1-6 (No.MB303)
3.4
Removing the I/O board
(See Fig.4)
• Prior to performing the following procedures, remove the top
cover and rear panel.
(1) From the top side of the main body, remove the two plastic
rivets in the direction of the arrow 1, and remove the stop-
per boards in the direction of the arrow 2.
(2) Cut off the tie bands bundling the wires.
(3) Disconnect the wire from the connector
CN722
on the cen-
ter board.
(4) Disconnect the wire from the connector
CN714
on the front
board (L).
(5) Disconnect the wire from the connector
CN717
on the sur-
round back board.
(6) Disconnect the wire from the connector
CN719
on the front
board (R).
(7) Disconnect the wire from the connector
CN723
on the main
board.
(8) Disconnect the I/O board from the connectors (
CN205
,
CN361
,
CN381
and
CN501
) in an upward direction.
Fig.4
1
2
2
CN381
CN205
CN501
Plastic rivet
Plastic
rivet
Stopper
board
Stopper board
Tie
band
Center board
Front board(L)
Surround back board
Front
board(R)
CN719
CN717
CN714
CN722
CN723
Main
board
I/O board
1
CN361
Tie
bands
