Panasonic DVD-XV10E, Service Manual

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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.
10.4.1.3. 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.
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