Sony HDCU3300 HD, Maintenance Manual

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2-7 (E)
HDCU3300/MM (J, E)
Replacing the DC Fan of Power Block Assembly
(A10) (A-1768-444-A)
Use the following specified fan for replacement.
DC fan: 1-787-419-12
1. Turn off the power and disconnect the power cable
from the electrical outlet.
2. Remove the power block assembly (A10).
(Refer to Section 2-1-1.)
3. Remove the 10 screws to detach the cover.
4. Disconnect the harness from the connector CN8006 on
the RE-276 board.
5. Remove the two screws to detach the DC fan.
6. Install the DC fan by reversing steps 4 to 5.
n
Install the DC fan in the orientation shown in the
figure above.
Power block assembly (A10)
Cover
PSW3 x 6
PSW3 x 6 PSW3 x 6
PSW3 x 6
PSW3
x
30
RE-276 board
CN8006
DC fan
Diagram seen from
the direction of arrow A
The labeled side face
the front
A
DC fan
RE-276 board
Harness clamp Harness
30 mm
7. Take in the slack of the DC fan harness at the harness
clamp as shown in the figure.
8. Install the power block assembly (A10) by reversing
steps 1 to 3.