Panasonic SA-PT250EE, Руководство по обслуживанию

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2 Prevention of Electrostatic Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 8
3 Precaution of Laser Diode 9
4 About Lead Free Solder (PbF) 10
4.1. Service caution based on legal restrictions 10
5 Handling Precautions for Traverse Unit 11
5.1. Cautions to Be Taken in Handling the Optical Pickup Unit
11
5.2. Grounding for electrostatic breakdown prevention 11
6 Accessories 13
7 Operation Procedures 14
7.1. Remote Control Key Buttons Operations 14
7.2. Main Unit Key Buttons Operations 15
7.3. Music Port Connection and Operation 16
7.4. USB Connection and Operation 17
7.5. Audio & Video Connections 18
7.6. Disc Information 19
8 Self-Diagnosis and Special Mode Setting 21
8.1. Service Mode Summary Table 21
8.2. Service Mode Table 21
8.3. DVD Self Diagnostic Function-Error Code 29
8.4. Sales Demonstration Lock Function 32
8.5. Service Precautions 33
9 Assembling and Disassembling 34
9.1. Disassembly Flow Chart 35
9.2. Main Components and P.C.B. Locations 36
9.3. Disassembly of Top Cabinet 37
9.4. Disassembly of the DVD Lid (When taking out disc
manually) 37
9.5. Disassembly of Front Panel 38
9.6. Disassembly of Volume P.C.B. 38
9.7. Disassembly of Mic P.C.B. 39
9.8. Disassembly of Panel P.C.B. 39
9.9. Disassembly of USB P.C.B. 40
9.10. Disassembly of Rear Panel 40
9.11. Disassembly of DVD Mechanism Unit 40
9.12. Disassembly of DVD Module P.C.B. 41
9.13. Disassembly of Main P.C.B. 41
9.14. Replacement of Regulator IC (IC2903) 42
9.15. Disassembly of D-Amp P.C.B. 42
9.16. Replacement of Digital Amp IC (IC5000) 43
9.17. Disassembly of SMPS, AC-Inlet & Voltage Selector P.C.B.
44
9.18. Replacement of Switch Regulator IC/Diode
(IC5701/D5702) 45
9.19. Replacement of Regulator Diode (D5801/D5802) 45
9.20. Replacement of Regulator Diode (D5803) 46
10 Assembly and Disassembly of DVD Mechanism Unit 47
10.1. Disassembly Procedure 47
11 Service Position 52
11.1. Checking & Repairing Panel P.C.B. 52
11.2. Checking & Repairing Mic P.C.B. 52
11.3. Checking & Repairing Main P.C.B. 52
11.4. Checking & Repairing D-Amp P.C.B. 53
11.5. Checking & Repairing DVD Module P.C.B. 53
11.6. Checking & Repairing SMPS P.C.B. 53
12 Measurements and Adjustments 54
12.1. Service Tools and Equipment 54
12.2. Important points in adjustment 54
12.3. Storing and handling of test discs 54
12.4. Optical adjustment 55
13 Abbreviations 56
14 Voltage and Waveform Chart 58
14.1. DVD Module P.C.B. 58
14.2. Main P.C.B. 59
14.3. D-Amp P.C.B. 60
14.4. SMPS P.C.B. 60
14.5. Panel & Tray Loading P.C.B. 61
14.6. Mic P.C.B. 61
14.7. Waveform Chart 62
15 Illustration of IC's, Transistors and Diodes 64
16 Wiring Connection Diagram 65
17 Block Diagram 67
17.1. System Control 67
17.2. DVD (Servo) 68
17.3. DVD (Audio) 69
17.4. DVD (Video) 70
17.5. Audio 71
17.6. Audio Digital Amp 72
17.7. Power 73
18 Schematic Diagram Notes 75
19 Schematic Diagram 77
19.1. DVD Module Circuit 77
19.2. Main, Panel & Mic Circuit 81
19.3. D-Amp & SMPS Circuit 87
19.4. Volume, USB, AC-Inlet, Tray Loading & Voltage Selector
Circuit 91
19.5. Optical Pickup Unit Circuit 92
20 Printed Circuit Board 93
20.1. DVD Module P.C.B. 93
20.2. Main P.C.B. 94
20.3. Panel & Mic P.C.B. 95
20.4. D-Amp P.C.B. 96
20.5. SMPS P.C.B. 97
20.6. Volume, USB, AC-Inlet, Tray Loading & Voltage Selector
P.C.B. 98
21 Basic Troubleshooting Guide 99
21.1. Basic Troubleshooting Guide for Traverse Unit (DVD
Module P.C.B) 99
22 Overall Block Diagram for PT250 100
22.1. SC-PT250 Simplified Block 100
22.2. SC-PT250 Power Block 101
22.3. SC-PT250 SMPS Block 102
23 Terminal Function of ICs 103
23.1. IC2001 (C2CBYY000440): System Control IC 103
24 Exploded Views 104
24.1. Cabinet Parts Location 105
24.2. Packaging 107
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SA-PT250GCP