6.1 Self-diagnosis
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The optical pick-up 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 pick-up when "NO
DISC" is displayed. As a guideline, you should replace the optical pick-up when the value of the
laser drive current is more than 70(DVD), 55(CD).
Note:
Press the Standby/on button to turn on the power, and check the value within three minutes before
the unit warms up. (Otherwise, the unit will be incorrect.)
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