Replacing The Fan - Sony BCU-100 Maintenance Manual

Installation
1. Insert a new power supply unit from the rear panel side
until the lock lever locks (until the locking sound is
heard).

1-3-2. Replacing the Fan

n
Fan is a periodic replacement part.
Replacing the fan every four years is recommended.
Replacing part: DC fan (40 square)
! 1-787-737-11
Part number:
w
Be sure to unplug the power supply cord from the outlet
before starting the replacement work.
1 1 , 2 1 2 2 , and 3 2
1. For fans 1 1 2
Removal
1. Remove the top panel. (Refer to Section 1-2.)
2. Remove the three screws (PSW3 x 6), and remove fan
holder (1).
3. Remove the fan that you want to replace, and open the
wire holder to disconnect the harnesses of the fan from
the following connector.
Fan 1 : Connector CN6111
Fan 2 : Connector CN6106
Fan 3 : Connector CN6538
CN6111
1
2
CN6106
3
CN6538 PSW3 x 6
PSW3 x 6
Wire holder
Duct
BCU-100 MM
3 3 3
3
PSW3 x 6
Fan holder (1)
Fan 3
Fan 2
Wire holder
Fan 1
Wire holder
Figure 1
Installation
1. Install a new fan by aligning it with the fan guides
(three positions) on the duct (black).
Fan guides
Fan guide
2. Install fan holder (1) with the three screws (PSW3 x
6).
3. Connect the harness of the fan.
m
. Install the fan so that the harness of the fan should
be positioned as shown in Figure 2.
. Route each harness as shown in Figure 1.
4. Install the top panel.
5. After replacing the fan, reset the Hours Meter of the
replaced fan and check the operation. (For resetting the
Hours Meter, refer to "FAN Replacement" in "1-9-4.
Diag Mode (Offline Defect Diagnosis Function)", and
for checking the operation, refer to "Basic Check".)
Harness position
Figure 2
1-3 (E)