Hitachi DZ-MV580A Service Manual page 34

Troubleshooting > Problem Guide
Symptom
Disc cover cannot be closed.
Operating sound is heard
cyclically.
DZ-MV580A/MV550A
vibrates.
Slight sound is heard from
DZ-MV580A/MV550A.
Is disc correctly loaded?
Remove the disc and then reload it.
Is round DVD holder being used?
A bare disc that is not in round DVD holder, or is in a square cartridge or caddy,
cannot be used. Put disc in the round DVD holder.
Is round DVD holder inserted in the proper orientation?
Remove the round DVD holder, make sure of the orientation, and then reinsert
it.
Is DZ-MV580A/MV550A turned on?
Connect the AC adapter/charger or full charged battery and set the power switch
to a position other than "POWER OFF".
This sound is heard because the disc is cyclically operated; it does not indicate a
fault.
This does not indicate a fault.
These vibrations or sound are generated when the disc drive unit is operating.
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Cause and Correction