Caution
1. Do not give a considerable shock to the optical pickup unit as it
has an extremely high-precise structure.
2. Do not touch the lens in the optical pickup unit.
2. The FFC is fixed as shown below.
8. SELF-DIAGNOSIS FUNCTION AND SERVICE
MODES
8.1. Optical Pickup Breakdown Diagnosis
The optical pickup self-diagnosis function has been included in this unit. When repairing, use
the following procedure for effective Self-diagnosis. Be sure to use the self-diagnosis function
before replacing the TRV Unit when "NO DISC" is displayed. As a guideline, you should replace
the TRV Unit 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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