4-3
System Check.
Go to “Tray operating is abnormal”
Load tray without inserting disc.
NO
Does Tray operate normally?
Does Pick-up move to inside?
Does Laser turn on?
After eject tray, Insert CD-ROM Disc
and check rotation.
Does Disc rotate
continuously and the drive recognize
the disc?
After eject the tray, Insert DVD Disc and
check rotation.
After eject the tray, Insert DVD+R/RW Disc
and check rotation.
Does Disc rotate
continuously and the drive recognize the
disc?
Does Disc rotate
continuously and the drive recognize the
disc?
Go to “Sled operating is abnormal”
Go to “Laser operating is
abnormal”
Go to “Recognition fail Case1
(CD-ROM Disc)”
Go to :Recognition fail Case2
(DVD Disc)”
Go to :Recognition fail Case3
(Blank DVD+R/RW)”
NO
NO
YES
YES
YES
NO
NO
NO
YES
YES
YES
YES
YES
YES
Does Pickup lens move
up/down?
Go to “Focus Actuator operating is
abnormal”
NO
YES
OK
Summary of Contents for DR165
Page 57: ...3 64 3 65 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP SIDE ...
Page 58: ...3 66 3 67 2 MAIN P C BOARD BOTTOM SIDE ...
Page 59: ...3 68 3 69 3 I O P C BOARD TOP VIEW BOTTOM VIEW 4 JUNCTION P C BOARD TOP VIEW BOTTOM VIEW ...
Page 77: ...4 17 2 DISC SPECIFICATION 3 DISC MATERIALS 1 DVD ROM Single Layer Dual Layer ...
Page 102: ......
Page 103: ...4 42 4 43 CIRCUIT DIAGRAMS 1 DSP CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Page 104: ...4 44 4 45 2 RF CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Page 105: ...4 46 4 47 3 DRIVE CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Page 107: ...4 50 4 51 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...