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5.6.2 Light Engine Fan Pack (4 fans)
The light engine fan pack (Figure 5-16) is located in the
engine compartment behind the access panel frame. A hole in
the fan pack allows the bottom screw on the light engine
assembly to be loosened without removing the fan pack. It
also allows access to the horizontal green convergence screw.
The fan pack can also be mounted to the side of the projector
once removed.
NOTE: Do not run the projector with the Light Engine Fan
Pack removed. This will cause overheating of the SFB
FPGA's.
(Estimated Replacement Time: 16 minutes)
1. Remove the front top lid. Refer to
2. Remove the high security lid. Refer to
Security Lid.
3. Remove the PIB3G/ICP cover. Refer to
ICP Cover.
4. Remove the light engine air filter cover and filter. Refer
to
5.5.1 Light Engine Air Filter.
5. Remove the access panel frame. Refer to
6. Remove the two screws from the side of the fan pack. (Figure 5-17)
7. Loosen the thumbscrew accessible from the inside of the light engine
compartment near the bottom left.
8. From within the light engine compartment (upper frame) unlatch the
bolt screw on the frame and pull the fan pack out.
9. Disconnect the four fan harnesses from their inline connectors.
10. Replace the fan(s) required by removing the rubber isolators from each
fan. (Figure 5-17)
NOTE: Install a fan with the label side facing into the projector,.
D4K35 Service Manual
020-100817-01 Rev. 1 (04-2012)
5.4.2 Front Top Lid.
5.4.3 High
5.4.10 PIB3G/
5.4.11 Access Panel Frame.
Section 5: Parts and Module Replacement
Figure 5-16 Light Engine Fan Pack
Figure 5-17 Remove Light
Engine Fan Pack
5-13
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