
10 Adjustment Procedure 41
10.1. Driver Set-up 41
10.2. Initialization Pulse Adjust 42
10.3. P.C.B. (Printed Circuit Board) exchange 43
10.4. Adjustment Volume Location 44
10.5. Test Point Location 45
11 Hotel mode 46
12 Conductor View 47
12.1. P-Board (37inch) 47
12.2. P-Board (42inch) 50
12.3. P-Board (50inch) 53
12.4. PA-Board 56
12.5. PB-Board 57
12.6. H-Board 58
12.7. DT-Board 60
12.8. DV-Board 62
12.9. DG-Board 63
12.10. Z-Board 65
12.11. D-Board (37, 42inch) 66
12.12. D-Board (50inch) 69
12.13. C1-Board (37inch) 72
12.14. C2-Board (37inch) 73
12.15. C3-Board (37inch) 74
12.16. C4-Board (37inch) 75
12.17. C1-Board (42inch) 76
12.18. C2-Board (42inch) 77
12.19. C3-Board (42inch) 78
12.20. C4-Board (42inch) 79
12.21. C1-Board (50inch) 80
12.22. C2-Board (50inch) 81
12.23. C3-Board (50inch) 82
12.24. C4-Board (50inch) 83
12.25. C5-Board (50inch) 84
12.26. C6-Board (50inch) 85
12.27. SC-Board (37inch) 86
12.28. SC-Board (42inch) 89
12.29. SC-Board (50inch) 92
12.30. SU-Board (37inch) 95
12.31. SU-Board (42inch) 96
12.32. SU-Board (50inch) 97
12.33. SD-Board (37inch) 98
12.34. SD-Board (42inch) 99
12.35. SD-Board (50inch) 100
12.36. SS-Board (37inch) 101
12.37. SS, SS2 and SS3-Board (42inch) 103
12.38. SS, SS2 and SS3-Board (50inch) 105
12.39. K and S-Board 107
13 Block and Schematic Diagram 109
13.1. Schematic Diagram Notes 109
13.2. Main Block Diagram (37inch) 110
13.3. Main Block Diagram (42inch) 111
13.4. Main Block Diagram (50inch) 112
13.5. P-Board Block Diagram (37inch) 113
13.6. P-Board (1 of 6) Schematic Diagram (37inch) 114
13.7. P-Board (2 of 6) Schematic Diagram (37inch) 115
13.8. P-Board (3 of 6) Schematic Diagram (37inch) 116
13.9. P-Board (4 of 6) Schematic Diagram (37inch) 117
13.10. P-Board (5 of 6) Schematic Diagram (37inch) 118
13.11. P-Board (6 of 6) Schematic Diagram (37inch) 119
13.12. P-Board Block Diagram (42inch) 120
13.13. P-Board (1 of 2) Schematic Diagram (42inch) 121
13.14. P-Board (2 of 2) Schematic Diagram (42inch) 122
13.15. P-Board Block Diagram (50inch) 123
13.16. P-Board (1 of 2) Schematic Diagram (50inch) 124
13.17. P-Board (2 of 2) Schematic Diagram (50inch) 125
13.18. PA and PB Board Block Diagram 126
13.19. PA-Board Schematic Diagram 127
13.20. PB-Board Schematic Diagram 128
13.21. H, K, S and Z-Board Block Diagram 129
13.22. H-Board (1 of 3) Schematic Diagram 130
13.23. H-Board (2 of 3) Schematic Diagram 131
13.24. H-Board (3 of 3) Schematic Diagram 132
13.25. Z-Board Schematic Diagram 133
13.26. K and S-Board Schematic Diagram 134
13.27. DV-Board Block Diagram 135
13.28. DV-Board Schematic Diagram 136
13.29. DT-Board Block Diagram 137
13.30. DT-Board (1 of 5) Schematic Diagram 138
13.31. DT-Board (2 of 5) Schematic Diagram 139
13.32. DT-Board (3 of 5) Schematic Diagram 140
13.33. DT-Board (4 of 5) Schematic Diagram 141
13.34. DT-Board (5 of 5) Schematic Diagram 142
13.35. DG-Board (1 of 2) Block Diagram 143
13.36. DG-Board (2 of 2) Block Diagram 144
13.37. DG-Board (1 of 11) Schematic Diagram 145
13.38. DG-Board (2 of 11) Schematic Diagram 146
13.39. DG-Board (3 of 11) Schematic Diagram 147
13.40. DG-Board (4 of 11) Schematic Diagram 148
13.41. DG-Board (5 of 11) Schematic Diagram 149
13.42. DG-Board (6 of 11) Schematic Diagram 150
13.43. DG-Board (7 of 11) Schematic Diagram 151
13.44. DG-Board (8 of 11) Schematic Diagram 152
13.45. DG-Board (9 of 11) Schematic Diagram 153
13.46. DG-Board (10 of 11) Schematic Diagram 154
13.47. DG-Board (11 of 11) Schematic Diagram 155
13.48. D-Board Block Diagram (37, 42inch) 156
13.49. D-Board Block Diagram (50inch) 157
13.50. D-Board (1 of 6) Schematic Diagram 158
13.51. D-Board (2 of 6) Schematic Diagram 159
13.52. D-Board (3 of 6) Schematic Diagram 160
13.53. D-Board (4 of 6) Schematic Diagram 161
13.54. D-Board (5 of 6) Schematic Diagram 162
13.55. D-Board (6 of 6) Schematic Diagram 163
13.56. C1, C2, C3 and C4-Board Block Diagram (37, 42inch) 164
