Panasonic SA-HT540EE, Service Manual

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1 Safety Precautions 6
1.1. GENERAL GUIDELINES 6
1.2. Before Repair and Adjustment 6
1.3. Protection Circuitry 6
2 Prevention of Electro Static 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 (SA-HT540) 14
7.3. Using of Music Port 15
7.4. Disc information 16
7.5. About DivX VOD Content 18
8 Self-Diagnosis and special mode setting 19
8.1. Service Mode Summary Table 19
8.2. Service Mode Table 19
8.3. DVD Self Diagnostic Function-Error Code 24
8.4. Sales Demonstration Lock Function 26
8.5. Service Precautions 27
9 Assembling and Disassembling 29
9.1. Disassembly Flow Chart 30
9.2. Main Components and P.C.B. Locations 31
9.3. Disassembly of Top Cabinet 32
9.4. Disassembly of the DVD Lid (When taking out disc
manually) 32
9.5. Disassembly of Front Panel Assembly 33
9.6. Disassembly of Music Port P.C.B, FL P.C.B. & Top Button
P.C.B. 33
9.7. Disassembly of DVD Mechanism Unit 34
9.8. Disassembly of DVD Module P.C.B. 34
9.9. Disassembly of Rear panel 34
9.10. Disassembly of Scart P.C.B. 35
9.11. Disassembly of Main P.C.B., AC-Inlet P.C.B. and Tuner
Extent P.C.B. 35
9.12. Disassembly of Digital Amp IC (IC5000/IC5200/IC5300) 35
9.13. Disassembly of Digital Amp IC (IC5400) 35
9.14. Disassembly of Regulator IC 35
9.15. Disassembly of Switch Regulator IC (IC5701) 36
10 Service Position 37
10.1. Servicing position of the DVD Module P.C.B. 37
10.2. Servicing position of the Main P.C.B. 37
11 Assembly and disassembly of Mechanism Unit 38
11.1. Disassembly Procedure 38
12 Measurements and Adjustments 44
12.1. Service Tools and Equipment 44
12.2. Important points in adjustment 44
12.3. Storing and handling of test discs 44
12.4. Optical adjustment 45
13 Abbreviations 46
14 Voltage and Waveform Chart 48
14.1. DVD Module P.C.B. 48
14.2. Main P.C.B. 49
14.3. FL P.C.B., Scart P.C.B., Mic P.C.B. & Tray Loading P.C.B.
51
14.4. Waveform Chart 52
15 Illustration of IC's, Transistors and Diodes 53
16 Wiring Connection Diagram 55
17 Block Diagram 57
18 Schematic Notes 65
19 Schematic Diagram 67
19.1. (A) Optical Pickup Unit & DVD Module (DV3.2) Circuit 67
19.2. (B) Main Circuit 71
19.3. (C) Power & AC-inlet Circuit 76
19.4. (D) FL, Top Button, Tray Loading, Tuner Extent, Mic,
Music Port & Scart Circuit 80
20 Printed Circuit Board 83
20.1. (A) DVD Module P.C.B. 83
20.2. (B) Main/Power P.C.B. 84
20.3. (C) Tuner Extent, AC-inlet, Tray Loading, Music Port, Top
Button, FL, Mic & Scart P.C.B. 85
21 Basic Troubleshooting Guide 87
21.1. Basic Troubleshooting Guide for Traverse Unit (DVD
Module P.C.B.) 87
22 Overall Block (HT540) 88
22.1. HT540 DVD Unit Block 89
22.2. HT540 Block (Analog Signal : DVD 5.1ch Play Back
Mode) 90
22.3. HT540 Block (Analog Signal : 2ch Analog Input Mode) 91
22.4. HT540 Power Supply Block 92
22.5. HT540 Power Block (SMPS) 93
23 Terminal Function of ICs 94
23.1. IC2018 (C2CBYY000195): Micro processor IC 94
24 Exploded Views 95
24.1. Cabinet Parts Location 95
24.2. Packaging 97
CONTENTS
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SA-HT540EE