Panasonic SA-VK81D - Repair and Diagnosis Procedures; Procedure for Repairing the Set

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13 Procedure for repairing the set

17

SA-VK81DGCS / SA-VK81DGCP

Table of Contents

Default Chapter2
- Table of Contents2
1 Before Use4
2 Before Repair and Adjustment4
3 Protection Circuitry4
4 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
- 8 Precaution of Laser Diode8
- 9 Accessories9
10 Operation Procedures10
11 Disc Information12
12 About Highmat14
- What Is Highmat14
- Why Use Highmat14
- The Advantages of Using Highmat14
- Outline of the Highmat Standard15
13 Procedure for Repairing the Set17
- Distinguish the Problem18
- Power Supply19
- Terminal20
  - Diagnosis of Optical Pick-Up Unit21
14 Optical Pickup Self-Diagnosis and Replacement Procedure23
- Self-Diagnosis23
- Cautions to be Taken During Replacement of Optical Pickup and Spindle Motor24
15 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
16 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 and30
17 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 Switch P.C.B34
- Disassembly of Main P.C.B., Power P.C.B., , Power Amp35
- Terminal37
- Voltage Selector P.C.B38
- Disassembly of Deck Mechanism Unit60
- Counter-Measure for Tape Trouble64
18 Service Position65
- P.C.B., Deck P.C.B. & Deck Mechanism P.C.B66
19 Measurements and Adjustments67
- Tuner Section68
- Alignment Points69
20 Block Diagram70
- Power Supply72
- Power Supply78
21 Schematic Diagram79
- Optical Pickup Unit Circuit80
- A) DVD Module Circuit81
- Power Supply82
- B) Main Circuit88
- H) Power Supply Circuit103
- Power Supply104
22 Printed Circuit Board109
- B) Main P.C.B111
- C) Panel P.C.B113
- D) MIC P.C.B. & (E) Tact P.C.B115
- H) Power Supply P.C.B116
- I) Power Amp P.C.B. & (N) CD Loading P.C.B117
- J) Power P.C.B118
  - F) Deck P.C.B. & (G) Deck Mechanism120
  - M) Voltage Selector P.C.B. & (L) AC Inlet P.C.B122
23 Wiring Connection Diagram123
- Power Supply124
24 Illustration of Ics, Transistors and Diodes125
- Terminal Function of IC126
- Power Supply127
26 Parts Location and Replacement Parts List128
- Deck Mechanism (RAA3412-S)129
- DVD Loading Mechanism132
- Cabinet136
- Electrical Parts List139
25 Terminal143
- Packing Materials & Accessories Parts List153

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