Panasonic SA-VK81DEE - Repair Procedures

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12 Procedure for repairing the set

SA-VK81DEE

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Subwoofer: SB-WVK81 (GC) X1
SB-PT81 GC-S Consists of SB-PS81 (GC) X 2 & SB-PC81 (GC) X1
Table of Contents2
Before Repair and Adjustment3
Protection Circuitry4
Safety Precautions4
General Guidelines4
Prevention of Electro Static Discharge (ESD) to5
Electrostatically Sensitive (ES) Devices5
Handling the Lead-Free Solder5
About Lead Free Solder (Pbf)5
Cautions to be Taken When Handling Optical Pickup6
Handling Optical Pickup6
Replacing Precautions for Optical Pickup Unit6
Grounding for Preventing Electrostatic Destruction6
Precaution of Laser Diode7
Accessories8
Operation Procedures9
Disc Information11
About Highmat13
What Is Highmat13
Why Use Highmat13
The Advantages of Using Highmat13
Outline of the Highmat Standard14
Procedure for Repairing the Set16
Distinguish the Problem17
Diagnosis of Optical Pick-Up Unit20
Optical Pickup Self-Diagnosis and Replacement Procedure22
Self-Diagnosis22
Cautions to be Taken During Replacement of Optical23
Pickup and Spindle Motor23
Self-Diagnosis Function24
Automatic Displayed Error Codes24
Memorized Error Codes24
Mode Table24
DVD / CD Self-Diagnosis Error Code Description25
Error Codes Stored During no Play25
Mode Table25
Tray Lock Function28
Things to Do after Repair28
Cautions to be Taken During Servicing29
Recovery after the DVD Player Is Repaired29
DVD Player Firmware Version Upgrade Process29
Firmware Version Upgrade Process by Using Disc and29
Recovery Process29
Using Recovery Disc29
Total Usage Time Display30
After Replacement of DVD Module30
Disassembly and Assembly of Main Component31
Disassembly Flow Chart31
Disassembly of Top Cabinet32
Disassembly for DVD Changer Unit32
Disassembly for Panel P.C.B., MIC P.C.B. & Tact Switch32
P.C.b34
Disassembly of Main P.C.B., Power P.C.B., Power Amp34
P.C.B., Power Supply P.C.B., & Transformer34
Replacement for Traverse Deck37
Replacement for Optical Pickup Unit (DVD Mechanism)37
Procedure for Removing CD Loading Mechanism40
CR16 Mechanism Disassembly Procedure40
Cr16 Mechanism Assembly Procedure46
Disassembly for Traverse Unit57
Disassembly of Deck Mechanism Unit59
Replacement for the Cassette Lid Ass ' y63
Counter-Measure for Tape Trouble63
Service Position64
Checking Procedure64
Checking the Main P.C.B., Power P.C.B., Power Supply64
Inlet64
Checking the Panel P.C.B., Tact Switch P.C.B., MIC65
P.C.B., Deck P.C.B. & Deck Mechanism65
Measurements and Adjustments66
Cassette Deck Section66
Tuner Section67
Alignment Points68
Block Diagram69
Schematic Diagram78
Optical Pickup Unit Circuit79
A) DVD Module Circuit80
B) Main Circuit87
Circuit96
F) Deck Circuit & (G) Deck Mechanism Circuit100
H) Power Supply Circuit102
I) Power Amp Circuit104
J) Power Circuit105
Loading Circuit107
Printed Circuit Board108
A) DVD Module P.C.B. (Side: a & B )108
B) Main P.C.B110
C) Panel P.C.B112
D) MIC P.C.B. & (E) Tact P.C.B114
F) Deck P.C.B. & (G) Deck Mechanism115
H) Power Supply P.C.B116
I) Power Amp P.C.B. & (M) CD Loading P.C.B117
J) Power P.C.B118
K) Transformer120
L) AC Inlet121
Wiring Connection Diagram122
Illustration of Ics, Transistors and Diodes124
Terminal Function of IC125
IC6800 (C2CBJG000486) System Microprocessor125
Parts Location and Replacement Parts List127
Deck Mechanism (RAA3412-S)128
DVD Loading Mechanism131
Cabinet135
Electrical Parts List138
Packing Materials & Accessories Parts List151
Packaging152

Panasonic SA-VK81DEE - Repair Procedures

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