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11.3.1.3. CHECK AFTER ADJUSTMENT
Play test disc or any other disc to make sure there is no picture degradation in the inner, middle
and outer peripheries and no audio skipping. After adjustment is finished, lock each adjustment
screw in position using screw lock.
11.3.1.4. PROCEDURE FOR SCREW LOCK
1. After adjustment, remove top panel, tray, clamper base and
traverse unit in this sequence.
2. Lay the traverse unit upside down and fix adjustment screw with
screw lock.
3. After fixing, reassemble traverse unit, clamper base, tray and top
panel.
11.4. VCR ELECTRICAL ADJUSTMENT PROCEDURES
11.4.1. TEST EQUIPMENT
The following equipments are required for Electrical
Adjustments.
1. Dual-Trace Oscilloscope
- Voltage Range: 0.005-5V/div
- Frequency Range: DC-35MHz
- Probes: 10:1 / 1:1
2. Frequency Counter
- Frequency Range: 0-10MHz
- Probes: 1:1
3. Universal Counter
4. Digital Volt Meter (D.V.M.)
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