Panasonic SA-VK460GC, Service Manual

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1.4. Before Repair and Adjustment 7
1.5. Protection Circuitry 7
1.6. Safety Parts Information 8
2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 8
3 Precaution of Laser Diode 9
4 About Lead-Free Solder (PbF) 10
4.1. Service caution based on legal restrictions 10
5 Handling Precautions for Traverse Unit 11
5.1. Handling Optical Pickup 11
5.2. Replacing Precautions for Optical Pickup Unit 11
5.3. Grounding for Preventing Electrostatic Destruction 11
6 Accessories 12
7 Operation Procedures 13
7.1. Main Unit Operation Control 13
7.2. Remote Control Operation Control 14
7.3. Disc Information 15
7.4. DivX VOD Content 17
8 DVD/CD Mechanism Changer Unit 18
8.1. CRS1D Mechanism Overview 18
8.2. Music Port 21
9 Self diagnosis and special mode setting 22
9.1. Service Mode Summary Table 22
9.2. Service Mode Table 22
9.3. Optical Pick-up Breakdown Diagnosis 32
9.4. DVD Self-Diagnostic Function Error Code 34
9.5. Sales Demostration Lock Function 40
9.6. Service Precautions 40
10 Assembling and Disassembling 42
10.1. Caution 42
10.2. Disassembly flow chart 43
10.3. Main Parts Location 44
10.4. Disassembly of Top Cabinet 44
10.5. Disassembly of DVD/CD Mechanism Changer Unit 45
10.6. Disassembly of Rear Panel 46
10.7. Disassembly of Main P.C.B. 47
10.8. Disassembly of SMPS P.C.B. 47
10.9. Disassembly of D-AMP P.C.B. 47
10.10. Disassembly of Front Panel Unit 49
10.11. Disassembly for Mic P.C.B. 49
10.12. Disassembly for Panel P.C.B. 49
10.13. Disassembly of Tact Switch P.C.B. 50
10.14. Disassembly of Deck mechanism unit 51
10.15. Disassembly of Deck P.C.B. 52
10.16. Disassembly for Deck Mechanism 52
10.17. Disassembly of Traverse Unit 54
10.18. Disassembly of DVD Module P.C.B. 56
10.19. Disassembly of Deck Mechanism P.C.B. 56
10.20. Replacement for cassette lid 56
10.21. Rectification for tape jam problem 57
11 Service Positions 58
11.1. Checking and Repairing of Main P.C.B. 58
11.2. Checking and Repairing of SMPS P.C.B. 58
11.3. Checking and Repairing of Panel P.C.B. 59
11.4. Checking and Repairing of D-AMP, Deck P.C.B. & Deck
Mechanism P.C.B. 60
12 Adjustment Procedures 61
12.1. Cassette Deck Section 61
12.2. Tuner Section 62
12.3. Alignment Points 63
13 Illustration of ICs, Transistors and Diodes 64
14 Voltage and Waveform Chart 65
14.1. DVD Module P.C.B. 65
14.2. Main P.C.B. 66
14.3. Panel P.C.B. 67
14.4. DAMP P.C.B. & SMPS P.C.B. 67
14.5. Deck P.C.B., Deck Mechanism P.C.B. & Mic P.C.B. 68
14.6. Waveform Chart 69
15 Wiring Connection Diagram 70
16 Block Diagram 71
16.1. System Control Block Diagram 71
16.2. DVD Servo/ Video Block Diagram 72
16.3. Audio Block Diagram 73
16.4. Digital Amp Block Diagram 74
16.5. Deck Block Diagram 75
16.6. SMPS Block Diagram 76
17 Schematic Diagram Notes 77
18 Schematic Diagram 79
18.1. (A) DVD Module Circuit 79
18.2. (B) Main Circuit 83
18.3. (C) Panel Circuit 87
18.4. (D) Tact Switch Circuit, (E) Mic Circuit & (G) Deck
Mechanism Circuit 89
18.5. (F) DECK CIRCUIT 90
18.6. (H) D-AMP CIRCUIT 91
18.7. (I) SMPS CIRCUIT 93
18.8. OPTICAL PICKUP UNIT CIRCUIT 95
19 Printed Circuit Board 97
19.1. (A) DVD Module P.C.B. (Side A & B ) 98
19.2. (B) Main P.C.B. 99
19.3. (C) Panel P.C.B. 100
19.4. (D) Tact Switch P.C.B., (E) Mic P.C.B., (F) Deck P.C.B. &
(G) Deck Mechanism P.C.B. 101
19.5. (H) D-Amp P.C.B. 102
19.6. (I) SMPS P.C.B. (FOR GC ONLY) 103
19.7. (I) SMPS P.C.B. (FOR GCS/GS/GCT ONLY) 104
20 Basic Troubleshooting Guide for Backend Module 105
20.1. Initialisation and Playability 105
21 Terminal Function of IC
106
21.1. IC2801 (C2CBYY000469 ) System Microprocessor
106
21.2. IC6601 (C0HBB0000057 ) FL Driver IC
107
22 Exploded Views 109
22.1. Cabinet Parts Location 109
22.2. Deck Mechanism Unit Parts Location (RAA4901-S) 111
22.3. Packaging 112
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SA-VK460GC / SA-VK460GS / SA-VK460GCS / SA-VK460GCT