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4-7-3.
CN-3372 Board
Note
• The CN-3372 board is installed to the front fan assembly and the rear fan assembly. Remove the fan assembly that
contains the CN-3372 board to be replaced.
• This figure shows the front fan assembly.
Preparation
1.
Refer to
"4-2. Flow
Chart".
Procedure
1.
Disconnect the four fan harnesses from the four connectors (CN1, CN2, CN3, and CN4) on the CN-3372 board.
2.
Remove the two screws to detach the wire holder and CN-3372 board.
CN4
(b)
PSW3 x 6
Note
• When installing , tighten the screws in the order of (a), (b).
• When installing, arrange the fan harness as shown in the figure.
3.
Install the removed parts by reversing the steps of removal.
PWS-4400
(a)
PSW3 x 6
CN-3372 board
CN3
CN1
CN2
Wire holder
4-28
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