Panasonic DVD-S75EG, Service Manual

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2. Repeat adjusting two or three times to find the optimum point.
3. Finish the procedure with tilt adjustment.
Jitter value depends on the model:
1. If the jitter value changes like B, the optimum point is easy to find.
2. If the jitter value changes like A, set the optimum point near the middle.
12.4.1.3. 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.
12.4.1.4. Procedure for screw lock
1. After adjustment, remove top cover, 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
cover.