Read Panasonic SA-PTX50EE / SC-PTX50EE 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.
Remote Control Key Buttons Operations
14
7.2.
Main Unit Key Buttons Operations
15
7.3.
Using the VIERA Link “HDAVI Control™”
16
7.4.
Using the Music Port
18
7.5.
Using the iPod
19
7.6.
USB Connection and Operation
20
7.7.
Audio and Video Connection
21
7.8.
Disc Information
22
8
Self-Diagnosis and Special Mode Setting
24
8.1.
Service Mode Summary Table
24
8.2.
Service Mode Table
24
8.3.
DVD Self Diagnostic Function-Error Code
32
8.4.
Sales Demonstration Lock Function
35
8.5.
Service Precautions
36
9
Assembling and Disassembling
37
9.1.
Disassembly Flow Chart
39
9.2.
Main Components and P.C.B. Locations
40
9.3.
Disassembly of Top Panel
41
9.4.
Disassembly of Top Chassis Unit
41
9.5.
Disassembly of Front Panel
42
9.6.
Disassembly of Panel P.C.B.
43
9.7.
Disassembly of USB P.C.B.
44
9.8.
Disassembly of Surround Switch P.C.B.
45
9.9.
Disassembly of Power Switch P.C.B.
45
9.10. Disassembly of Headphone P.C.B.
45
9.11. Disassembly of Input-Output P.C.B.
45
9.12. Disassembly of D-Port P.C.B.
46
9.13. Disassembly of DVD Mechanism Unit
47
9.14. Disassembly of Relay P.C.B.
48
9.15. Disassembly of Regulator P.C.B.
48
9.16. Disassembly of DSP P.C.B.
48
9.17. Disassembly of Rear Panel
49
9.18. Disassembly of Main P.C.B
50
9.19. Replacement of Digital Amp IC (IC317)
50
9.20. Disassembly of SMPS & AC-Inlet P.C.B.
51
9.21. Replacement of Regulator IC (IC706)
52
9.22. Replacement of Regulator Transistor/Diode (Q704/D700)
52
9.23. Replacement of Regulator Diode (D702)
53
9.24. Replacement of Regulator Diode (D704)
53
9.25. Disassembly of Stand
54
9.26. Disassembly of DVD Module P.C.B
54
10 Assembly and Disassembly of DVD Mechanism Unit
56
10.1. Disassembly Procedure
56
11 Service Fixture and Tools
61
12 Service Positions
62
12.1. Checking & Repairing Panel P.C.B.
62
12.2. Checking & Repairing Headphone P.C.B.
62
12.3. Checking & Repairing SMPS P.C.B.
63
12.4. Checking & Repairing Regulator P.C.B.
63
12.5. Checking & Repairing DVD Module P.C.B.
64
12.6. Checking & Repairing Input-Output P.C.B.
66
12.7. Checking & Repairing Main P.C.B.
68
12.8. Checking & Repairing DSP P.C.B.
69
13 Measurements and Adjustments
71
13.1. Service Tools and Equipment
71
13.2. Important points in adjustment
71
13.3. Storing and handling of test discs
71
13.4. Optical adjustment
72
14 Abbreviations
74
15 Voltage and Waveform Chart
76
15.1. DVD Module P.C.B.
76
15.2. DSP P.C.B.
78
15.3. Main P.C.B.
80
15.4. Input-output P.C.B.
82
15.5. Panel, Regulator, Headphone & Tray loading P.C.B.
83
15.6. SMPS P.C.B.
83
15.7. Waveform Chart
84
16 Illustration of IC’s, Transistors and Diodes
87
17 Wiring Connection Diagram
89
18 Block Diagram
91
18.1. System Control
91
18.2. DVD (Servo)
92
18.3. DVD (Audio)
93
CONTENTS
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SA-PTX50EE
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