Dvd-Optical Pick-Up Self-Diagnosis And Replacement; Procedure; Optical Pickup Breakdown Diagnosis - Panasonic SA-HT870E Service Manual

14 DVD-Optical Pick-up Self-Diagnosis and Replacement

Procedure

14.1. Optical Pickup Breakdown Diagnosis

The optical pickup 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 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 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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SA-HT870E / SA-HT870EB / SA-HT870EG