Panasonic SA-AK450PL, Service Manual

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9.1. Service Mode Summary Table 16
9.2. Special Mode Table 1 16
9.3. Reliability Test Mode (CRS1 Mechanism) 19
9.4. Error code Table Display 20
10 Assembling and Disassembling 24
10.1. Caution 24
10.2. Disassembly flow chart 25
10.3. Main Parts Location 26
10.4. Disassembly of Top Cabinet 27
10.5. Disassembly of CD Changer Unit (CRS1) 27
10.6. Disassembly of Rear Panel 28
10.7. Disassembly of Main P.C.B. 30
10.8. Disassembly of Transformer P.C.B. 30
10.9. Disassembly of Power P.C.B. 31
10.10. Disassembly of Front Panel Unit 32
10.11. Disassembly for Panel P.C.B. 33
10.12. Disassembly of Tact Switch P.C.B. 34
10.13. Disassembly of USB P.C.B. 34
10.14. Disassembly of Deck mechanism unit 35
10.15. Disassembly of Deck P.C.B. 35
10.16. Disassembly of Traverse Unit 36
10.17. Disassembly for Deck Mechanism 37
10.18. Disassembly of Deck Mechanism P.C.B. 40
10.19. Disassembly of cassette lid 41
10.20. Rectification for tape jam problem 41
11 Service Fixture and Tools 43
12 Service Positions 43
12.1. Checking and Repairing of Main P.C.B. 43
12.2. Checking and Repairing of Transformer P.C.B. 44
12.3. Checking and Repairing of Panel, Deck & Deck
Mechanism P.C.B. 44
12.4. Checking and Repairing of Power P.C.B. 45
13 Procedure for Checking Operation of Individual Parts of Deck
Mechanism Unit 46
13.1. Operation Check with Cassette Tape 46
13.2. Operation Check without Cassette Tape 46
14 Measurement And Adjustments 48
14.1. Cassette Deck Section 48
15 Voltage and Waveform Chart 50
15.1. CD Servo P.C.B. 50
15.2. Deck P.C.B. 50
15.3. Main P.C.B. 51
15.4. Panel P.C.B. 51
15.5. Power P.C.B. & Transformer P.C.B. 52
15.6. Waveform Chart 53
16 Wiring Connection Diagram 54
17 Block Diagram 55
17.1. CD Servo Diagram 55
17.2. Deck/ Deck Mechanism Diagram 56
17.3. Main Diagram 57
17.4. Panel Diagram 59
17.5. Power Diagram 60
17.6. USB/ Transformer Diagram 61
18 Notes Of Schematic Diagram 63
19 Schematic Diagram 65
19.1. (A) CD Servo Circuit 65
19.2. (B) Main Circuit 66
19.3. (C) Panel Circuit 70
19.4. (D) Sub Panel Circuit & (G) Deck Mechanism Circuit 71
19.5. (E) Power Circuit 72
19.6. (F) Deck Circuit 74
19.7. (H) Transformer Circuit 75
19.8. (I) USB Circuit 76
20 Printed Circuit Board 77
20.1. (A) CD Servo P.C.B., (F) Deck P.C.B. & (G) Deck
Mechanism P.C.B. 78
20.2. (B) Main P.C.B. 79
20.3. (C) Panel P.C.B. 80
20.4. (D) Sub Panel P.C.B. & (I) USB P.C.B. (Side A & B) 81
20.5. (E) Power P.C.B. 82
20.6. (H) Transformer P.C.B. 83
21 Illustration of ICs, Transistors and Diodes 85
22 Terminal Function of IC's 86
22.1. IC7001 (MN6627954MA) Servo Processor,Digital Signal
Processor/Digital filter and D/A Converter 86
22.2. IC7002 (BA5948FPE2) IC 4CH Drive 87
22.3. IC2801 (C2CBYY000423) System Microprocessor 87
23 Exploded Views 89
23.1. Cabinet Parts Location 89
23.2. Deck Mechanism Parts Location (RAA4403-S) 91
23.3. Packaging 92
24 Replacement Parts List 93
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SA-AK450PL