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B
DOES THE SLED
MOVE TO INNER SIDE
WHEN IT IS AT OUTER
POSITION?
Y
DO NOT PUT IN DISC AND
TRAY CLOSE.
Y
OPTICAL
LENS IS MOVING FOR
SEARCHING FOCUS?
Y
C
N
LIMIT SW SIGNAL
ON P4407 IS LOW?
Y
SLED SIGNAL IS OK?
Y
CHECK THE CABLE
CONNECTION WITH MECHA.
N
PROPER FOCUS
OUTPUTS TO MOTOR
DRIVER?
Y
PROPER F+&F-
OUTPUTS?
Y
CHECK CABLE CONNECTION
WITH PICK-UP HEAD.
- 3-3 -
N
CHECK THE MD
N
CHECK THE RELATED CIRCUIT OF
SLED AND MOTOR DRIVER IC (IC401)
N
CHECK FOCUS CONNECTION ON
ES8381 AND MOTOR DRIVER IC.
N
CHECK THE MOTOR DRIVER (IC401).
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