Replacing The Light Engine - Christie Cinema 4K-RGB CP4315-RGB Service Manual

5. Replace the light dump.
6. To re-install, follow these steps in reverse order.

Replacing the light engine

The light engine modulates incoming light from the light source to create an image, which is projected
to the screen.
Always wear an electrostatic discharge (ESD) strap and use insulated tools when replacing the light
engine.
1. Remove the top cover (on page 39).
2. Remove the light engine fan pack (on page 60).
3. Remove the light dump (on page 70).
4. Disconnect the three mini-SAS cables from the card cage.
5. Disconnect the two coolant hoses to the light engine.
6. Disconnect the J89 shutter harness from the housekeeping board (HKBB).
7. Loosen the three captive screws securing the light engine to the projector base.
Cinema 4K-RGB Service Guide–CP4315-RGB, CP4320-RGB, CP4325-RGB, CP4330-RGB
020-102713-03 Rev. 1 (11-2019)
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