fixture either clockwise or counterclockwise so that the envelope
is at maximum.
Fig. M8
7. Tighten Black Screw (D).
8. To release from Tracking center mode, press PLAY or STOP
button.
Note:
Old type of H-Position Adjustment Driver (VFK0136) can be used for
this adjustment.
7.3. ELECTRICAL ADJUSTMENT
7.3.1. EVR (Electronic Variable Resister) ADJUSTMENT WITH THE REMOTE
CONTROL
This unit has electronic technology using I2C Bus concept.The PG SHIFTER ADJUSTMENT is
adjusted by using " On Screen Display " and the remote control instead of adjusting mechanical
controls (VR).
7.3.2. TEST EQUIPMENT
To do all of these electrical adjustments, the following equipment is required.
1. Dual-Trace Oscilloscope
Voltage Range: 0.001 V to 50 V/Div.
Frequency Range: DC to 50 MHz
Probes: 10:1, 1:1
2. Isolation Transformer (Variable)
3. VHS Alignment Tape (VFMS0003H6)
4. TV monitor
7.3.3. HOW TO READ THE ADJUSTMENT PROCEDURES
Fig.E1
53
Содержание Omnivision PV-V4621
Страница 6: ...Fig 1 3 Fig 1 4 Fig 1 5 6 ...
Страница 26: ...6 2 2 Inner Parts Location Fig J1 1 26 ...
Страница 27: ...6 2 3 EJECT Position Confirmation Fig J1 2 27 ...
Страница 28: ...6 2 4 Grounding Plate Unit Full Erase Head and Cylinder Unit Fig J2 1 6 2 4 1 Reassembly Notes 28 ...
Страница 58: ...11 2 MECHANISM BOTTOM SECTION 58 ...
Страница 59: ...11 3 CASSETTE UP COMPARTMENT SECTION 59 ...
Страница 60: ...11 4 CHASSIS FRAME AND CASING PARTS SECTION 60 ...
Страница 61: ...11 5 PACKING PARTS AND ACCESSORIES SECTION 61 ...