9 SELF-DIAGNOSIS FUNCTION AND SERVICE MODES
9.1.
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.)
DVD-S2EE / DVD-S2GC / DVD-S2GCA / DVD-S2GCS / DVD-S2GCU / DVD-S2PL / DVD-S2PLA
21