Sony DVW-790WS/790WSP User Manual

3-24

DVW-790WS/709WS/707

DVW-790WSP/709WSP/707P P2V1

3-5. Replacing the DC Fans

1.

Open the inside panel.
n
If the optional DIF-75 board (BKDW-702)
has been installed, disconnect the coaxial
cable from the connector (CN2) on the

DIF-75 board.  And then pull the DIF-75
board out.

2.

Remove the three screws (P 2

x4.5) to

remove the spacer.

3.

Remove the two screws (P 2.6

x16) to

remove the DC fan, cushion, and nut plate.
n
The cushion is not used in the following
serial numbers and higher.
DVW-707 :

10031 and higher

DVW-707P :

40071 and higher

DVW-709WS : 10046 and higher

DVW-709WSP : 40121 and higher

DVW-790WS : 10036 and higher

DVW-790WSP : 40126 and higher

4.

Disconnect the harness from the connector

(CN54) on the MB-811 board.

5.

Reattach the DC fan by reversing the remov-

ing steps.

Standard tightening torque :

8 

x 10

_2

 N

.m {0.8 kgf.cm}

n
Take care that the harness does not touch the

fan’s blade and is not routed across the fan.

COPAL

F251R

Nut plate

DC fan

P 2.6

x

16

Cushion

Spacer

MB-811 board

CN54

P 2

x

4.5

Direction of the fan
when attached