Panasonic Omnivision PV-9661, Service Manual

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1 SAFETY PRECAUTIONS 3
2 PREVENTION OF ELECTROSTATIC DISCHARGE (ESD) TO
ELECTROSTATICALLY SENSITIVE (ES) DEVICES 4
3 OPERATION GUIDE 5
4 SERVICE NOTES (PLEASE READ) 10
4.1. SERVICE NOTES 10
4.2. IC, TRANSISTOR AND CHIP PART INFORMATION 18
5 DISASSEMBLY/ASSEMBLY PROCEDURES 19
5.1. CABINET SECTION 19
5.2. MECHANISM SECTION 23
5.3. DISASSEMBLY/ASSEMBLY PROCEDURES OF
CASSETTE UP COMPARTMENT SECTION 33
6 ADJUSTMENT PROCEDURES 35
6.1. SERVICE FIXTURES AND TOOLS 35
6.2. MECHANICAL ADJUSTMENT 36
6.3. ELECTRICAL ADJUSTMENT 41
6.4. TEST POINTS AND CONTROL LOCATION 42
7 SCHEMATIC DIAGRAMS 43
7.1. SCHEMATIC DIAGRAMS AND CIRCUIT BOARD
LAYOUT NOTES 43
7.2. MAIN I (SYSTEM CONTROL / SERVO) SCHEMATIC
DIAGRAM 44
7.3. MAIN II (SIGNAL PROCESS / AUDIO) SCHEMATIC
DIAGRAM 45
7.4. MAIN III (POWER SUPPLY) SCHEMATIC DIAGRAM 47
7.5. MAIN IV (Hi-Fi) SCHEMATIC DIAGRAM 48
7.6. MAIN V (OPERATION) / OPERATION II SCHEMATIC
DIAGRAM (A) 50
7.7. MAIN V (OPERATION) / OPERATION II SCHEMATIC
DIAGRAM (B) 51
7.8. MAIN VI (ADVANCE) SCHEMATIC DIAGRAM (B) 52
7.9. OPERATION I SCHEMATIC DIAGRAM 53
7.10. Hi-Fi AUDIO / VIDEO HEAD AMP SCHEMATIC
DIAGRAM 54
7.11. CAPSTAN STATOR / JUNCTION / LOADING MOTOR /
AUDIO CONTROL HEAD SCHEMATIC DIAGRAM 55
7.12. INTERCONNECTION SCHEMATIC DIAGRAM 56
7.13. SIGNAL WAVEFORM 57
7.14. VOLTAGE CHART 59
8 CIRCUIT BOARD LAYOUT 63
8.1. MAIN (POWER SUPPLY / SIGNAL PROCESS / AUDIO /
Hi-Fi AUDIO / SYSTEM CONTROL / SERVO /
OPERATION) C.B.A. VEPS6052HA (A) 63
8.2. MAIN (POWER SUPPLY / SIGNAL PROCESS / AUDIO /
Hi-Fi AUDIO / SYSTEM CONTROL / SERVO /
OPERATION) C.B.A. VEPS6055HA (B) 65
8.3. OPERATION I C.B.A. VEPS8052A (A) / VEPS8052B (B)
67
8.4. OPERATION II C.B.A. VEPS8053A 68
8.5. Hi-Fi AUDIO / VIDEO HEAD AMP C.B.A. VEPS5019A 69
8.6. CAPSTAN STATOR / JUNCTION C.B.A. / LOADING
MOTOR P.C.B. / AUDIO CONTROL HEAD P.C.B. 70
9 BLOCK DIAGRAMS 71
9.1. POWER SUPPLY BLOCK DIAGRAM 71
9.2. VIDEO SIGNAL PATH BLOCK DIAGRAM 72
9.3. AUDIO SIGNAL PATH BLOCK DIAGRAM 73
9.4. Hi-Fi AUDIO SIGNAL PATH BLOCK DIAGRAM 74
9.5. SYSTEM CONTROL BLOCK DIAGRAM 75
9.6. SERVO BLOCK DIAGRAM 76
9.7. OPERATION BLOCK DIAGRAM 77
9.8. ADVANCE BLOCK DIAGRAM 78
9.9. TROUBLESHOOTING HINTS 79
10 EXPLODED VIEWS 81
10.1. MECHANISM (TOP) SECTION 81
10.2. MECHANISM (BOTTOM) SECTION 82
10.3. CASSETTE UP COMPARTMENT SECTION 83
10.4. CHASSIS FRAME AND CASING PARTS SECTION 84
10.5. PACKING PARTS AND ACCESSORIES SECTION 85
11 REPLACEMENT PARTS LIST 86
11.1. REPLACEMENT NOTES 86
11.2. MECHANICAL REPLACEMENT PARTS LIST 87
11.3. ELECTRICAL REPLACEMENT PARTS LIST 88
CONTENTS
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PV-9661 / PV-9662