1-12 (No.49793)
2.1.11 Removing the main board assembly
(See Fig.23~25)
• Prior to performing the following procedure, remove the top
chassis.
(1) Disconnect the flexible harness from connector CN701, the
card wire from CN702 on the main board and the harness
from CN830 and CN831 respectively.
(2) Remove the three screws
Q
attaching the main board as-
sembly to the bottom cover on the upper side of the body.
(3) Remove the screw
R
attaching the rear panel and the bot-
tom cover on the back of the body. Move the main board in
the direction of the arrow and release the two joints
f
. (At
this point, the main board can be removed with the rear
panel and the rear heat sink.)
(4) Remove the three screws
S
attaching the rear heat sink on
the back of the body.
(5) Remove the two screws
T
and the screw
U
attaching the
rear panel. Now, the main board assembly will be removed.
ATTENTION:
When reassembling, correctly engage the switch S651 and
S652 on the main board and the right gear with the part
b
of
the operation assembly (Refer to Fig.24).
Fig.23
Fig.24
Fig.25
Q
CN830
CN831
CN701
Q
Joint f
Joint f
CN702
Front panel assembly
S652
S651
Main board
b
T
U
S
R
S
T
Rear heat sink
Rear panel
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