Board And Sw-120 Board - Sony BRC-300 Service Manual

2-4-3. MC-66 Board and SW-120 Board
Removing
1. Remove the cover panel.
(Refer to step 1 in Section 1-4-1.)
2. Remove the slot assembly.
(Refer to steps 2 and 3 in Section 2-4-1.)
3. Remove the optical transceiver SAS-101A as shown in
the figure.
4. Remove the twelve screws, and remove the rear panel.
5. Set the AC inlet to the outside of the chassis.
SAS-101A
AC inlet
K3 x 8
2-24
B3 x 5
SAS-101A
B3 x 8
B3 x 5
B3 x 8
B3 x 5
Rear panel
6. Disconnect the harnesses from the connectors
(CN3503, CN4001) on the MC-66 board.
7. Remove the five screws, and remove the MC-66
board.
8. Disconnect the flexible flat cable from the connector
CN4951 on the MC-66 board.
9. Remove the screw, and remove the SW-1207 board.
10. Remove the screw, and remove the DIP SW holder.
DIP SW holder
M3 x 6
MC-66 board
CN4001
CN3503
Installation
11. Reinstall the SW-1207 board to the MC-66 board in
the reverse order from steps 8 to 10.
12. Reinstall the MC-66 board in the reverse order from
steps 3 to 7.
13. Reattach the cover panel.
(Refer to step 2 in Section 1-4-1.)
SW-1207 board
PSW2 x 6
M3 x 6
CN4951
PSW2 x 6
BRC-300/300P
BRU-300/300P