Panasonic SA-PM33EE - Checking and Repairing of Power P.C.B

Panasonic SA-PM33EE

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11.8. Checking and Repairing of Power P.C.B.

44

SA-PM33EE

Table of Contents

Default Chapter1
- Laser Power CLASS1
- Table of Contents2
1 Safety Precautions4
- General Guidelines4
- Before Repair and Adjustment5
- Protection Circuitry5
- Prevention of Electro Static Discharge (ESD) to6
2 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices6
3 Precaution of Laser Diode7
4 Handling Precautions for Traverse Deck8
5 Handling the Lead-Free Solder9
- About Lead Free Solder (Pbf)9
6 Accessories10
7 Operating Instructions Procedures11
- Main Unit & Remote Control Operation11
- Disc Information12
8 Self Diagnosis and Special Mode Setting13
- Special Mode Table13
- Error Code Table17
9 Assembling and Disassembling19
- Caution19
- Disassembly Flow Chart20
- Main Parts Location Diagram21
- Disassembly of Side Panel L & R22
- Disassembly of Top Cabinet Unit22
- Disassembly of Deck Mechanism and Tape Eject23
- Disassembly of Headphone23
- Disassembly of Front Panel23
- Disassembly of Panel P.C.B24
- Disassembly of Rear Panel25
- Disassembly of Tuner Pack25
- Disassembly of Main P.C.B25
- Disassembly of Power P.C.B26
- Disassembly of Speaker Terminal P.C.B27
- Disassembly of Transformer27
- Disassembly of CD Mechanism27
- Disassembly of Cassette Lid28
- Disassembly of Traverse Unit, Driving Gear, and Cam Gear (CD Mechanism Unit)29
- Disassembly of Optical Pickup (CD Mechanism Unit)32
- Disassembly of Traverse Gear a and Traverse Gear B (CD Mechanism Unit)33
- Disassembly of Pinch Roller and Head Block (Deck Mechanism Unit)34
- Disassembly of Motor, Capstan Belt A, Capstan Belt B, and Winding Belt (Deck Mechanism Unit)34
- Disassembly of Deck Mechanism36
- Handling of Cassette Tape Jam36
10 Service Fixture and Tools37
11 Service Positions37
- Checking and Repairing of Deck, Deck Mechanism, Headphone P.C.B. and Tape Eject37
- Checking and Repairing of Panel P.C.B38
- Checking and Repairing of Tuner Pack P.C.B39
- Checking and Repairing of Transformer P.C.B40
- Checking and Repairing of Main P.C.B41
- Checking and Repairing of CD Mechanism P.C.B42
- Checking and Repairing of Speaker Terminal P.C.B43
- Checking and Repairing of Power P.C.B44
12 Procedure for Checking Operation of Individual Parts of Deck Mechanism Unit45
- Operation Check with Cassette Tape45
- Operation Check Without Cassette Tape45
13 Measurement and Adjustments47
- Cassette Deck Section47
14 Voltage Measurement and Waveform Chart49
- Voltage Measurement49
- Waveform53
15 Wiring Connection Diagram55
16 Block Diagram57
17 Notes of Schematic Diagram61
18 Schematic Diagram63
- CD Servo Circuit63
- Main Circuit and Tuner Extent Circuit64
- Panel Circuit66
- Deck Circuit, Deck Mechanism Circuit and Tape Eject Circuit67
- Power Circuit68
- Transformer Circuit, Headphone Circuit and Speaker Terminal Circuit69
19 Printed Circuit Board71
- CD Servo P.C.B71
- Main P.C.B and Tuner Extent P.C.B72
- Panel P.C.B73
- Deck P.C.B, Deck Mechanism P.C.B and Tape Eject P.C.B74
- Power P.C.B and Speaker Terminal P.C.B75
- Transformer P.C.B and Headphone P.C.B76
20 Illustration of IC's, Transistors and Diodes77
21 Terminal Function of IC's78
- Ic7001 (Mn6627954Ma) IC Servo Processor/Digital Signal Processor/Digital Filter D/A Converter78
- IC7002 (BA5948FPE2) IC 4CH Drive79
- Ic803 (Mn101C49Ghd) Microprocessor79
22 Troubleshooting Flowchart (CD Section Circuit)81
23 Exploded Views83
- Cabinet Parts Location83
- Cassette Deck (RAA4402-1S) & Traverse Deck Part Location84
- Packaging85
24 Replacement Parts List87

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