1 Safety Precautions 4
1.1. General Guidelines 4
2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 5
3 PCB Structure sheet of GP4D chassis 6
4 Service Hint 7
5 Location of Lead Wiring 8
6 Adjustment Procedure 9
6.1. +B Set-up 9
6.2. Driver Set-up 9
6.3. Initialization Pulse Adjust 10
6.4. P.C.B. (Printed Circuit Board) exchange 11
6.5. Adjustment Volume Location 11
6.6. Test Point Location 11
7 Serviceman mode 12
7.1. CAT (computer Aided Test) mode 12
7.2. IIC mode structure (following items value is sample data.)
14
8 Alignment 15
8.1. NTSC panel white balance 15
8.2. PAL/SECAM panel white balance 16
8.3. Pedestal setting 18
8.4. PC/RGB panel white balance 19
8.5. HD/ 525i /525p panel white balance 21
8.6. 625i panel balance 23
8.7. Sub brighness setting 24
9 Trouble shooting guide 26
9.1. Self Check 26
9.2. No Power 27
9.3. No Picture 28
9.4. Local screen failure 28
9.5. D-Board 29
10 IC Block Diagram 31
11 Conductor Views 33
11.1. F-Board 33
11.2. P1-Board 34
11.3. P3, P5, P6, P7 and P8-Board 37
11.4. HX-Board 39
11.5. HZ-Board (Option RTB421) 40
11.6. J-Board 42
11.7. D-Board 44
11.8. C1, C2, C3 and C4-Board 47
11.9. SC-Board 49
11.10. SU and SD-Board 52
11.11. SS, SS2 and SS3-Board 54
11.12. H3, S1 and V1-Board 57
12 Block and Schematic Diagrams 59
12.1. Schematic Diagram Notes 59
12.2. Main Block Diagram 60
12.3. Power Block Diagram 61
12.4. P1-Board Schematic Diagrams 62
12.5. F and P3-Board Schematic Diagram 63
12.6. P5, P6, P7 and P8-Board Schematic diagram 64
12.7. HX Block Diagram 65
12.8. HX-Board Schematic Diagrams 66
12.9. HZ Block Diagrams 67
12.10. HZ-Board (1/2) (Option RTB421) Schematic Diagram 68
12.11. HZ-Board (2/2) (Option RTB421) Schematic Diagram 69
12.12. J-Board Block Diagrams 70
12.13. J-Board (1/5) Schematic Diagrams 71
12.14. J-Board (2/5) Schematic Diagrams 72
12.15. J-Board (3/5) and H3-Board Schematic Diagrams 73
12.16. J-Board (4/5) Schematic Diagrams 74
12.17. J-Board (5/5) Schematic Diagrams 75
12.18. D-Block Diagrams 76
12.19. D-Board (1/14) Schematic Diagrams 77
12.20. D-Board (2/14) Schematic Diagrams 78
12.21. D-Board (3/14) Schematic Diagrams 79
12.22. D-Board (4/14) Schematic Diagrams 80
12.23. D-Board (5/14) Schematic Diagrams 81
12.24. D-Board (6/14) Schematic Diagrams 82
12.25. D-Board (7/14) Schematic Diagrams 83
12.26. D-Board (8/14) Schematic Diagrams 84
12.27. D-Board (9/14) Schematic Diagrams 85
12.28. D-Board (10/14) Schematic Diagrams 86
12.29. D-Board (11/14) Schematic Diagrams 87
12.30. D-Board (12/14) Schematic Diagrams 88
12.31. D-Board (13/14) Schematic Diagrams 89
12.32. D-Board (14/14) Schematic Diagrams 90
12.33. C1-Board Schematic Diagrams 91
12.34. C2-Board Schematic Diagrams 92
12.35. C3-Board and V1-Board Schematic Diagrams 93
12.36. C4-Board Schematic Diagrams 94
12.37. SC-Board Block Diagrams 95
12.38. SC-Board (1/2) Schematic Diagrams 96
12.39. SC-Board (2/2) Schematic Diagrams 97
12.40. SU/SD Block Diagram 98
12.41. SU-Board Schematic Diagrams 99
12.42. SD-Board Schematic Diagrams 100
12.43. SS-Board Block Diagrams 101
12.44. SS, SS2, SS3 and S1-Board Schematic Diagrams 102
13 Mechanical Parts Location 103
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