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Load tray without inserting disc.
Does Tray operate normally?
Does Pick-up move to inside?
lens move up/down?
After eject tray, Insert CD-ROM Disc and
continuously and the drive
After eject tray, Insert Blank CD-R or RW
Disc and check rotation.
continuously and the drive
recognize the disc?
After eject the tray, Insert DVD disc
56
System Check.
YES
YES
YES
Does Pickup
YES
Does Laser turn on?
YES
check rotation.
YES
Does Disc rotate
recognize the disc?
YES
YES
Does Disc rotate
YES
and check rotation.
YES
Does Disc rotate
continuously and drive
recognize the disc?
YES
OK
NO
Go to "Tray operating is abnormal"
NO
Go to "Sled operating is abnormal"
NO
Go to "Focus Actuator operating is
abnormal".
NO
Go to "Laser operating is abnormal".
NO
Go to "Recognition fail Case1
(CD-ROM Disc)".
NO
Go to "Recognition fail Case2
(Blank CD-R/RW)".
NO
Go to "Recognition fail Case 3
(DVD Disc)".
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