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fixture either clockwise or counterclockwise so that the envelope
is at maximum.
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.
6.3. ELECTRICAL ADJUSTMENT
6.3.1. 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).
6.3.2. 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. NTSC Video Pattern Generator
3. Plastic Tip Driver and Non-Metal Driver
4. Isolation Transformer (Variable)
5. VHS Alignment Tape (VFMS0003H6)
6. Blank Tape
7. TV monitor
Fig. M8
52
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