Panasonic SA-PM91DEE

Panasonic SA-PM91DEE

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12.1. Disassembly flow chart

The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the

servicing.

To assemble the unit, reverse the steps shown in the chart below.

19

SA-PM91DEE

Table of Contents

Table of Contents2
Safety Precautions4
- General Guidelines4
Before Repair and Adjustment5
Protection Circuitry5
Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices5
Handling the Lead-Free Solder6
- About Lead Free Solder (Pbf)6
Precaution of Laser Diode7
Cautions to be Taken When Handling Optical Pickup8
- Handling Optical Pickup8
- Replacing Precautions for Optical Pickup Unit8
- Grounding for Preventing Electrostatic Destruction8
- Accessories9
Operation Procedures10
Disc Information12
About Highmat14
- What 痴 Highmat14
- Why Take Advantage of Highmat14
- Benefits of Highmat15
Assembling and Disassembling18
- Disassembly Flow Chart19
- Disassembly of Side Panel (L) & (R)20
- Disassembly of Top Cabinet Unit20
- Disassembly of Deck Mechanism and Tape Eject P.C.B20
- Disassembly of Front Panel Assembly21
  - Disassembly of Panel P.C.B21
  - Disassembly of Switch P.C.B22
  - Disassembly of Rear Cabinet23
  - Disassembly of Tuner Pack23
- Disassembly of Harmonic Bass P.C.B24
- Disassembly of Scart Terminal P.C.B24
- Disassembly of Speaker P.C.B24
- Disassembly of Main P.C.B24
- Disassembly of Transformer P.C.B25
- Disassembly of Power P.C.B25
- Disassembly of DVD Mechanism Unit26
- Checking Procedure for each Major26
- Procedure for Replacing Deck Holder27
- Replacing for CD Lid27
- Procedure for Replacing Pinch Roller and Head Block (Deck Mechanism Unit)28
- Procedure for Replacing Motor, Capstan Belt A, Capstan Belt B, and Winding Belt (Deck Mechanism Unit)29
- Procedure for Replacing Parts on Deck Mechanism PCB30
- Procedure for Removing CR16 Mechanism (Precaution)30
- CR16 Mechanism Disassembly Procedure31
- Cr16 Mechanism Assembly Procedure41
- Disassembly of Traverse Mechanism53
- Handling of Cassette Tape Jam54
Service Positions55
- Checking Procedure55
- Checking the Major P.C.B55
Self-Diagnosis Function56
- Automatic Displayed Error Codes56
- Memorized Error Codes56
- Opecon Version and EEPROM Checksum Display57
- Service Mode Table57
- Self-Diagnosis Error Code Description58
- DVD/CD Self-Diagnosis Error Code Description58
- Service Mode Table59
- Tray Lock Function61
- Things to Do after Repair (Precaution)62
- Displaying Self-Diagnostic Results62
- Error Detection for DVD/CD Block62
- Error Detection Code for Cassette Mechanism Block63
- Changer Reliability Test 163
- Changer Reliability Test63
- Changer Reliability Test 364
Cautions to be Taken During Servicing66
- Recovery after the DVD Player Is Repaired66
- DVD Player Firmware Version Upgrade Process66
- Firmware Version Upgrade Process by Using Disc and Recovery Process66
- Using Recovery Disc67
- Total Usage Time Display67
Procedure for Checking Operation of Individual Parts for Deck Mechanism Unit68
- Operation Check with Cassette Tape68
- Operation Check Without Cassette Tape68
Measurement and Adjustments70
- Cassette Deck Section70
Voltage Measurement and Waveform Chart72
- Voltage Measurement72
- Waveform78
Block Diagram79
- DVD Module Block79
- Main Block82
Notes of Schematic Diagram88
Schematic Diagram89
- Optical Pickup Unit Circuit89
- DVD Module Circuit90
- Main Circuit97
- Panel Circuit, Harmonic Bass Circuit & Switch Circuit102
- Scart Terminal Circuit & Speaker Circuit104
- Transformer Circuit105
- Power Circuit106
- Deck Circuit, Tape Eject Circuit & Deck Mechanism Circuit108
- CD Loading Circuit110
Printed Circuit Board111
- DVD Module P.C.B. (Side: a & B)111
- Main P.C.B113
- Panel P.C.B115
- Transformer P.C.B116
- Power P.C.B118
- Deck P.C.B. & Tape Eject P.C.B119
- Deck Mechanism P.C.B. & CD Loading P.C.B120
- Scart Terminal P.C.B. & Harmonic Bass P.C.B121
- Switch P.C.B. & Speaker P.C.B122
Wiring Connection Diagram123
Type Illustrations of Ics, Transistors & Diodes125
Terminal Function of IC 痴126
- IC2801(C2CBJG000573) Microprocessor126
Parts Location and Replacement Parts List127
- Deck Mechanism (RAA4110-S)128
- CD Loading Mechanism130
- Cabinet133
- Electrical Parts List137
- Packing Materials & Accessories Parts List148
- Packaging148

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