Panasonic SA-VK91D

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Step 10 Remove the catch of the drive rack, and take out the

drive rack.

Step 11 Place the convex part of an optical pickup to the

concave part of a traverse base, then take out the optical

pickup.

SA-VK91DGCS / SA-VK91DGCP

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Table of Contents2
Before Use4
Before Repair and Adjustment4
Protection Circuitry4
Safety Precautions4
General Guidelines4
Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices5
Handling the Lead-Free Solder6
About Lead Free Solder (Pbf)6
Cautions to be Taken When Handling Optical Pickup7
Handling Optical Pickup7
Replacing Precautions for Optical Pickup Unit7
Grounding for Preventing Electrostatic Destruction7
Precaution of Laser Diode8
Accessories9
Operation Procedures10
Disc Information12
About Highmat14
What Is Highmat14
Why Use Highmat14
The Advantages of Using Highmat14
Outline of the Highmat Standard15
Procedure for Repairing the Set17
Distinguish the Problem18
Diagnosis of Optical Pick-Up Unit21
Optical Pickup Self-Diagnosis and Replacement Procedure23
Self-Diagnosis23
Cautions to be Taken During Replacement of Optical Pickup and Spindle Motor24
Self-Diagnosis Function25
Automatic Displayed Error Codes25
Memorized Error Codes25
Mode Table25
DVD/CD Self-Diagnosis Error Code Description26
Error Codes Stored During no Play26
Mode Table26
Tray Lock Function29
Things to Do after Repair29
Cautions to be Taken During Servicing30
Recovery after the DVD Player Is Repaired30
DVD Player Firmware Version Upgrade Process30
Firmware Version Upgrade Process by Using Disc and Recovery Process30
Using Recovery Disc30
Total Usage Time Display31
After Replacement of DVD Module31
Disassembly and Assembly of Main Component32
Disassembly Flow Chart32
Disassembly of Top Cabinet33
Disassembly for DVD Changer Unit33
Disassembly for Panel P.C.B., MIC P.C.B. & Tact Switch34
Disassembly of Main P.C.B., Speaker P.C.B., Sub Power P.C.B., Power P.C.B., Transformer P.C.B. & Voltage Selector35
Replacement for Traverse Deck38
Replacement for Optical Pickup Unit (DVD Mechanism)38
Procedure for Removing CD Loading Mechanism41
CR16 Mechanism Disassembly Procedure41
Cr16 Mechanism Assembly Procedure47
Disassembly for Traverse Unit58
Disassembly of Deck Mechanism Unit60
Replacement for the Cassette Lid Ass 馳64
Counter-Measure for Tape Trouble65
Service Position66
Checking Procedure66
Checking the Main P.C.B., Speaker P.C.B., Power P.C.B., Sub Power P.C.B., Transformer P.C.B., Voltage Selector P.C.B. and AC Inlet66
Checking the Panel P.C.B., Tact P.C.B., MIC P.C.B., Deck67
Deck Mechanism P.C.B67
Measurements and Adjustments68
Cassette Deck Section68
Tuner Section69
Alignment Points70
Block Diagram71
Schematic Diagram80
Optical Pickup Unit Circuit81
A) DVD Module Circuit82
B) Main Circuit89
C) Panel Circuit , (D) MIC Circuit & (E) Tact Switch Circuit98
F) Deck Circuit & (G) Deck Mechanism Circuit102
H) Power Circuit104
I) Sub Power Circuit106
J) Speaker Circuit107
K) Transformer Circuit, (L) AC Inlet Circuit, (M) Voltage Selector Circuit & (N) CD Loading Circuit109
Printed Circuit Board110
A) DVD Module P.C.B. (Side: a & B )110
B) Main112
C) Panel113
D) MIC P.C.B. & (E) Tact115
F) Deck P.C.B. & (G) Deck Mechanism116
H) Power117
I) Sub Power P.C.B. & (N) CD Loading118
J) Speaker119
K) Transformer121
L) AC Inlet P.C.B. & (M) Voltage Selector122
Wiring Connection Diagram123
Illustration of Ics, Transistors and Diodes125
Terminal Function of IC126
IC6800 (C2CBJG000460) System Microprocessor126
Parts Location and Replacement Parts List128
Deck Mechanism (RAA3412-S)129
DVD Loading Mechanism132
Cabinet136
Electrical Parts List139
Packing Materials & Accessories Parts List153
Packaging154

Panasonic SA-VK91D - Page 40

Table of Contents

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