Panasonic PVQ-V200 Service Manual page 52

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. Isolation Transformer (Variable)
3. VHS Alignment Tape (VFMS0003H6)
4. TV monitor
6.3.3. HOW TO READ THE ADJUSTMENT PROCEDURES
Fig. M8
Fig. E1