Hitachi DZ-MV580EAU Service Manual page 60

Troubleshooting > Trouble Diagnosis
Service
Symptom
position
Even if a normal -----
disc is inserted,
message "DISC
ACCESS"
continues to
appear, and the
disc is not
recognized.
Message "NO -----
DISC" appears
approx. 1 second
after a normal disc
is inserted.
Message "NO -----
DISC" appears
within 10 seconds
after a normal disc
is inserted.
Even when a disc -----
not protected is
inserted, message
"Write protected.
Check disc"
appears.
Even when a -----
formatted disc is
inserted, message
"Disc is not
formatted"
appears.
Check points Detail of check
-----
-----
-----
-----
-----
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Troubleshooting due to
---------- Replace disc drive unit.
---------- If the DRF-H/DRF circuit
board is not damaged or
its connection status is
normal, replace disc drive
unit.
---------- Replace disc drive unit.
---------- Replace disc drive unit.
----------
check results