Panasonic SA-PM21PC - Troubleshooting Flowchart (CD Section)

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23 Troubleshooting Flowchart (CD Section Circuit)

76

SA-PM21PC

Table of Contents

Default Chapter2
- Table of Contents2
1 Safety Precautions4
- General Guidelines4
2 Before Repair and Adjustment6
3 Protection Circuitry6
4 Handling the Lead-Free Solder6
- About Lead Free Solder (Pbf)6
5 Precaution of Laser Diode7
6 Handling Precautions for Traverse Deck8
7 Accessories9
8 Operation Procedures10
9 Information on CD & MP311
10 Assembling and Disassembling12
- Disassembly Flow Chart12
- Disassembly of Side Panel L & R13
- Disassembly of Top Cabinet Unit13
- Disassembly of Deck Mechanism and Tape Eject P.C.B13
- Disassembly of Headphone P.C.B14
- Disassembly of Front Panel Assembly14
- Disassembly of Panel P.C.B15
- Disassembly of Rear Cabinet15
- Disassembly of Tuner Pack15
- Disassembly of Main P.C.B16
- Disassembly of Power P.C.B16
- Disassembly of Speaker Terminal P.C.B17
- Disassembly of Transformer P.C.B17
- Disassembly of CD Mechanism18
- Checking Procedure for each Major P.C.B19
- Procedures of Replacing Traverse Base (Unit), Driving Gear, and Cam Gear (CD Mechanism Unit)19
- Procedures for Replacing Optical Pickup22
  - Unit)22
- Procedures for Replacement Traverse Gear a and23
  - Traverse Gear B (CD Mechanism Unit)23
- Procedure for Replacing Cassette Holder24
- Procedure for Replacing Pinch Roller and Head Block24
  - (Deck Mechanism Unit)24
- Procedure for Replacing Motor, Capstan Belt A, Capstan25
  - Belt B, and Winding Belt (Deck Mechanism Unit)25
- Procedure for Replacing Parts on Deck Mechanism PCB27
- Handling of Cassette Tape Jam27
11 Service Positions29
- Checking Procedure29
- Checking the Major P.C.B29
12 Self Diagnostic Function30
- Self-Diagnosis Function30
- Clearing All Error Code32
- Cancelling the Self-Diagnostic Mode32
- Setting of Doctor Mode32
13 Procedure for Checking Operation of Individual Parts of Deck Mechanism Unit37
- Operation Check with Cassette Tape37
- Operation Check Without Cassette Tape37
14 Measurement and Adjustments39
- Cassette Deck Section39
15 Voltage Measurement and Waveform Chart41
- Voltage Measurement41
- Waveform43
16 Block Diagram44
- CD Servo Block44
- Main Block46
17 Notes of Schematic Diagram50
18 Schematic Diagram51
- CD Servo Circuit51
- Main Circuit and Tuner Extent Circuit53
- Panel Circuit57
- Deck Circuit, Deck Mechanism Circuit and Tape Eject58
- Circuit59
- Power Circuit60
- Transformer Circuit, Headphone Circuit and Speaker Terminal Circuit61
19 Printed Circuit Board62
- CD Servo P.C.B62
- Main P.C.B63
- Tuner Extent P.C.B, Headphone P.C.B and Speaker Terminal P.C.B65
- Panel P.C.B66
- Deck P.C.B and Deck Mechanism P.C.B67
- Power P.C.B68
- Transformer P.C.B and Tape Eject P.C.B69
20 Wiring Connection Diagram70
21 Illustration of IC 痴, Transistors and Diodes72
22 Terminal Function of ICｴS73
- IC702 (MN6627953HB) Servo Processor/ Digital Signal Processor/ Digital Filter/ D/A Converter73
- Ic703 (Ba5948Fpe2) IC 4Ch Drive74
- Ic803 (Mn101C49Gha) Micro Processor75
23 Troubleshooting Flowchart (CD Section Circuit)76
24 Parts Location and Replacement Parts List78
- Deck Mechanism79
- CD Loading Mechanism81
- Cabinet83
- Electrical Part List86
- Packaging Materials & Accessories Parts List92
- Packaging92

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