1 Safety Precautions
5
1.1.
GENERAL GUIDELINES
5
1.2.
Before Repair and Adjustment
5
1.3.
Protection Circuitry
6
2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
6
3 Precaution of Laser Diode
8
4 About Lead Free Solder (PbF)
8
5 Handling Precautions for Traverse Unit
9
5.1.
Cautions to Be Taken in Handling the Optical Pickup Unit
9
5.2.
Grounding for electrostatic breakdown prevention
9
6 Accessories
11
7 Operation Procedures
12
7.1.
Operating instructions
12
7.2.
Disc information
15
8 New Features
17
8.1.
RF Wireless Audio Transceiver
17
8.2.
Detail Block Diagram (Receiver module)
19
8.3.
Class-D Amplifier
23
9 Self-Diagnosis and special mode setting
27
9.1.
Service Mode Summary Table
27
9.2.
Service Mode Table 1
27
9.3.
DVD Self Diagnostic Function-Error Code
32
9.4.
Sales Demonstration Lock Function
34
9.5.
Service Precautions
35
10 Assembling and Disassembling
36
10.1. Disassembly Flow Chart
37
10.2. Main Components and P.C.B. Locations
37
10.3. Disassembling the Top Cabinet
38
10.4. Disassembling the Front Panel Assembly
38
10.5. Disassembling the Tray Assembly
38
10.6. Disassembling the Rear Panel
39
10.7. Disassembling the Mechanism Base Assembly
39
10.8. Disassembling the FL & Head phone P.C.B.
39
10.9. Disassembling the Main P.C.B.
39
10.10. Disassembling the AC Inlet, Power & Sub power P.C.B 40
10.11. Disassembly of Digital Amp IC
40
10.12. Disassembly of Regulator IC
40
10.13. Disassembly of Switch Regulator IC (IC5701)
40
10.14. Disassembly of the Tray Base Guide (L) and Tray Base
Guide (R)
41
10.15. Disassembly of the Rotary Tray
41
10.16. Disassembly of the Traverse Unit
42
10.17. Assembly of Tray Assembly
44
11 Service Fixture and Tools
46
12 Service Positions
46
12.1. Checking & Repair Main P.C.B., Power P.C.B., FL and
Head phone P.C.B.
46
12.2. Checking & Repair DVD Module P.C.B
46
13 Measurements and Adjustments
47
13.1. Service Tools and Equipment
47
13.2. Important points in adjustment
47
13.3. Storing and handling of test discs
47
13.4. Optical adjustment
48
13.5. Abbreviations
49
14 Voltage and Waveform Chart
51
14.1. DVD Module P.C.B.
51
14.2. Main P.C.B.
52
14.3. Power P.C.B.
53
14.4. FL P.C.B.
53
14.5. Loading Motor P.C.B., Tray Motor P.C.B., Sensor P.C.B.
54
14.6. Waveform Chart
55
15 Illustration of IC's, Transistors and Diodes
56
16 Wiring Connection Diagram
57
17 Block Diagram
59
18 Schematic Diagram
67
18.1. (A) DVD Module Circuit
69
18.2. (B) Main Circuit
73
18.3. (C) Power Circuit
79
18.4. (D) FL and Headphone Circuit
83
18.5. (E) Loading Motor, Tray Motor and Sensor Circuit
85
19 Printed Circuit Board
87
19.1. (A) DVD Module P.C.B.
87
19.2. (B) Main, AC-Inlet & Sub Power P.C.B.
88
19.3. (C) Power P.C.B.
89
19.4. (D) FL, Headphone, Loading motor, Tray motor, Sensor
and Regulator P.C.B.
90
20 Basic Troubleshooting Guide
91
20.1. Basic Troubleshooting Guide for DVD Module
91
20.2. Basic Troubleshooting Guide for Traverse Unit
93
20.3. Troubleshooting Guide for Wireless Surround Speaker
(SB-SA640)
94
21 Overall Block Diagram for HT640
97
21.1. SC-HT640 DVD Unit Block Diagram
98
21.2. HT640 Block Diagram (Analog Signal : DVD 5.1ch Play
Back Mode)
99
21.3. Service parts replacement
100
22 Terminal Function of ICs
103
22.1. IC2001 (MN101C49GHG): Micro-processor IC
103
CONTENTS
Page
Page
3
SA-HT640WP / SA-HT640WPC
Содержание SA-HT640WP
Страница 7: ...7 SA HT640WP SA HT640WPC ...
Страница 10: ...10 SA HT640WP SA HT640WPC ...
Страница 16: ...16 SA HT640WP SA HT640WPC ...
Страница 19: ...8 2 Detail Block Diagram Receiver module 19 SA HT640WP SA HT640WPC ...
Страница 31: ...31 SA HT640WP SA HT640WPC ...
Страница 37: ...10 1 Disassembly Flow Chart 10 2 Main Components and P C B Locations 37 SA HT640WP SA HT640WPC ...
Страница 45: ...Step 3 Push tray assembly to the direction of arrow shown 45 SA HT640WP SA HT640WPC ...
Страница 58: ...SA HT640WP SA HT640WPC 58 ...
Страница 66: ...SA HT640WP SA HT640WPC 66 ...
Страница 68: ...68 SA HT640WP SA HT640WPC ...
Страница 78: ...SA HT640WP SA HT640WPC 78 ...
Страница 84: ...SA HT640WP SA HT640WPC 84 ...
Страница 86: ...SA HT640WP SA HT640WPC 86 ...
Страница 95: ... SMPS stands for switching mode power supply 95 SA HT640WP SA HT640WPC ...
Страница 102: ...21 3 4 2 Receiver Module P C B 102 SA HT640WP SA HT640WPC ...
Страница 104: ...23 Explode Views 23 1 Cabinet Parts Location 104 SA HT640WP SA HT640WPC ...
Страница 105: ...105 SA HT640WP SA HT640WPC ...
Страница 106: ...106 SA HT640WP SA HT640WPC ...
Страница 107: ...23 2 Packaging 107 SA HT640WP SA HT640WPC ...