10.2.1 Important points in optical adjustment

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  1. Optical pickup unit

  2. Spindle motor unit

  3. Optical pickup peripheral parts (such as rail)

Notes

Adjustment is generally unnecessary after replacing other parts of the traverse unit. However, make adjustment if there is a noticeable degradation in picture quality. Optical adjustments cannot be made inside the optical pickup. Adjustment is generallyunnecessary after replacing the traverse unit.


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