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Information: 1) Use the PV-DAC13 adapter/charger to power VDR-M70PP/M50PP for trouble diagnosis. 2) The trouble diagnosis table was prepared presupposing that the circuit boards have been normally attached and connected. Therefore, make sure beforehand that the circuit boards are correctly connected, that connectors and cables are not damaged, and that the status of their connections is correct.

Prohibition:
During trouble diagnosis, never look directly into the objective lens of optical pickup block in disc drive unit, and take great care that the reflected laser beam does not enter your eye.