2-19
BRC-300/300P
BRU-300/300P
SW-1204 board
CN chassis assembly
Solders
Solders
PSW2.6
x
6
SE plate
PSW2.6
x
6
PSW2.6
x
6
SE-758 board
4.
Remove the two screws, and remove the SE plate.
5.
Remove the two screws, and remove the SE-758 board
from the SE plate.
Installation
6.
Reinstall the SE-758 board in the reverse order from
steps 2 to 5.
7.
Reattach the side rear assembly and side front assem-
bly. (Refer to step 4 in Section 1-3-1.)
2-2-10. SW-1204 Board
n
As the mounted SW-1204 board is not a specific service
part, it must be replaced together with the whole CN
chassis assembly.
(The CN chassis assembly includes the DC-130 board.)
Removing
1.
Remove the base plate. (Refer to Section 1-3-4.)
2.
Remove the SY-314 board.
(Refer to steps 2 to 4 in Section 2-2-11.)
3.
Remove the blank panel. (Refer to Section 1-3-5.)
4.
Remove the EXP chassis assembly and CC-91 board.
(Refer to steps 4 to 6 in Section 2-2-1.)
5.
Remove the CN chassis assembly.
(Refer to steps 5 and 6 in Section 2-1-4.)
6.
Remove the DC-130 board.
(Refer to step 6 in Section 2-2-3.)
7.
Remove the two screws.
8.
Unsolder the pins of the external connectors, and
remove the SW-1204 board from the CN chassis
assembly.