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MAIN SECTION
VIDEO CASSETTE RECORDER
Sec. 1: Main Section
q Specifications
q Adjustment Procedures
q Schematic Diagrams and CBA's
q Exploded Views
q Mechanical and Electrical Parts Lists
TABLE OF CONTENTS
SPECIFICATIONS ........................................................................................................................................ 1-1-1
IMPORTANT SAFETY PRECAUTIONS ........................................................................................................ 1-2-1
STANDARD NOTES FOR SERVICING ......................................................................................................... 1-3-1
FUNCTION INDICATOR SYMBOLS ............................................................................................................. 1-4-1
PREPARATION FOR SERVICING ................................................................................................................. 1-5-1
OPERATING CONTROLS AND FUNCTIONS .............................................................................................. 1-6-1
SIGNAL NAME ABBREVIATIONS.................................................................................................................. 1-7-1
CABINET DISASSEMBLY INSTRUCTIONS .................................................................................................. 1-8-1
ELECTRICAL ADJUSTMENT INSTRUCTIONS............................................................................................. 1-9-1
ADJUSTMENT POINTS AND TEST POINTS................................................................................................ 1-9-2
BLOCK DIAGRAMS ....................................................................................................................................... 1-10-1
SCHEMATIC DIAGRAMS / CBA'S AND TEST POINTS .................................................................................1-11-1
MAIN 1/4 SCHEMATIC DIAGRAM PARTS LOCATION GUIDE .................................................................1-11-2
MAIN 1/4 SCHEMATIC DIAGRAM .............................................................................................................1-11-3
MAIN 2/4 SCHEMATIC DIAGRAM .............................................................................................................1-11-6
MAIN 2/4 SCHEMATIC DIAGRAM PARTS LOCATION GUIDE .................................................................1-11-8
MAIN 3/4 SCHEMATIC DIAGRAM..............................................................................................................1-11-9
MAIN 3/4 SCHEMATIC DIAGRAM PARTS LOCATION GUIDE .................................................................1-11-11
MAIN 4/4 SCHEMATIC DIAGRAM .............................................................................................................1-11-12
FUNCTION SCHEMATIC DIAGRAM .........................................................................................................1-11-12
MAIN 4/4 SCHEMATIC DIAGRAM PARTS LOCATION GUIDE .................................................................1-11-14
MAIN CBA TOP VIEW ................................................................................................................................1-11-15
MAIN CBA BOTTOM VIEW ........................................................................................................................1-11-18
MAIN CBA PARTS LOCATION GUIDE .......................................................................................................1-11-21
FUNCTION CBA TOP VIEW / BOTTOM VIEW ..........................................................................................1-11-23
WAVEFORMS................................................................................................................................................. 1-12-1
WIRING DIAGRAM......................................................................................................................................... 1-13-1
SYSTEM CONTROL TIMING CHARTS ......................................................................................................... 1-14-1
IC PIN FUNCTION ......................................................................................................................................... 1-15-1
LEAD IDENTIFICATIONS............................................................................................................................... 1-16-1
ELECTRICAL PARTS LIST ............................................................................................................................ 1-17-1
EXPLODED VIEWS........................................................................................................................................ 1-18-1
SET MECHANICAL PARTS LIST ................................................................................................................... 1-19-1
H67T0CV
SPECIFICATIONS
Description Unit Minimum Nominal Maximum Remark
1. Video
1-1. Video Output (PB) Vp-p 0.8 1.0 1.2 SP Mode
1-2. Video Output (R/P) Vp-p 0.8 1.0 1.2
1-3. Video S/N Y (R/P) dB 40 45 SP Mode,
W/O Burst
1-4. Video Color S/N AM (R/P) dB 37 41 SP Mode
1-5. Video Color S/N PM (R/P) dB 30 36 SP Mode
1-6. Resolution (PB) Line 230 245 SP Mode
2. Servo
2-1. Jitter Low