Read Panasonic SA-VK870EE / SC-VK870EE Service Manual online
1
Safety Precautions
6
1.1.
GENERAL GUIDELINES
6
1.2.
Before Repair and Adjustment
6
1.3.
Protection Circuitry
6
1.4.
Safety Parts Information
7
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.
Main Unit key Button Operations
14
7.2.
Remote Control Key Buttons Operations
15
7.3.
Disc Information
16
7.4.
Using the Music Port
18
7.5.
Divx VOD Content
19
7.6.
Connecting and Playing a USB Mass Storage Class
Device
20
8
Self-Diagnosis and Special Mode Setting
21
8.1.
Service Mode Summary Table
21
8.2.
Service Mode Table (For DVD)
22
8.3.
Service Mode Table (For CR14)
30
8.4.
DVD Self Diagnostic Function-Error Code
32
8.5.
Sales Demonstration Lock Function
37
8.6.
Service Precautions
37
9
Assembling and Disassembling
39
9.1.
Caution
39
9.2.
Disassembly flow chart
41
9.3.
Main Components and P.C.B. Location
42
9.4.
Disassembly of Top Cabinet
43
9.5.
Disassembly of Mechanism Unit (CR14)
44
9.6.
Disassembly of Rear Panel
46
9.7.
Disassembly of Front Panel Unit
47
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.
47
9.9.
Disassembly of Mic P.C.B.
50
9.10. Disassembly of USB P.C.B.
51
9.11. Disassembly of Music Port P.C.B.
51
9.12. Disassembly of CD Lid
52
9.13. Disassembly of Deck Mechanism Unit
52
9.14. Disassembly of Deck P.C.B.
53
9.15. Disassembly of Deck Mechanism
53
9.16. Disassembly of Deck Mechanism P.C.B.
56
9.17. Disassembly of Cassette Lid
56
9.18. Rectification for Tape Jam Problem
56
9.19. Disassembly of D-Amp P.C.B.
57
9.20. Replacement of Audio Digital Power Amp IC (IC5000) 58
9.21. Replacement of Audio Digital Power Amp IC (IC5200) 59
9.22. Replacement of Audio Digital Power Amp IC (IC5300) 60
9.23. Replacement of Audio Digital Power Amp IC (IC5400) 60
9.24. Disassembly of Main P.C.B.
61
9.25. Disassembly of SMPS P.C.B.
62
9.26. Replacement of Switch Regulator IC (IC5701)
63
9.27. Replacement of Switch Regulator Diode (D5702)
64
9.28. Replacement of Regulator Diode (D5801)
66
9.29. Replacement of Regulator Diode (D5802)
66
9.30. Replacement of Regulator Diode (D5803)
67
9.31. Disassembly of AC Inlet P.C.B.
68
9.32. Disassembly of DVD Module P.C.B.
69
10 Disassembling and assembling Traverse Unit Assembly in
play position
71
10.1. Disassembly of Traverse Unit Assembly
71
10.2. Assembly of Traverse Unit Assembly
72
11 Service Fixture and Tools
73
12 Service Positions
73
12.1. Checking and Repairing of Main P.C.B.
73
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.
73
12.3. Checking and Repairing of D-Amp P.C.B.
75
12.4. Checking and Repairing of AC Inlet P.C.B. & SMPS
P.C.B.
77
13 Procedure for Checking Operation of Individual Parts of Deck
Mechanism Unit
79
13.1. Operation Check with Cassette Tape
79
13.2. Operation Check without Cassette Tape
79
14 Measurement And Adjustments
80
14.1. Cassette Deck Section
80
15 Voltage and Waveform Chart
82
15.1. DVD Module P.C.B.
82
15.2. D-Amp P.C.B.
83
15.3. Main P.C.B.
84
15.4. Panel, Mic & Tact Switch P.C.B.
85
15.5. Deck & Deck Mechanism P.C.B.
86
15.6. SMPS P.C.B.
86
15.7. Waveform Chart
87
16 Illustration of IC’s, Transistors and Diodes
89
17 Wiring Connection Diagram
91
18 Block Diagram
93
18.1. System Control
93
18.2. DVD (Servo)
94
18.3. DVD (Audio)
95
18.4. Video
96
18.5. Deck
97
18.6. Audio
98
18.7. Digital Audio Amp
99
18.8. Power
100
CONTENTS
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SA-VK870EE
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