Fan Replacement - Sony HDW-750 Maintenance Manual

6-9. Fan Replacement

6-9. Fan Replacement
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This unit has the two DC fans.
6-9-1. Replacing the Fan on the
Inside Panel Assembly
1. Open the inside panel assembly.
(Refer to Section 1-5.)
2. Disconnect the harness from the connector
(CN206) on the FP-121 board.
3. Remove the four screws and remove the fan
bracket. Then remove the D.C. fan.
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Depending on the time of production at the
factory, there are sets that use the different
shape of fan bracket and the different type of
screws.
4. Install the new D.C. fan by reversing the
steps of removal.
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. When installing the D.C. fan, plate the D.C.
fan in the direction as shown in Fig. 1.
. When installing the fan bracket, plate the
fan bracket in the direction as shown in
Fig. 2.
6-18
FP-121 board
(CN206)
A
(See Fig.1)
Difference of the shape
Fan bracket
Screws (damper)
P1.4 x 2.5
Fig.1 : Direction of the D.C. fan when viewed from the
direction of arrow A.
Fig.2 : Direction of the D.C. fan when viewed from the
direction of arrow B.
High
Fan bracket
Inside panel assembly
D.C. fan
Fan bracket
B
(See Fig.2)
Step small
screws
Fan bracket
B2 x 8
Frame
Low
HDW-750/750CE V1