Panasonic SC-HT870 - Servicing Position of the Main P.C.B.

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12.11.2 Servicing position of the Main P.C.B.

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Main Page

Use of Active Subwoofer5
Checking Player When Active Subwoofer Is Not Used6
Safety Precautions8
General Guidelines9
Leakage Current Cold Check10
Leakage Current Hot Check11
Before Repair and Adjustment14
Protection Circuitry15
Precaution of Laser Diode16
About Lead Free Solder (Pbf)17
General Description18
Operating Instructions19
Disc Information21
Accessories22
Caution for AC Main Lead24
Before Use24
How to Replace the Fuse24
Handling Precautions for Optical Pickup Unit26
Cautions to be Taken in Handling the Optical Pickup Unit27
Cautions to be Taken When Replacing the Optical Pickup29
Grounding for Electrostatic Breakdown Prevention30
Worktable Grounding31
Human Body Grounding32
Disassembling the Casing and Checking P.C.b.s33
Disassembly Procedure34
Casing Parts and P.C.B. Positions35
Top Cabinet36
Tray37
Front Panel40
FL P.C.B. and Volume P.C.B.42
Mechanism Unit44
DVD Module P.C.B.46
Rear Panel47
Main P.C.B.48
Service Position49
Servicing Position of the DVD Module P.C.B.50
Servicing Position of the Main P.C.B.51
Assembling and Disassembling the Mechanism Unit52
Traverse Unit55
Tray Unit57
Loading Section63
Tray Loading P.C.B.70
Optical Pickup Unit71
Procedure for Disassembling the Optical Pickup Unit75
Traverse Motor and Spindle Motor84
DVD-Optical Pick-Up Self-Diagnosis90
Optical Pickup Breakdown Diagnosis91
Service Mode Table93
DVD Self Diagnostic Function-Error Code94
Last Error Code Saved During no PLAY97
Sales Demonstration Lock Function101
Setting102
Cancellation104
Handling after Completing Repairs105
Method106
Precautions107
Self-Diagnosis Function108
Automatic Displayed Error Codes109
Automatic Display Function110
Re-Display111
Description of Error Code112
Memorized Error Codes113
Activating Self-Diagnosis Function and Displaying Method114
Deleting Details of Self Diagnosis116
Service Precautions117
Recovery after the DVD Player Is Repaired118
Firmware Version-Up of the DVD Player119
Adjustment Procedure121
Service Tools and Equipment122
Important Points in Adjustment123
Important Points in Optical Adjustment124
Important Points in Electrical Adjustment125
Storing and Handling Test Discs126
Optical Adjustment127
Optical Pickup Tilt Adjustment128
Important Points130
Check after Adjustment132
Procedure for Screw Lock133
Abbreviations134
Voltage Chart139
Schematic Diagram Notes152
Block Diagram156
Schematic Diagram162
Printed Circuit Board Diagram170
Wiring Connection Diagram175
Illustration of IC’ S, Transistors and Diodes177
Terminal Function of Ics179
IC2018 (C2CBJG000466): System Control180
Parts Location and Replacement Parts List184
Loading Mechanism, Traverse Unit& Cabinet186
Loading Mechanism, Traverse Unit& Cabinet Parts Location187
Traverse and Cabinet Parts List191
Component Parts List194
Packing Materials& Accessories Parts List234
Packaging236
Schematic Diagram for Printing with A4238

Panasonic SC-HT870 - Servicing Position of the Main P.C.B.

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