Sony DNW-A100 Maintenance Manual page 394

5-32-9. MB-648 Board
12. Remove the two screws and remove the filter
housing.
13. Disconnect the flat cable from the connector
(CN145) on the MB-648 board.
14. Remove the power supply block.
(Refer to Section 5-30.)
15. Remove the connector panel.
(Refer to Section 2-3-3 in Maintenance
Manual Part 1.)
16. Disconnect the harnesses from the following
connectors on the MB-648 board.
. Power block harness:
CN153
. Fan motor (rear) harness:
CN160
. Connector panel harnesses:
CN170, CN171, CN172, CN193, CN195,
CN401, and CN402
. Option board (CP-308) harnesses:
CN196 and CN197
. Option board (CP-300) harnesses:
CN403 and CN404
17. Disconnect the harnesses from the connectors
CN191, CN192, and CN194 on the CP-278
and CP-301 boards.
(Refer to Sections 5-32-2 and 5-32-5.)
5-210
Screw (P3 x 6)
Filter housing
Screw (P3 x 6)
CN404 CN196
CN403
CN193
MB-648 board
CP-278 board CN192
CN191
Connector panel
CN145
CN402
CN153
CN401 CN172
CN195 CN171
CN197
CN194 CP-301 board
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
CN160
CN170