Replacing The Fan In The Unit - Sony HDCAM HDW-F900R Maintenance Manual

6-9-2. Replacing the Fan in the Unit

1. Open the outside panel assembly. (Refer to Section 1-
4.)
2. Open the inside panel assembly. (Refer to Section 1-
5.)
3. Remove the DC-DC converter. (Refer to Section 6-8.)
4. Remove the DCP-43 board. (Refer to Section 1-7.)
5. Remove the DVP-41 board. (Refer to Section 1-7.)
6. Remove the CCM-45G board. (Refer to Section 6-17.)
7. Remove the PS-595 board. (Refer to Section 6-18.)
8. Remove the IF-794G/RX-54G board. (Refer to Section
6-19.)
9. Remove the connector box. (Refer to Section 1-6.)
10. Remove the one screw (precision P2 x 3) and remove
the FFC card.
11 Disconnect the harnesses and flexible card wire from
the connectors (CN116, CN117, CN201) on the MB-
1096 board.
n
Life of the flexible card wire will be significantly
shortened if it is folded. Be very careful not to fold the
flexible card wire.
12. Disconnect the coaxial cables from the connectors
(CN1, CN2) on the MB-1096 board.
13. Remove the three screws (PSW2 x 5), and remove the
D.C. fan and the rear rail bracket together as an
assembled part from the two unit frame dowels.
14. Remove the D.C. fan harness from the clamp attached
to the rear rail bracket.
15. Remove the two precision screws (P1.4 x 3.5), and
remove the D.C. fan from the rear rail bracket.
16. Install the new D.C. fan by reversing the steps of
removal.
n
When installing the D.C. fan, place the D.C. fan in the
orientation shown in the figure.
HDW-F900R/V1 (E)
CN116
CN201
CN117
CN2 CN1
MB-1096 board
Coaxial cable
PSW2 x 5
Clamp
Direction of the D.C. fan when
viewed from the direction of arrow A.
Side without
label
A
(See the above figure.)
P1.4 x 3.5
Two dowels
D.C. fan,
Rear rail bracket
PSW2 x 5
FFC
guard
harnesses
Precision
Flexible
screws
card wire
P2 x 3
D.C. fan
D.C. fan harnesses
Rear rail bracket
D.C. fan
6-19