Panasonic SA-HT880GC, Service Manual

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1 Use of Active Subwoofer 4
1.1. Checking Player when Active Subwoofer is not used 4
2 Safety Precautions 5
2.1. GENERAL GUIDELINES 5
3 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 5
4 Before Repair and Adjustment (Using Active Subwoofer) 6
5 Protection Circuitry 6
6 Precaution of Laser Diode 7
7 About Lead Free Solder (PbF) 7
8 General Description 8
8.1. Operating instructions 8
8.2. Disc information 9
8.3. About HighMAT 10
9 Accessories 15
10 Caution for AC Cord 16
11 Handling Precautions for Optical Pickup Unit 17
11.1. Cautions to Be Taken in Handling the Optical Pickup Unit
17
11.2. Cautions to Be Taken When Replacing the Optical Pickup
17
11.3. Grounding for electrostatic breakdown prevention 17
12 Disassembly and Main Component Replacement Procedure
19
12.1. Disassembly Procedure 19
12.2. Main Components and P.C.B. Locations. 20
12.3. Disassembling the Top Cabinet 21
12.4. Disassembling the Lid assembly (When taking out disc
manually) 21
12.5. Disassembling the Front Panel 22
12.6. Disassembling the FL P.C.B., Volume P.C.B. and MIC
P.C.B. 22
12.7. Disassembling the DVD mechanism Unit 22
12.8. Disassembling the DVD Module P.C.B. 23
12.9. Disassembling the Rear panel 23
12.10. Disassembling Main P.C.B. 23
12.11. Service Position 24
13 Assembling and disassembling the DVD mechanism Unit 25
13.1. Disassembly Procedure 25
13.2. Traverse Unit 25
13.3. Tray Unit 26
13.4. Loading section 27
13.5. Tray Loading P.C.B. 28
13.6. Optical Pickup Unit 28
13.7. Traverse Motor and Spindle Motor 30
14 Optical Pick-up Self-Diagnosis and Replacement Procedure
32
14.1. Optical Pickup Breakdown Diagnosis 32
14.2. Service Mode Table 1 33
14.3. DVD Self Diagnostic Function-Error Code 33
14.4. Service mode table 2 35
14.5. Sales demonstration lock function 37
14.6. Handling After Completing Repairs 37
15 Self-Diagnosis Function 38
15.1. Automatic Displayed Error Codes 38
15.2. Memorized Error Codes 38
16 Service Precautions 39
16.1. Recovery after the DVD player is repaired 39
16.2. Firmware version-up of the DVD player 39
17 Adjustment Procedure 40
17.1. Service Tools and Equipment 40
17.2. Important points in adjustment 40
17.3. Storing and Handling Test Discs 40
17.4. Optical adjustment 41
18 Abbreviations 42
19 Voltage Chart 44
19.1. DVD Module P.C.B. 44
19.2. Main P.C.B. 45
19.3. FL P.C.B. & MIC P.C.B & Tray Loading P.C.B. 46
20 Wave Form Chart 47
21 Schematic Diagram Notes 48
22 Block Diagram 49
23 Schematic Diagram 55
24 Printed Circuit Board Diagram 65
25 Wiring Connection Diagram 69
26 Illustration of IC
痴
, Transistors and Diodes 71
27 Terminal Function of ICs 72
27.1. IC2018 (C2CBHG000190): System control 72
28 Parts Location and Replacement Parts List 73
28.1. Loading Mechanism, Traverse Unit & Cabinet 74
28.2. Component Parts List 77
28.3. Packing Materials & Accessories Parts List 85
28.4. Packaging 86
CONTENTS
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SA-HT880GC / SA-HT880GCS / SA-HT880GS