Read Panasonic TC-15DT2 Service Manual online
1 Safety Precautions
4
1.1. General Guidelines
4
2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
4
3 Precaution of Laser Diode
5
4 Handling Precautions For Traverse Deck
5
4.1. Handling of optical pickup
5
4.2. Grounding for electrostatic breakdown prevention
5
5 Self-check function
6
5.1. How to access
6
5.2. Screen display
6
5.3. Display phenomenon and treatment method
6
5.4. DVD self-diagnosis
6
6 Servicing method (DVD unit)
8
6.1. When disc is unloadable
8
6.2. Replacing A-PCB
9
6.3. Replacing H-PCB and PD-PCB
14
6.4. Replacing HA-PCB
15
6.5. Replacing K-PCB (operation panel) and J-PCB (junction)
15
6.6. Replacing PS-PCB (power supply switch)
16
6.7. Replacing speakers (SP)
16
7 Servicing method (LCD panel)
17
7.1. Replacing LCD panel PCB
17
7.2. Removing fluorescent lamp
18
7.3. Adjustment of LCD panel PCB
19
7.4. Service Position
20
8 Assembling and Disassembling the Optical Pickup
(Mechanical Parts)
21
8.1. Handling the Optical Pickup
21
8.2. Disassembly Procedure
21
8.3. Disassembling the Clamp Base Unit
22
8.4. Disassembling the Clamper Weight, Clamper Yoke,
Magnet and Clamper
22
8.5. Disassembling the Traverse Unit
22
8.6. Disassembling the Stepping Motor Unit
23
8.7. Disassembling the Optical Pickup Unit
23
8.8. Disassembling the Nut Unit
24
8.9. Disassembling the Sub-Shaft Preload Spring
24
8.10. Assembling the Optical Pickup
24
8.11. Disassembling the Spindle Motor Unit
25
8.12. Disassembling the Intermediate Chassis
26
8.13. Disassembling the Vertical cam and Drive gear
26
8.14. Disassembling the Pulley Gear and Deceleration Gear 26
8.15. Disassembling the Mechanism Loading P.C.B.
26
9 Service Tools and Equipment
27
9.1. Service Tools and Equipment Table
27
9.2. Storing and Handling Test Discs
27
10 Adjustment method
28
10.1. How to enter into adjustment mode
28
10.2. Cancellation
28
10.3. Contents of adjustment mode
28
10.4. DVD level adjustment
29
10.5. Video level adjustment
31
11 Conductor Views
33
11.1. P-Board
33
11.2. A-Board
35
11.3. DG-Board
38
11.4. H, HA, J, K, PD, PSand Z-Board
40
11.5. DVD Module-Board
41
12 Abbreviations
45
13 Voltage Chart
47
13.1. DVD Module Board
47
14 Block and Schematic Diagram
51
14.1. Schematic Diagram Notes
51
14.2. DVD Overall Block Diagram
52
14.3. DVD Servo Block Diagram
53
14.4. Power Block Diagrams
54
14.5. Signal Block Diagrams
56
14.6. DG-Board Block Diagrams
58
14.7. Interconnection Schematic Diagrams
59
14.8. H, HA, and A-Board (1/6) Schematic Diagrams
60
14.9. A-Board (2/6) Schematic Diagrams
61
14.10. A-Board (3/6) Schematic Diagrams
62
14.11. A-Board (4/6) Schematic Diagrams
63
14.12. A-Board (5/6) Schematic Diagrams
64
14.13. A-Board (6/6) Schematic Diagrams
65
14.14. DG-Board (1/4) Schematic Diagram
66
14.15. DG-Board (2/4) Schematic Diagram
67
14.16. DG-Board (3/4) Schematic Diagram
68
14.17. DG-Board (4/4) Schematic Diagram
69
14.18. J, K, and PS-Board Schematic Diagram
70
14.19. P-Board (1/3) and Z-Board Schematic Diagram
71
14.20. P-Board (2/3) and PD-Board Schematic Diagram
72
14.21. P-Board (3/3) Schematic Diagram
73
14.22. ADSC Section (DVD Module Board (1/8)) Schematic
Diagram
74
14.23. AV Decorder Section (DVD Module Board (2/8))
Schematic Diagram
75
CONTENTS
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TC-15DT2
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