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Circuit Description - Kenwood DV-303 Service Manual

Dvd vcd cd player

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DV-303

CIRCUIT DESCRIPTION

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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