Panasonic Video Cassette Recorder Pvq V200 Service Manual

							‹2000 Matsushita-Kotobuki Electronics Industries
LTD. All rights reserved. Unauthorized copying and
distribution is a violation of law.
PVQ-V200
PV-V4020
VHQ-400
VHQ-40M
PV-V4520
PV-V4540
Video Cassette Recorder
ORDER NO. MKE0001000C1
B3 
						

							 1 SAFETY PRECAUTIONS 3
 2 PREVENTION OF ELECTRO-STATIC DISCHARGE (ESD) TO
ELECTROSTATICALLY SENSITIVE (ES) DEVICES 
4
 3 OPERATION GUIDE 
5
 4 SERVICE NOTES (PLEASE READ) 
11
 4.1. SERVICE NOTES 
11
 4.2. IC, TRANSIST OR AND CHIP PART INFORMATION 
20
 5 DISASSEMBLY/ASSEMBLY PROCEDURES 
21
 5.1. CABINET SECTION 
21
 5.2. MECHANISM SECTION 
24
 5.3. CASSETTE UP ASSY SECTION 
36
 6 ADJUSTMENT PROCEDURES 
38
 6.1. SERVICE FIXTURES AND TOOLS  
38
 6.2. MECHANICAL ADJUSTMENT 
39
 6.3. ELECTRICAL ADJUSTMENT 
44
 6.4. TEST POINTS AND CONTROL LOCATION 
46
 7 SCHEMATIC DIAGRAMS 
47
 7.1. SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT
NOTES 
47
 7.2. MAIN I (SYSTEM CONTROL/SERVO) SCHEMATIC
DIAGRAM 
48
 7.3. MAIN II (SIGNAL PROCESS/AUDIO) SCHEMATIC
DIAGRAM 
49
 7.4. MAIN III (POWER SUPPLY) SCHEMATIC DIAGRAM 
51
 7.5. MAIN IV (Hi-Fi) SCHEMATIC DIAGRAM (E, F) 
52
 7.6. MAIN V (OPERATIO N) SCHEMATIC DIAGRAM 
54
 7.7. MAIN VI (CYLINDER DRIVE/ADVANCE) SCHEMATIC
DIAGRAM 
55
 7.8. HEAD AMP (A) / AUDIO CONTROL HEAD SCHEMATIC
DIAGRAM 
56
 7.9. HEAD AMP (B, C, D) / AUDIO CONTROL HEAD
SCHEMATIC DIAGRAM 
57 7.10. Hi-Fi AUDIO/VIDEO HEAD AMP (E, F) / AUDIO
CONTROL HEAD SCHEMATIC DIAGRAM 
58
 7.11. CAPSTAN STATOR SCHEMATIC DIAGRAM 
59
 7.12. INTERCONNECTION SCHEMATIC DIAGRAM 
60
 7.13. SIGNAL WAVEFOR M 
61
 7.14. VOLTAGE CHART 
63
 8 CIRCUIT BOARD LAYOUT 
67
 8.1. MAIN C.B.A. (A, C) 
67
 8.2. MAIN C.B.A. (B, D, E, F) 
68
 8.3. HEAD AMP C.B.A. (A, B, C, D) / Hi-Fi AUDIO/VIDEO
HEAD AMP C.B.A. (E, F) / CAPSTAN STATOR / AUDIO
CONTROL HEAD P.C.B. 
69
 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. OPERATIO N BLOCK DIAGRAM 
77
 10  EXPLODED VIEWS 
79
 10.1. MECHANISM (TOP) SECTION 
79
 10.2. MECHANISM (BOTTOM) SECTION  
80
 10.3. CASSETTE UP COMPARTMENT SECTION 
81
 10.4. CHASSIS FRAME AND CASING PARTS SECTION 
82
 10.5. PACKING PARTS AND ACCESSORIES SECTION  
83
 11  REPLACEMENT PARTS LISTS 
84
 11.1. REPLACEMENT NOTES 
84
 11.2. MECHANICAL REPLACEMENT PARTS LIST 
86
 11.3. ELECTRICAL REPLACEMENT PARTS LIST 
87
CONTENTS
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2
PVQ-V200 / PV-V4020 / VHQ-400 / VHQ-40M / PV-V4520 / PV-V4540