13.57. C1-Board (1 of 2) Schematic Diagram (37inch) 165
13.58. C1-Board (2 of 2) Schematic Diagram (37inch) 166
13.59. C2-Board (1 of 2) Schematic Diagram (37inch) 167
13.60. C2-Board (2 of 2) Schematic Diagram (37inch) 168
13.61. C3-Board (1 of 2) Schematic Diagram (37inch) 169
13.62. C3-Board (2 of 2) Schematic Diagram (37inch) 170
13.63. C4-Board (1 of 2) Schematic Diagram (37inch) 171
13.64. C4-Board (2 of 2) Schematic Diagram (37inch) 172
13.65. C1-Board (1 of 2) Schematic DIagram (42inch) 173
13.66. C1-Board (2 of 2) Schematic DIagram (42inch) 174
13.67. C2-Board (1 of 2) Schematic Diagram (42inch) 175
13.68. C2-Board (2 of 2) Schematic Diagram (42inch) 176
13.69. C3-Board (1 of 2) Schematic Diagram (42inch) 177
13.70. C3-Board (2 of 2) Schematic Diagram (42inch) 178
13.71. C4-Board (1 of 2) Schematic Diagram (42inch) 179
13.72. C4-Board (2 of 2) Schematic Diagram (42inch) 180
13.73. C1, C2,C5 and C6-Board Block Diagram (50inch) 181
13.74. C3 and C4-Board Block Diagram (50inch) 182
13.75. C1-Board (1 of 2) Schematic Diagram (50inch) 183
13.76. C1-Board (2 of 2) Schematic Diagram (50inch) 184
13.77. C2-Board (1 of 2) Schematic Diagram (50inch) 185
13.78. C2-Board (2 of 2) Schematic Diagram (50inch) 186
13.79. C3-Board (1 of 2) Schematic Diagram (50inch) 187
13.80. C3-Board (2 of 2) Schematic Diagram (50inch) 188
13.81. C4-Board (1 of 2) Schematic Diagram (50inch) 189
13.82. C4-Board (2 of 2) Schematic Diagram (50inch) 190
13.83. C5-Board (1 of 2) Schematic Diagram (50inch) 191
13.84. C5-Board (2 of 2) Schematic Diagram (50inch) 192
13.85. C6-Board (1 of 2) Schematic Diagram (50inch) 193
13.86. C6-Board (2 of 2) Schematic Diagram (50inch) 194
13.87. SC-Board Block Diagram (37inch) 195
13.88. SC-Board (1 of 2) Schematic Diagram (37inch) 196
13.89. SC-Board (2 of 2) Schematic Diagram (37inch) 197
13.90. SC-Board Block Diagram (42inch) 198
13.91. SC-Board (1 of 2) Schematic Diagram (42inch) 199
13.92. SC-Board (2 of 2) Schematic Diagram (42inch) 200
13.93. SC-Board Block Diagram (50inch) 201
13.94. SC-Board (1 of 2) Schematic Diagram (50inch) 202
13.95. SC-Board (2 of 2) Schematic Diagram (50inch) 203
13.96. SU-Board Block Diagram (37inch) 204
13.97. SU-Board (1 of 2) Schematic Diagram (37inch) 205
13.98. SU-Board (2 of 2) Schematic Diagram (37inch) 206
13.99. SU-Board Block Diagram (42, 50inch) 207
13.100. SU-Board (1 of 2) Schematic Diagram (42inch)
208
13.101. SU-Board (2 of 2) Schematic Diagram (42inch)
209
13.102. SU-Board (1 of 2) Schematic Diagram (50inch)
210
13.103. SU-Board (2 of 2) Schematic Diagram (50inch)
211
13.104. SD-Board Block Diagram (37inch)
212
13.105. SD-Board (1 of 2) Schematic Diagram (37inch)
213
13.106. SD-Board (2 of 2) Schematic Diagram (37inch)
214
13.107. SD-Board Block Diagram (42, 50inch)
215
13.108. SD-Board (1 of 2) Schematic Diagram (42inch)
216
13.109. SD-Board (2 of 2) Schematic Diagram (42inch)
217
13.110. SD-Board (1 of 2) Schematic Diagram (50inch)
218
13.111. SD-Board (2 of 2) Schematic Diagram (50inch)
219
13.112. SS-Board Block Diagram (37inch)
220
13.113. SS-Board Schematic Diagram (37inch)
221
13.114. SS, SS2 and SS3-Board Block Diagram (42inch)
222
13.115. SS, SS2 and SS3-Board Schematic Diagram (42inch)
223
13.116. SS, SS2 and SS3-Board Block Diagram (50inch)
224
13.117. SS-Board (1 of 2), SS2 and SS3 Schematic Diagram
(50inch) 225
13.118. SS-Board (2 of 2) Schematic Diagram (50inch)
226
14 Parts Location & Mechanical Replacement Parts List 227
14.1. Parts Location 227
14.2. Pcaking Exploded Views (1) 228
14.3. Pcaking Exploded Views (2) 229
14.4. Pcaking Exploded Views (3) 230
14.5. Mechanical Replacement Parts List 231
15 Electrical Replacement Parts List 233
15.1. Replacement Parts List Notes 233
15.2. Electrical Replacement Parts List (TH-37PX50U) 234
15.3. Electrical Replacement Parts List (TH-42PX50U) 262
15.4. Electrical Replacement Parts List (TH-50PX50U) 289



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