Replacing The Fan; Rear Fan - Sony HDC-900 Maintenance Manual

3-4. Replacing the Fan

c
If the fan is out of order, the inside temperature of the unit
will rise. Touching the inside in this state may cause a
burn. When replacing the fan, allow a few minutes after
powering off until the inside cools off.

3-4-1. Rear Fan

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When you need to replace a fan, clean it beforehand on the
parts of take in/take out for air. (Refer to 2-2 of the Instal-
lation and Maintenance Manual.)
1. Remove the AC/DC converter. (Refer to Section 3-3.)
2. Remove the four screws, and remove the top chassis
cover assembly.
Top chassis cover assembly
Precision
P2.6 x 5
HDC-900/950 MM
Precision P2.6 x 5
3. Remove the two screws, supporting the fan assembly
from the bottom side. Disconnect the harness connec-
tor from the connector (R FAN) of MB-882 board.
MB-882 board
CN26 (R FAN)
Harness
connector
4. Disconnect the harness connector from the connector
(CN2) of RE-188 board.
5. Remove the two screws, and remove the fan.
Harness connector
Screw (damper)
CN2
6. Install the new fan in the reverse order of steps 1 to 5.
[Note|at|installation]
Install the fan to the bracket with care so that the label
faces the bracket as shown in the figure for step 3.
3-4. Replacing the Fan
Precision
P2.6 x 5
Label
Fan assembly
Screw (damper)
Fan
RE-188 board
3-7 (E)