Integrated Motor Control Board (Imcb); Light Engine - Christie D4K35 Service Manual

Section 5: Parts and Module Replacement

5.9.7 Integrated Motor Control Board (IMCB)

The IMCB is held in place by a single thumbscrew and is
easily accessible within the lamp compartment.
(Estimated Replacement Time: 16 minutes + 10 minute
calibration)
1. Open the lamp door. Refer to
2. Remove the lamp. Refer to
3. Disconnect the nine harnesses from the IMCB.
4. Loosen the thumbscrew securing the IMCB.
(Figure 5-40)
5. Remove the IMCB.

5.10 Light Engine

The light engine can be removed as an assembly with the
LAD fan assembly, liquid cooling assembly, snood and LEQD
still attached.
(Estimated Replacement Time: 25 minutes + 60 minute calibration)
1. Remove the front top lid. Refer to
2. Remove the high security lid. Refer to
Lid.
3. Remove the PIB3G/ICP cover.
4. Remove the projection lens. Refer to the D4K35 User
Manual (P/N: 020-100773-xx).
5. Disconnect the two coolant hoses from the quick disconnects.
Then loosen the thumbscrew located on the bracket next to
the disconnects. (Figure 5-41)
6. Disconnect the temperature and LAD fan connections from
the EVB (P39, P40).
7. Disconnect the LEQD from the Backplane.
8. Secure the LEQD to the light engine handle by tightening the
thumbscrew and the two clips.
9. Remove the light engine air filter cover and air filter to access the service door in the fan pack assembly.
The service door provides an easy way of accessing the bottom captive screw on the light engine using the
hex driver tool provided with the projector. (Figure 5-12 Light Engine Air Filter Cover)
10. Loosen the thumbscrew securing the cooling duct, and carefully remove the cooling duct.
5-26
5.4.8 Lamp Door.
5.12.5 Lamp Replacement.
5.4.2 Front Top Lid.
5.4.3 High Security
Figure 5-40 Remove IMCB
Figure 5-41 Liquid Cooling Quick
Disconnects
D4K35 Service Manual
020-100817-01 Rev. 1 (04-2012)