8.1 Optical Pickup Breakdown Diagnosis
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As a new feature, this unit has an "optical pick-up problem diagnosis function" and "a tilt adjustment
confirmation function" built in. Use the following procedure to efficiently determine the problem and
adjusttilt.If "NO DISC" is displayed, before exchanging the optical pick-up, carry out problem
diagnosis first. If the present laser driving current is over 55, the optical pick-up may need to be
exchanged.