Panasonic SA-VK61DEE - Diagnosis of Optical Pick-Up Unit

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12.2. Diagnosis of Optical Pick-up Unit

How to distinguish Laser destruction/damage

Confirmation 1

Remove cover of mechanism block so that you will see the lens of optical pickup.

Confirm emission of laser at the moment when power switch is turned on.

If there is no laser emission, laser diode is faulty.

Confirmation 2

SA-VK61DEE

Main Page

Default Chapter2
- Table of Contents2
1 Before Repair and Adjustment3
2 Protection Circuitry3
3 Safety Precautions4
- General Guidelines4
4 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices4
5 Handling the Lead-Free Solder6
- About Lead Free Solder (Pbf)6
6 Cautions to be Taken When Handling Optical Pickup6
- Handling Optical Pickup6
- Replacing Precautions for Optical Pickup Unit6
- Grounding for Preventing Electrostatic Destruction6
7 Precaution of Laser Diode8
8 Accessories9
9 Operation Procedures10
10 Disc Information12
11 About Highmat14
- What Is Highmat14
- Why Use Highmat14
- The Advantages of Using Highmat14
- Outline of the Highmat Standard15
12 Procedure for Repairing the Set17
- Distinguish the Trouble Cause18
- Diagnosis of Optical Pick-Up Unit20
13 Optical Pickup Self-Diagnosis and Replacement Procedure22
- Self-Diagnosis22
- Cautions to be Taken During Replacement of Optical Pickup and Spindle Motor23
14 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
15 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
16 Disassembly and Assembly of Main Component31
- Disassembly Flow Chart31
- Disassembly of Top Cabinet32
- Disassembly of DVD Module (2) P.C.B32
- Disassembly for the Top Ornament Unit32
- Disassembly for DVD Changer Unit34
- Disassembly for Panel P.C.B., LED P.C.B. & Tact Switch34
- Replacement for the Cassette Lid Ass 馳54
- Counter-Measure for Tape Trouble55
17 Measurements and Adjustments56
- Cassette Deck Section56
- Tuner Section57
- Alignment Points58
18 Block Diagram59
19 Schematic Diagram69
- A) DVD Module (1) Circuit70
- B) DVD Module (2) Circuit72
- C) Main Circuit & (D) Tuner Extent Circuit83
- E) Panel Circuit, (F) LED Circuit & (G) Tact Switch Circuit95
- H) Tuner Circuit99
- J) Deck Circuit & (K) Deck Mechanism Circuit101
- L) Power Supply Circuit103
- M) Power Circuit105
- N) Transformer Circuit, (O) AC Inlet Circuit, (Q) CD107
20 Printed Circuit Board108
- A) DVD Module (1) P.C.B. (Component & Foil Side)108
- B) DVD Module (2) P.C.B. (Side a & B)109
- C) Main P.C.B113
- D) Tuner Extent P.C.B., (F) LED P.C.B. & (G) Tact P.C.B115
- E) Panel P.C.B116
- H) Tuner P.C.B118
- J) Deck P.C.B. & (K) Deck Mechanism P.C.B119
- L) Power Supply P.C.B120
- M) Power P.C.B122
- N) Transformer P.C.B124
- O) AC Inlet P.C.B125
- Q) CD Loading P.C.B., (R) CD Detect P.C.B. & (S)126
  - Spindle Position P.C.B126
21 Wiring Connection Diagram127
22 Illustration of Ics, Transistors and Diodes129
23 Terminal Function of IC130
24 Parts Location and Replacement Parts List131
- Deck Mechanism (RAA3412-S)132
- CD Loading Mechanism (RD-DAC036-S)135
- Cabinet139
- Electrical Parts List142
- Packing Materials & Accessories Parts List155
- Packaging156

Panasonic SA-VK61DEE - Diagnosis of Optical Pick-Up Unit

Table of Contents

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