Light Dump - Christie Cinema 4K-RGB Service Manual

9. Vertically, pull out the integrator assembly and place on a flat surface.
Christie recommends covering the LOS opening with a lint-free cloth to keep dust and other
contaminants out.
10. Remove the four screws securing the coupling elbow.
11. Install the new coupling elbow on the integrator assembly.
12. To re-install these components (except the top and electronics-side covers), follow these steps
in reverse order.
Torque all M4 screws to 15 in-lb and all M3 screws to 8 in-lb. Ensure the card cage and top
cover locking pins are engaged when re-installing.
The optical access door must be removed to make integrator rod and fold mirror adjustments
and the electronics-side cover must be removed for making LOS coupling mirror adjustments.
For more information, refer to the Cinema 4K-RGB User Guide (P/N: 020-102712-XX).
The electronics-side cover must be removed for making LOS coupling mirror adjustments. For
more information, refer to Aligning the image.
13. After re-installing the components, perform these tasks:
a) