Sony DNW-A100 Maintenance Manual page 279

6. Attach the Fan Motor (MD)
(1) Put the hook of the fan motor bracket to the
notch of the chassis.
(2) Attach the fan motor (MD) with the screw.
(3) Connect the harness of the fan motor (MD) to
the connector (CN161).
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
5-13-3. Fan Motor (HDD) and Fan Motor (MD) Replacement
Screw
(B3 x 6)
Fan motor (MD)
Harness
Attach the Fan Motor (MD)
Notch of chassis
Hook
Connector
5-95