Panasonic SA-HT340EE, Service Manual

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1 Safety Precautions 5
1.1. GENERAL GUIDELINES 5
1.2. Before Repair and Adjustment (Using SMPS) 5
1.3. Protection Circuitry 5
2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 6
3 Precaution of Laser Diode 7
4 About Lead Free Solder (PbF) 8
4.1. Service caution based on legal restrictions 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. Remote Control Key Buttons Operations 12
7.2. Main Unit Key Buttons Operations (SA-HT340) 13
7.3. Disc information 14
7.4. About DivX VOD Content 16
8 Self-Diagnosis and special mode setting 17
8.1. Service Mode Summary Table 17
8.2. Service Mode Table 17
8.3. DVD Self Diagnostic Function-Error Code 22
8.4. Sales Demonstration Lock Function 24
8.5. Service Precautions 25
9 Assembling and Disassembling 26
9.1. Disassembly Flow Chart 27
9.2. Main Components and P.C.B. Locations 27
9.3. Disassembly of Top Cabinet 28
9.4. Disassembly of the DVD Lid (When taking out disc
manually) 28
9.5. Disassembly of Front Panel 29
9.6. Disassembly of FL P.C.B., Mic P.C.B. & Volume P.C.B. 29
9.7. Disassembly of DVD Mechanism Unit 30
9.8. Disassembly of DVD Module P.C.B. 30
9.9. Disassembly of Rear panel 31
9.10. Disassembly of SMPS Module P.C.B. 31
9.11. Disassembly of Main P.C.B. & Tuner Extent P.C.B. 31
9.12. Disassembly of Digital Amp IC (IC5100) 31
10 Service Position 33
10.1. Servicing position of the DVD Module P.C.B. 33
10.2. Servicing position of the Main P.C.B. 33
10.3. Servicing position of the SMPS Module P.C.B. 33
11 Assembly and disassembly of Mechanism Unit 34
11.1. Disassembly Procedure 34
12 Measurements and Adjustments 40
12.1. Service Tools and Equipment 40
12.2. Important points in adjustment 40
12.3. Storing and handling of test discs 40
12.4. Optical adjustment 41
13 Abbreviations 42
14 Voltage and Waveform Chart 44
14.1. DVD Module P.C.B. 44
14.2. Main P.C.B. 45
14.3. FL P.C.B., Mic P.C.B. & Tray Loading P.C.B. 46
14.4. SMPS Module P.C.B. 46
14.5. Waveform Chart 47
15 Illustration of IC's, Transistors and Diodes 48
16 Wiring Connection Diagram 49
17 Block Diagram 51
18 Schematic Notes 57
19 Schematic Diagram 59
19.1. (A) Optical Pickup Unit & DVD Module (DV3.2) Circuit 59
19.2. (B) Main/Power, FL, Volume & Mic Circuit 63
19.3. (C) Tray Loading & Tuner Extent Circuit 69
20 Printed Circuit Board 71
20.1. (A) DVD Module P.C.B. 71
20.2. (B) Main/Power P.C.B. 72
20.3. (C) FL, Volume, Mic, Tray Loading & Tuner Extent P.C.B.
73
21 Basic Troubleshooting Guide 75
21.1. Basic Troubleshooting Guide for Traverse Unit (DVD
Module P.C.B.) 75
22 Overall Block (HT340) 76
22.1. HT340 DVD Unit Block 77
22.2. HT340 Block (Analog Signal : DVD 5.1ch Play Back
Mode) 78
22.3. HT340 Block (Analog Signal : 2ch Analog Input Mode) 79
22.4. HT340 Power Supply Block 80
22.5. HT340 Power (Main) Block 81
23 Terminal Function of ICs 82
23.1. IC2018 (C2CBYY000194): Microprocessor IC 82
24 Exploded Views 83
24.1. Cabinet Parts Location 83
24.2. Packaging 85
25 Replacement Parts List 86
25.1. Component Parts List 87
CONTENTS
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SA-HT340EE