Service Manuals, User Guides, Schematic Diagrams or docs for : TOSHIBA LCD 42WP16A Toshiba_42WP16A_42WP16H_42WP16C_42WP16E_42WP16R_42WP16B_[SM]
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FILE NO. 050-200121
SERVICE MANUAL
PLASMA DISPLAY MONITOR
42WP16A, 42WP16H
42WP16C, 42WP16E
42WP16R, 42WP16B
PRINTED IN JAPAN Dec.,2001 2
CONTENTS
Page Page
1 Safety Precautions 4 12 Block and Schematic Diagrams 59
1.1. General Guidelines 4 12.1. Schematic Diagram Notes 59
2 Prevention of Electro Static Discharge (ESD) to 12.2. Main Block Diagram 60
Electrostatically Sensitive (ES) Devices 5 12.3. Power Block Diagram 61
3 PCB Structure sheet of GP4D chassis 6 12.4. P1-Board Schematic Diagrams 62
4 Service Hint 7 12.5. F and P3-Board Schematic Diagram 63
5 Location of Lead Wiring 8 12.6. P5, P6, P7 and P8-Board Schematic diagram 64
6 Adjustment Procedure 9 12.7. HX Block Diagram 65
6.1. +B Set-up 9 12.8. HX-Board Schematic Diagrams 66
6.2. Driver Set-up 9 12.9. HZ Block Diagrams 67
6.3. Initialization Pulse Adjust 10 12.10. HZ-Board (1/2) (Option RTB421) Schematic Diagram 68
6.4. P.C.B. (Printed Circuit Board) exchange 11 12.11. HZ-Board (2/2) (Option RTB421) Schematic Diagram 69
6.5. Adjustment Volume Location 11 12.12. J-Board Block Diagrams 70
6.6. Test Point Location 11 12.13. J-Board (1/5) Schematic Diagrams 71
7 Serviceman mode 12 12.14. J-Board (2/5) Schematic Diagrams 72
7.1. CAT (computer Aided Test) mode 12 12.15. J-Board (3/5) and H3-Board Schematic Diagrams 73
7.2. IIC mode structure (following items value is sample data.) 12.16. J-Board (4/5) Schematic Diagrams 74
14 12.17. J-Board (5/5) Schematic Diagrams 75
8 Alignment 15 12.18. D-Block Diagrams 76
8.1. NTSC panel white balance 15 12.19. D-Board (1/14) Schematic Diagrams 77
8.2. PAL/SECAM panel white balance 16 12.20. D-Board (2/14) Schematic Diagrams 78
8.3. Pedestal setting 18 12.21. D-Board (3/14) Schematic Diagrams 79
8.4. PC/RGB panel white balance 19 12.22. D-Board (4/14) Schematic Diagrams 80
8.5. HD/ 525i /525p panel white balance 21 12.23. D-Board (5/14) Schematic Diagrams 81
8.6. 625i panel balance 23 12.24. D-Board (6/14) Schematic Diagrams 82
8.7. Sub brighness setting 24 12.25. D-Board (7/14) Schematic Diagrams 83
9 Trouble shooting guide 26 12.26. D-Board (8/14) Schematic Diagrams 84
9.1. Self Check 26 12.27. D-Board (9/14) Schematic Diagrams 85
9.2. No Power 27 12.28. D-Board (10/14) Schematic Diagrams 86
9.3. No Picture 28 12.29. D-Board (11/14) Schematic Diagrams 87
9.4. Local screen failure 28 12.30. D-Board (12/14) Schematic Diagrams 88
9.5. D-Board 29 12.31. D-Board (13/14) Schematic Diagrams 89
10 IC Block Diagram 31 12.32. D-Board (14/14) Schematic Diagrams 90
11 Conductor Views 33 12.33. C1-Board Schematic Diagrams 91
11.1. F-Board 33 12.34. C2-Board Schematic Diagrams 92
11.2. P1-Board 34 12.35. C3-Board and V1-Board Schematic Diagrams 93
11.3. P3, P5, P6, P7 and P8-Board 37 12.36. C4-Board Schematic Diagrams 94
11.4. HX-Board 39 12.37. SC-Board Block Diagrams 95
11.5. HZ-Board (Option RTB421) 40 12.38. SC-Board (1/2) Schematic Diagrams 96
11.6. J-Board 42 12.39. SC-Board (2/2) Schematic Diagrams 97
11.7. D-Board 44 12.40. SU/SD Block Diagram 98
11.8. C1, C2, C3 and C4-Board 47 12.41. SU-Board Schematic Diagrams 99
11.9. SC-Board 49 12.42. SD-Board Schematic Diagrams 100
11.10. SU and SD-Board 52 12.43. SS-Board Block Diagrams 101
11.11. SS, SS2 and SS3-Board 54 12.44. SS, SS2, SS3 and S1-Board Schematic Diagrams 102
11.12. H3, S1 and V1-Board 57 13 Mechanical Parts Location 103
2
14 Mechanical Replacement Parts List 105 15.2. Electrical Replacement Parts List 107
15 Replacement Parts List 106 16 Specifications 128
15.1. Relpacement Parts List Notes 106
3
1 Safety Precautions
1.1. General Guidelines
1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or
damaged by the short circuit.
2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly
installed.
3. After servicing, make the following leakage current checks to prevent the customer from being exposed to shock hazards.
1.1.1. Leakage Current Cold Check
1. Unplug the AC cord and connect a jumper between the two
prongs on the plug.
2. Measure the resistance value, with an ohmmeter, between
the jumpered AC plug and each exposed metallic cabinet
part on the equipment such as screwheads, connectors,
control shafts, etc. When the exposed metallic part has a
return path to the chassis, the reading should be between
1M9 and 5.2M9.
When the exposed metal does not have a return path to
the chassis, the reading must be .
Figure 1
1.1.2. Leakage Current Hot Check (See
Figure 1.)
1. Plug the AC cord directly into the AC outlet. Do not use an
isolation transformer for this check.
2. Connect a 1.5k9, 10 watts resistor, in parallel with a 0.15◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo