Read Panasonic SA-PTX7EB / SA-PTX7EG 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
1.5.
Caution for AC Cord
8
2 Prevention of Electro Static 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 HDD (Hard Disk Drive) Handling Care
14
7 Accessories
15
8 Operation Procedures
16
8.1.
Remote Control Key Buttons Operations
16
8.2.
Main Unit Key Buttons Operations
17
8.3.
Using the EZ Sync HDAVI Control
18
8.4.
Using the Music Port
20
8.5.
Using the iPod
21
8.6.
Disc Information
22
9 New Features
24
9.1.
As a Music Jukebox (Using HDD)
24
9.2.
Easy Location of HDD Recording Contents
30
9.3.
Network Connections (LAN)
32
9.4.
Operating iPod with this Unit
38
10 Self-Diagnosis and Special Mode Setting
39
10.1. Service Mode Summary Table
39
10.2. Service Mode Table (Main Unit)
39
10.3. DVD Self Diagnostic Function-Error Code
48
10.4. Sales Demonstration Lock Function
51
10.5. Service Precautions
51
11 Assembling and Disassembling
53
11.1. Disassembly Flow Chart
54
11.2. Main Components and P.C.B. Locations
55
11.3. Disassembly of Top Cover Assembly
56
11.4. Disassembly of Top Shield
56
11.5. Disassembly of Front Panel
56
11.6. Disassembly of Panel P.C.B., Tact-1 P.C.B. & Tact-2
P.C.B.
57
11.7. Disassembly of USB P.C.B.
58
11.8. Disassembly of Main P.C.B.
58
11.9. Disassembly of Power P.C.B.
59
11.10. Replacement of Regulator IC (IC725)
60
11.11. Replacement of Regulator Diode (D725/D758)
60
11.12. Disassembly of Regulator P.C.B.
61
11.13. Disassembly of DVD Module P.C.B
61
11.14. Disassembly of Audio P.C.B.
62
11.15. Replacement of Digital Amp IC (IC102)
63
11.16. Replacement of Regulator Transistor (Q113)
63
11.17. Disassembly of DVD Mechanism Unit
64
11.18. Disassembly of Relay P.C.B.
64
11.19. Disassembly of Rear Panel
64
11.20. Disassembly of D-Port P.C.B.
66
11.21. Disassembly of Digital P.C.B.
66
11.22. Disassembly of AC-Inlet P.C.B.
68
11.23. Disassembly of Hard Disk Drive (HDD)
68
12 Assembly and disassembly of DVD Mechanism Unit
69
12.1. Disassembly Procedure
69
13 Service Fixture and Tools
74
14 Service Positions
74
14.1. Checking & Repairing Main P.C.B.
74
14.2. Checking & Repairing DVD Module P.C.B.
75
14.3. Checking & Repairing Audio P.C.B.
75
14.4. Checking & Repairing Regulator P.C.B.
77
14.5. Checking & Repairing Power P.C.B.
77
14.6. Checking & Repairing Panel P.C.B.
77
14.7. Checking & Repairing Digital P.C.B.
78
14.8. Checking & Repairing AC-Inlet P.C.B.
80
15 Measurements and Adjustments
82
15.1. Service Tools and Equipment
82
15.2. Important points in adjustment
82
15.3. Storing and handling of test discs
82
15.4. Optical adjustment
83
16 Abbreviations
84
17 Voltage and Waveform Chart
86
17.1. DVD Module P.C.B.
86
17.2. Digital P.C.B.
89
17.3. Tray Loading, Panel, Tact-2 P.C.B.
91
17.4. Main P.C.B.
92
17.5. AC-Inlet, Power & Regulator P.C.B.
94
17.6. Audio (D-Amp) P.C.B.
95
17.7. Audio (DSP) P.C.B.
96
17.8. Waveform Chart
98
18 Illustration of IC's, Transistors and Diodes
101
19 Wiring Connection Diagram
103
20 Block Diagram
105
CONTENTS
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Page
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SA-PTX7EB / SA-PTX7EG
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