Panasonic SA-AK350GCP, Service Manual

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10.8. Disassembly of Transformer P.C.B. 33
10.9. Disassembly of Power P.C.B. 34
10.10. Disassembly of Front Panel Unit 35
10.11. Disassembly for Panel P.C.B. 36
10.12. Disassembly of Tact Switch P.C.B. 36
10.13. Disassembly of USB P.C.B. 37
10.14. Disassembly of Deck mechanism unit 37
10.15. Disassembly of Deck P.C.B. 38
10.16. Disassembly of Traverse Unit 38
10.17. Disassembly for Deck Mechanism 40
10.18. Disassembly of Deck Mechanism P.C.B. 42
10.19. Disassembly of cassette lid 43
10.20. Rectification for tape jam problem 43
11 Service Fixture and Tools 45
12 Service Positions 45
12.1. Checking and Repairing of Main P.C.B. 45
12.2. Checking and Repairing of Transformer P.C.B. 46
12.3. Checking and Repairing of Panel, Deck & Deck
Mechanism P.C.B. 46
12.4. Checking and Repairing of Power P.C.B. 47
13 Procedure for Checking Operation of Individual Parts of Deck
Mechanism Unit 48
13.1. Operation Check with Cassette Tape 48
13.2. Operation Check without Cassette Tape 48
14 Measurement And Adjustments 50
14.1. Cassette Deck Section 50
15 Voltage and Waveform Chart 52
15.1. USB P.C.B. 52
15.2. CD Servo P.C.B. 52
15.3. Deck P.C.B. & Deck Mechanism P.C.B. 53
15.4. Main P.C.B. 54
15.5. Panel P.C.B. 54
15.6. Power P.C.B. & Transformer P.C.B. 55
15.7. Waveform Chart 56
16 Wiring Connection Diagram 57
17 Block Diagram 59
17.1. CD Servo Diagram 59
17.2. Deck/ Deck Mechanism Diagram 60
17.3. Main Diagram 61
17.4. Panel Diagram 63
17.5. Power Diagram 64
17.6. USB/ Transformer Diagram 65
18 Notes Of Schematic Diagram 67
19 Schematic Diagram 69
19.1. (A) CD Servo Circuit 69
19.2. (B) Main Circuit 70
19.3. (C) Panel Circuit 74
19.4. (D) Sub Panel Circuit & (G) Deck Mechanism Circuit 75
19.5. (E) Power Circuit 76
19.6. (F) Deck Circuit 78
19.7. (H) Transformer Circuit 79
19.8. (I) USB Circuit 80
20 Printed Circuit Board 81
20.1. (A) CD Servo P.C.B., (F) Deck P.C.B. & (G) Deck
Mechanism P.C.B. 82
20.2. (B) Main P.C.B. 83
20.3. (C) Panel P.C.B. 84
20.4. (D) Sub Panel P.C.B. & (I) USB P.C.B. (Side A & B) 85
20.5. (E) Power P.C.B. 86
20.6. (H) Transformer P.C.B. 87
21 Illustration of ICs, Transistors and Diodes 89
22 Terminal Function of IC's 90
22.1. IC7001 (MN6627954MA) Servo Processor,Digital Signal
Processor/Digital filter and D/A Converter 90
22.2. IC7002 (BA5948FPE2) IC 4CH Drive 91
22.3. IC2801 (C2CBYY00083) System Microprocessor 91
23 Exploded Views 93
23.1. Cabinet Parts Location 93
23.2. Deck Mechanism Parts Location (RAA4403-S) 95
23.3. Packaging 96
24 Replacement Parts List 97
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SA-AK350GCP