
1 Powering Up of the Main Unit 5
2 Before Repair and Adjustment 6
3 Protection Circuitry 6
4 Safety Precautions 7
4.1. General Guidelines 7
5 Handling the Lead-free Solder 8
5.1. About lead free solder (PbF) 8
6 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 9
7 Accessories 10
8 Precaution of Laser Diode 11
8.1. Cautions to be taken during replacement of optical pickup
11
9 Optical Pickup Self-Diagnosis and Replacement Procedure
(DVD Section) 13
9.1. Self-diagnosis 13
10 Self-Diagnosis Function and Service Mode 14
10.1. Self-Diagnosis Function (VTR Section) 14
10.2. Self-Diagnosis Function (DVD Section) 18
10.3. Mode Table 21
10.4. Lock Function 23
10.5. Cautions To Be Taken During Servicing 23
11 CHECKING POINTS FOR SYS COM TIMER MY-COM (IC6001)
(VIDEO) 24
11.1. Points to check when replacing 24
11.2. Initial setting when replacing My-com. 24
11.3. Initial figure (#) setting procedure 24
12 Adjustment Procedure (DVD Section) 26
12.1. Required Tools and Equipment 26
12.2. Necessity of Adjustment 26
12.3. Storing and Handling Test Discs 26
12.4. Optical Adjustment (Optical Pickup Tilt Adjustment) 26
13 Operation Procedure 29
14 Disc information 31
15 About HighMAT 33
15.1. What 痴HighMAT? 33
15.2. Why take advantage of HighMAT? 33
15.3. Benefits of HighMAT? 34
16 Assembling and Disassembling 37
16.1. Disassembly flow chart 37
16.2. P.C.B. Positions 37
16.3. Disassembly of Top Panel 38
16.4. Disassembly of Front Panel 38
16.5. Disassembly of VTR Mecha Unit 39
16.6. Disassembly of DVD Mecha Unit 40
16.7. Disassembly of ASP P.C.B. 40
16.8. Disassembly of Rear Panel 40
16.9. Disassembly of Power P.C.B. 41
16.10. Disassembly of Main P.C.B. 41
16.11. Disassembly of Front Panel A P.C.B. 41
16.12. Disassembly of Panel B P.C.B. 42
16.13. Procedure for removing CR16 mechanism (Precaution) 42
16.14. CR16 mechanism disassembly procedure 42
16.15. CR16 MECHANISM ASSEMBLY PROCEDURE 52
16.16. Disassembly of traverse mechanism 64
16.17. Removing the Cassette Tape Manually 66
17 Procedure for checking of the major P.C.B. 68
17.1. Checking the DVD Module P.C.B., CD Loading P.C.B. and
Main P.C.B. 68
17.2. Checking ASP P.C.B., Front Panel A P.C.B., Front Panel
B P.C.B. & Power P.C.B. 68
18 Voltage Measurement and Waveform Chart 69
18.1. Waveform 74
19 Illustration of IC 痴, Transistors and Diodes 76
20 Terminal Function of ICエs 77
20.1. IC36001 (C2CBJG000576) IC MICROCONTROLLER 77
21 Block Diagram 78
21.1. DVD Module Block 78
21.2. Main Block 81
22 Notes of Schematic Diagram 89
23 Schematic Diagram 90
23.1. DVD Module Circuit 90
23.2. Main Circuit 98
23.3. ASP Circuit 110
23.4. Power Circuit 115
23.5. Front Panel B Circuit 116
23.6. Front Panel A Circuit 118
23.7. CD Loading Circuit 119
23.8. VCR Deck Circuit 120
24 Printed Circuit Board 121
24.1. DVD Module P.C.B. (Side A and Side B) 121
24.2. Main P.C.B. 123
24.3. ASP P.C.B. 125
24.4. Power P.C.B. 127
24.5. Front Panel B P.C.B. 129
24.6. Front Panel A P.C.B. 131
24.7. CD Loading P.C.B. and VCR Deck P.C.B. 133
25 Wiring Connection Diagram 134
26 Parts Location and Replacement Parts List 136
26.1. CD Loading Mechanism 137
26.2. Cassette Mechanism 140
26.3. Cabinet 142
CONTENTS
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SA-HT830VP / SA-HT830VPC