1-12 (No.49787B)
3.2.10 Removing the mechanism board / pickup assembly
(1) Remove the three screws
N
fixing the mechanism board
on the back of the traverse mechanism.
(2) Disconnect the two feed motor wires (blue and white), two
spindle motor wires (red and black) and two tray motor
wires (brown and black) that are soldered to the mecha-
nism board.
(3) Short-circuit the grounding point on the mechanism board.
Move the mechanism board without disconnecting the wire
from connector
CN501
. Solder the short circuit round on
the pickup assembly.
(4) Disconnect the wire from connector
CN501
on the mecha-
nism board.
(5) Remove the screw
O
to remove the feed motor assembly.
(6) Remove the screw
P
to remove the shaft holder retaining
the feed slide shaft assembly and the middle gear.
(7) Move the middle gear.
(8) Move the pickup assembly upward from the gear section
and remove it from the traverse chassis assembly.
(9) Remove the two screws
Q
to remove the rack arm.
(10) Pull out the feed slide shaft assembly.
(11) Remove the screw
R
to remove the spring.
CAUTION:
To reattach the mechanism board, connect the pickup flexible
wire to connector
CN501
on the mechanism board before un-
soldering the short circuit round. Subsequently, fix the mecha-
nism board using screws.
Fig.13
Fig.14
Fig.15
Brown and black
N
N
Red and black
CN501
Short circuit round
(Grounding point)
Pickup
Flexible wire
Grounding point
Pickup assembly
Shaft holder
Feed slide
shaft assembly
Middle gear
Feed motor
P
O
Chassis
Remove gears and
motors only when
required.
Rack arm
Pull out
R
Q
Spring
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