12.4.3. Check After Adjustment
Replay test discs or other commercial discs in order to confirm that no picture deterioration or
sound skipping is detected in the inner, middle, and outer tracks. After this, fasten each
adjustment screw securely using a screw lock.
12.4.4. Procedure for Screw Lock
1. After adjustment, remove the top cover, clamper base, disc tray
and then traverse unit.
2. Place the traverse unit upside down, and fasten the adjustment
screws with a screw lock. <Fig. 12.2>
3. After fastening the screws, assemble in order of the traverse unit,
disc tray, clamper base, and then top cover.
Fig. 12-2
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