Sony HDCU-900 - Manual (Page 40)

2-4 (E)
HDCU-900 MM
Replacing the upper fan
1.
Disconnect the harness from the two harness clamps.
2. Disconnect the connector (CN23) from the PS-587
board.
3. Remove the four screws and remove the DC fan.
4. Attach a new DC fan in reverse order of steps 1 to 3.
n
Attach the DC fan in the direction shown below.
Replacing the lower fan
1.
Disconnect the harness from the harness clamp.
2. Disconnect the connector (CN24) from the PS-587
board.
3. Remove the four screws and remove the DC fan.
4. Attach a new DC fan in reverse order of steps 1 to 3.
n
Attach the DC fan in the direction shown below.
2-4. Replacing the DC Fan (Rear Panel)
DC fan
Harness clamps
B2.6 x 14
B2.6 x 14
PS-587 board CN23
Upper fan
Lower fan
B2.6 x 14
B2.6 x 14
PS-587 board CN24
DC fan
Harness clamp
Upper fan
Lower fan