Read Panasonic SA-VK870GC / SA-VK870GCS / SA-VK870GS Service Manual online
1
Safety Precautions
6
1.1.
GENERAL GUIDELINES
6
1.2.
Safety Precaution for AC Power Supply Cord (For GS
only)
7
1.3.
Before Use (For GS/GCS only)
7
1.4.
Before Repair and Adjustment
7
1.5.
Protection Circuitry
7
1.6.
Safety Parts Information
8
2
Prevention of Electrostatic Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
9
3
Precaution of Laser Diode
10
4
About Lead Free Solder (PbF)
11
4.1.
Service caution based on legal restrictions
11
5
Handling Precautions for Traverse Unit
12
5.1.
Cautions to Be Taken in Handling the Optical Pickup Unit
12
5.2.
Grounding for electrostatic breakdown prevention
12
6
Accessories
14
7
Operation Procedures
15
7.1.
Main Unit key Button Operations
15
7.2.
Remote Control Key Buttons Operations
16
7.3.
Disc Information
17
7.4.
Using the Music Port
19
7.5.
Divx VOD Content
20
7.6.
Connecting and Playing a USB Mass Storage Class
Device
21
8
Self-Diagnosis and Special Mode Setting
22
8.1.
Service Mode Summary Table
22
8.2.
Service Mode Table (For DVD)
23
8.3.
Service Mode Table (For CR14)
31
8.4.
DVD Self Diagnostic Function-Error Code
33
8.5.
Sales Demonstration Lock Function
38
8.6.
Service Precautions
38
9
Assembling and Disassembling
40
9.1.
Caution
40
9.2.
Disassembly flow chart
42
9.3.
Main Components and P.C.B. Location
43
9.4.
Disassembly of Top Cabinet
44
9.5.
Disassembly of Mechanism Unit (CR14)
45
9.6.
Disassembly of Rear Panel
47
9.7.
Disassembly of Front Panel Unit
48
9.8.
Disassembly of Panel P.C.B., Tact Switch P.C.B. &
Remote Sensor P.C.B., Side Bar (L) LED P.C.B. and Side
Bar (R) LED P.C.B.
48
9.9.
Disassembly of Mic P.C.B.
51
9.10. Disassembly of USB P.C.B.
52
9.11. Disassembly of Music Port P.C.B.
52
9.12. Disassembly of CD Lid
53
9.13. Disassembly of Deck Mechanism Unit
53
9.14. Disassembly of Deck P.C.B.
54
9.15. Disassembly of Deck Mechanism
54
9.16. Disassembly of Deck Mechanism P.C.B.
57
9.17. Disassembly of Cassette Lid
57
9.18. Rectification for Tape Jam Problem
57
9.19. Disassembly of D-Amp P.C.B.
58
9.20. Replacement of Audio Digital Power Amp IC (IC5000) 59
9.21. Replacement of Audio Digital Power Amp IC (IC5200) 60
9.22. Replacement of Audio Digital Power Amp IC (IC5300) 61
9.23. Replacement of Audio Digital Power Amp IC (IC5400) 61
9.24. Disassembly of Main P.C.B.
62
9.25. Disassembly of SMPS P.C.B.
63
9.26. Replacement of Switch Regulator IC (IC5701)
64
9.27. Replacement of Switch Regulator Diode (D5702)
65
9.28. Replacement of Regulator Diode (D5801)
67
9.29. Replacement of Regulator Diode (D5802)
67
9.30. Replacement of Regulator Diode (D5803)
68
9.31. Disassembly of AC Inlet P.C.B.
69
9.32. Disassembly of Voltage Selector P.C.B. (For GCS/GS
Only)
70
9.33. Disassembly of DVD Module P.C.B.
72
10 Disassembling and assembling Traverse Unit Assembly in
play position
73
10.1. Disassembly of Traverse Unit Assembly
73
10.2. Assembly of Traverse Unit Assembly
74
11 Service Fixture and Tools
75
12 Service Positions
75
12.1. Checking and Repairing of Main P.C.B.
75
12.2. Checking and Repairing Panel P.C.B., Deck P.C.B., Tact
Switch P.C.B., Music Port P.C.B. and Mic P.C.B.
75
12.3. Checking and Repairing of D-Amp P.C.B.
77
12.4. Checking and Repairing of AC Inlet P.C.B. & SMPS
P.C.B.
79
13 Procedure for Checking Operation of Individual Parts of Deck
Mechanism Unit
81
13.1. Operation Check with Cassette Tape
81
13.2. Operation Check without Cassette Tape
81
14 Measurement And Adjustments
82
14.1. Cassette Deck Section
82
15 Voltage and Waveform Chart
84
15.1. DVD Module P.C.B.
84
15.2. D-Amp P.C.B.
85
15.3. Main P.C.B.
86
15.4. Panel, Mic & Tact Switch P.C.B.
87
15.5. Deck & Deck Mechanism P.C.B.
88
15.6. SMPS P.C.B.
88
15.7. Waveform Chart
89
16 Illustration of IC’s, Transistors and Diodes
91
17 Wiring Connection Diagram
93
18 Block Diagram
95
18.1. System Control
95
18.2. DVD (Servo)
96
18.3. DVD (Audio)
97
CONTENTS
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Page
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SA-VK870GC / SA-VK870GCS / SA-VK870GS
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