Sony CineAlta HDCAM HDW-F900R, Maintenance Manual, Page: 251 / 546

6-19
HDW-F900R/V1 (E)
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.
FFC
guard
Flexible
card wire
PSW2 x 5
PSW2 x 5
harnesses
Two dowels
D.C. fan ,
Rear rail bracket
D.C. fan
D.C. fan harnesses
Clamp
P1.4 x 3.5
A
(See the above figure.)
Rear rail bracket
D.C. fan
Side without
label
Direction of the D.C. fan when
viewed from the direction of arrow A.
MB-1096 board
CN201
CN116
CN1 CN2
CN117
Precision
screws
P2 x 3
Coaxial cable