1 Safety Precautions 5
1.1. GENERAL GUIDELINES
5
1.2. Before Repair and Adjustment
5
1.3. Protection Circuitry
5
1.4. Safety Parts Information
6
2 Prevention of Electrostatic Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
7
3 Precaution of Laser Diode
8
4 About Lead Free Solder (PbF)
9
4.1. Service caution based on legal restrictions
9
5 Handling Precautions for Traverse Unit
10
5.1. Cautions to Be Taken in Handling the Optical Pickup Unit
10
5.2. Grounding for electrostatic breakdown prevention
10
6 Accessories
12
7 Operation Procedures
13
7.1. Remote Control Key Buttons Operations
13
7.2. Main Unit Key Buttons Operations
14
7.3. Wireless Surround
15
7.4. Using the VIERA Link “HDAVI Control™”
16
7.5. Using the Music Port
17
7.6. Disc Information
18
8 New Features
20
8.1. About HDMI
20
8.2. Wireless Features
22
9 Self-Diagnosis and Special Mode Setting
29
9.1. Service Mode Summary Table
29
9.2. Service Mode Table (Main Unit)
29
9.3. Wireless Service Mode Summary Table
39
9.4. Service Mode Table (Wireless)
40
9.5. DVD Self Diagnostic Function-Error Code
42
9.6. Sales Demonstration Lock Function
44
9.7. Service Precautions
45
10 Assembling and Disassembling
47
10.1. Disassembly Flow Chart
49
10.2. Main Components and P.C.B. Locations
50
10.3. Disassembly of Top Cabinet
51
10.4. Disassembly of Tray Lid Assembly
51
10.5. Disassembly of Front Panel
51
10.6. Disassembly of Panel P.C.B. & Key P.C.B.
52
10.7. Dissassembly of Tray Base Assembly
52
10.8. Disassembly of Mechanism Base Assembly
53
10.9. Disassembly of Rear Panel
53
10.10. Disassembly of W irele ss Adapte r P.C.B.
54
10.11. Disassembly of Tray P.C.B.
54
10.12. Disassembly of D-Amp P.C.B
55
10.13. Disassembly of Digital Amp IC (IC5000)
55
10.14. Disassembly of DVD Modul e P.C.B.
56
10.15. Disassembly of Main P.C.B.
56
10.16. Disassembly of Regula tor IC (IC290 3)
57
10.17. Disassembly of SMPS & AC-I nlet P.C.B.
58
10.18. Disassembly of Switch Regulat or IC (IC570 1)
58
10.19. Disassembly of Regula tor Diode (D5803)
59
10.20. Disassembly of Regula tor Diode (D5801/D58 02)
59
10.21. Disassembly of Regula tor Diode (D5702)
60
10.22. Disassembly of Tray Guide (L) & Tray Guide (R)
60
10.23. Disassembly of Rotary Tray
61
10.24. Disassembly of Open Lock Gear
61
10.25. Disassembly of Close Lock Gear
61
10.26. Disassembly of Tray Motor P.C.B.
62
10.27. Disassembly of Senso r P.C. B.
62
10.28. Disassembly of Traver se Unit
62
10.29. Disassembly of Pulley Gear
63
10.30. Disassembly of Loadin g Motor P. C.B.
64
10.31. Disassembly of Drive Gear (A) & Drive Gear (B)
64
10.32. Disassembly of Magne t Holder , Washe r, Magnet &
Clamper
64
10.33. Disassembly of Suppo rt Piece, Change Lever, Slide Plate
(L) & Slide Plate (R)
65
10.34. Disassembly of Cam Gear
66
10.35. Assembly of Tray Base Assembly
66
11 Service Fixture and Tools
68
12 Service Positions
68
12.1. Checking & Repair Panel P.C.B. & Key P.C.B.
68
12.2. Checking & Repair Main P.C.B.
68
12.3. Checking & Repair SMPS P.C.B.
69
12.4. Checking & Repair D-Amp P.C.B.
69
12.5. Checking & Repair DVD Module P.C.B.
70
13 Measurements and Adjustments
71
13.1. Service Tools and Equipment
71
13.2. Important points in adjustment
71
13.3. Storing and handling of test discs
71
13.4. Optical adjustment
72
14 Abbreviations
73
15 Voltage and Waveform Chart
75
15.1. DVD Module P.C.B.
75
15.2. Main P.C.B.
77
15.3. D-Amp P.C.B.
78
15.4. SMPS P.C.B.
78
15.5. Panel P.C.B.
78
CONTENTS
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SA-PT750PL