Circuit Description - Kenwood DV-303 Service Manual

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1. Optical Pickup Self-Diagnosis and Replacement Procedure
The optical pickup self-diagnosis function and tilt adjustment check function have been newly added to this player. When
repairing, use the following procedure for effective Self-diagnosis and tilt adjustment.
Be sure to use the self-diagnosis function before 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 50.
Note
Press the power button to turn on the power, and check the value before the unit warms up (within three minutes).
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CIRCUIT DESCRIPTION

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