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10. Self-Diagnosis Function and Service Modes
10.1. Optical Pickup Breakdown Diagnosis
The optical pickup self-diagnosis function and tilt adjustment check function have been
included in this unit. When repairing, use the following procedure for effective Self-diagnosis
and tilt adjustment.Be sure to use the self-diagnosis functionbefore replacing the optical pickup
when "NO DISC" is displayed. As a guideline, you should replace the optical pickup when the
value of the laser drive current is more than 55.
Note:
Press the power button to turn on the power, and check the value within three minutes before
the unit warms up. (Otherwise, the result will be incorrect.)
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