Sony BVW-55 Maintenance Manual page 323

Replacement
1. Fan motor removal
(1) Remove the two screws, then remove the fan
bracket.
(2) Disconnect the harness connector of the fan
motor connected to CN3 on the CP-317
board, then remove the fan motor.
2. Fan motor installation
(1) Wipe off dust on the ventilation hole with a
soft cloth or equivalent.
(2) Place a new fan motor on the rear panel
positioing as shown in the figure. Ensure that
the outer surfaces of the fan motor contact
with four bosses on the panel as shown.
(3) Fit the motor bracket to the fan motor as
shown in the figure, and tighten them with
two screws.
(4) Connect the harness connector of the fan
motor to CN3 on the CP-317 board.
3. Connector panel installation
Install the connector panel to the unit.
(Refer to the maintenance manual Part 1, Section
1-6.)
4. Operation check
(1) Turn on the power.
(2) Check that the fan motor rotates, and blows
off the air from the ventilation hole of the
unit.
BVW-55 P2
CN3
CP-317 board
Connector
panel
B3 x 14
B3 x 14
Ventilation hole
4-15. Fan Motor Replacement
Character
printed side
Fan bracket
Fan motor
<At rear side of connector pamel>
Boss
Boss
Boss
Attach a motor in this place.
Boss
4-51