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• Confirm that the mark of the gear matches with the
triangle mark on the reverse side of the tray in the tray
close status. (The gear is rotated with the slider locks.)
(Refer to Fig. B.)
Gear (4)
Gear (4)
Tray rack gear
Marking
Tray (3)
Gear
Fig. 2-1-18
2-1-5. Rear Panel
1. Remove the bush (1).
2. Remove four screws (2), then remove the rear panel
(3).
Bush (1)
Fig. 2-1-19
Fig. A
Triangle mark
Position of the line
Pickup mechanism
assembly
Slider
Triangle mark
Fig. B
Screws (2)
Rear panel (3)
2-2. PC Board Replacement
2-2-1. Main PC Board
Note:
• Before removing the main PC board (4), be sure to
short-circuit the laser diode output land.
After replacing, open the land as it was after inserting
the flexible cables (1).
1. Remove the top cover. (Refer to item 2-1-1.)
2. Eject the tray. (Refer to item 2-1-3.)
3. Remove six flexible cables (1) and remove one
connector (2).
4. Remove four screws (3), then remove the main PC
board (4).
Twist more than 9 times.
Flexible
cable (1)
Tray
Pickup head
Laser diode
output lands
Pickup A
Fig. 2-1-20
Flexible
cables (1)
Connector (2)
Screws (3)
Flexible
cables (1)
Main
Flexible
PC board (4)
cable (1)
Pickup head
Laser diode
output lands
Pickup B
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