Panasonic TH-50PM50U Service manual

$7.95

High Definition Plasma Display
TH-50PM50U
GP8DU Chassis


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CONTENTS

1 Applicable signals 4
2 Safety Precautions 4
2.1. General Guidelines 4
3 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 5
4 About lead free solder (PbF) 6
5 Service Hint 7
6 Plasma panel replacement method 8
6.1. Remove the Back cover. 8
6.2. Remove the P-Board. 8
6.3. Remove the PB-Board 8
6.4. Remove the D-Board 8
6.5. Remove the rear terminal cover 9
6.6. Remove the metal frame 9
6.7. Remove the DV-Board 9
6.8. Remove the DG-Board 9
6.9. Remove the H-Board 10
6.10. Remove the PA-Board 10
6.11. Remove the Z-Board 10
6.12. Remove the SU-Board 10
6.13. Remove the SD-Board 11
6.14. Remove the SC-Board 11
6.15. Remove the SS2-Board 12
6.16. Remove the SS3-Board 12
6.17. Remove the SS-Board 12
6.18. Remove the Fan 12
6.19. Remove the C1-Board 13
6.20. Remove the C2-Board 13
6.21. Remove the C3-Board 13
6.22. Remove the Speaker L, R 13
6.23. Remove the stand brackets. 14
6.24. Remove the C4-Board 14
6.25. Remove the C5-Board 14
6.26. Remove the C6-Board 14
6.27. Remove the K-Board 15
6.28. Remove the S-Board 15
6.29. Remove the Plasma panel section from the Front frame
(glass) 15
6.30. Replace the plasma panel (finished). 16
7 Location of Lead Wiring 17
7.1. Lead of Wiring (1) 17
7.2. Lead of Wiring (2) 18
7.3. Lead of Wiring (3) 19
7.4. Lead of Wiring (4) 20
8 Self-check Function 21
8.1. How to access 21
8.2. Power LED Blinking timing chart 22
8.3. No Power 23
8.4. No Picture 24
8.5. Local screen failure 25
9 Serviceman Mode 26
9.1. How to enter into Serviceman Mode 26
9.2. Cancellation 26
9.3. Contents of adjustment mode 26
9.4. Option 27
10 Adjustment Procedure 28
10.1. Driver Set-up 28
10.2. Initialization Pulse Adjust 29
10.3. P.C.B. (Printed Circuit Board) exchange 30
10.4. Adjustment Volume Location 30
10.5. Test Point Location 30
11 Adjustment 31
11.1. NTSC white balance adjustment 31
11.2. HD white balance adjustment 32
11.3. Sub bright adjustment 33
11.4. ABL operation level adjustment 33
12 Conductor View 35
12.1. P-Board 35
12.2. PA-Board 38
12.3. PB-Board 39
12.4. H-Board 40
12.5. DV-Board 42
12.6. DG-Board 43
12.7. Z-Board 45
12.8. D-Board 46
12.9. C1-Board 49
12.10. C2-Board 50
12.11. C3-Board 51
12.12. C4-Board 52
12.13. C5-Board 53
12.14. C6-Board 54
12.15. SC-Board 55
12.16. SU-Board 58
12.17. SD-Board 59
12.18. SS, SS2 and SS3-Board 60
12.19. K and S-Board 62
13 Block and Schematic Diagram 63
13.1. Schematic Diagram Notes 63
13.2. Main Block Diagram 64
13.3. P-Board Block Diagram 65
13.4. P-Board (1 of 2) Schematic Diagram 66
13.5. P-Board (2 of 2) Schematic Diagram 67
13.6. PA and PB Board Block Diagram 68
13.7. PA-Board Schematic Diagram 69
13.8. PB-Board Schematic Diagram 70
13.9. H, K, S and Z-Board Block Diagram 71
13.10. H-Board (1 of 2) Schematic Diagram 72
13.11. H-Board (2 of 2) Schematic Diagram 73
13.12. Z-Board Schematic Diagram 74
13.13. K and S-Board Schematic Diagram 75
13.14. DV-Board Block Diagram 76
13.15. DV-Board Schematic Diagram 77
13.16. DG-Board (1 of 2) Block Diagram 78
13.17. DG-Board (2 of 2) Block Diagram 79
13.18. DG-Board (1 of 6) Schematic Diagram 80
13.19. DG-Board (2 of 6) Schematic Diagram 81
13.20. DG-Board (3 of 6) Schematic Diagram 82
13.21. DG-Board (4 of 6) Schematic Diagram 83
13.22. DG-Board (5 of 6) Schematic Diagram 84
13.23. DG-Board (6 of 6) Schematic Diagram 85
13.24. D-Board Block Diagram 86
13.25. D-Board (1 of 6) Schematic Diagram 87
13.26. D-Board (2 of 6) Schematic Diagram 88
13.27. D-Board (3 of 6) Schematic Diagram 89
13.28. D-Board (4 of 6) Schematic Diagram 90
13.29. D-Board (5 of 6) Schematic Diagram 91
13.30. D-Board (6 of 6) Schematic Diagram 92
13.31. C1, C2,C5 and C6-Board Block Diagram 93
13.32. C3 and C4-Board Block Diagram 94
13.33. C1-Board (1 of 2) Schematic Diagram 95
13.34. C1-Board (2 of 2) Schematic Diagram 96
13.35. C2-Board (1 of 2) Schematic Diagram 97
13.36. C2-Board (2 of 2) Schematic Diagram 98
13.37. C3-Board (1 of 2) Schematic Diagram 99
13.38. C3-Board (2 of 2) Schematic Diagram 100
13.39. C4-Board (1 of 2) Schematic Diagram 101
13.40. C4-Board (2 of 2) Schematic Diagram 102
13.41. C5-Board (1 of 2) Schematic Diagram 103
13.42. C5-Board (2 of 2) Schematic Diagram 104
13.43. C6-Board (1 of 2) Schematic Diagram 105
13.44. C6-Board (2 of 2) Schematic Diagram 106
13.45. SC-Board Block Diagram 107
13.46. SC-Board (1 of 2) Schematic Diagram 108
13.47. SC-Board (2 of 2) Schematic Diagram 109
13.48. SU-Board Block Diagram 110
13.49. SU-Board (1 of 2) Schematic Diagram 111
13.50. SU-Board (2 of 2) Schematic Diagram 112
13.51. SD-Board Block Diagram 113
13.52. SD-Board (1 of 2) Schematic Diagram 114
13.53. SD-Board (2 of 2) Schematic Diagram 115
13.54. SS, SS2 and SS3-Board Block Diagram 116
13.55. SS-Board (1 of 2), SS2 and SS3 Schematic Diagram 117
13.56. SS-Board (2 of 2) Schematic Diagram 118
14 Parts Location & Mechanical Replacement Parts List 119
14.1. Parts Location 119
14.2. Pcaking Exploded Views (1) 120
14.3. Pcaking Exploded Views (2) 121
14.4. Pcaking Exploded Views (3) 122
14.5. Mechanical Replacement Parts List 123
15 Electrical Replacement Parts List 125
15.1. Replacement Parts List Notes 125
15.2. Electrical Replacement Parts List 126



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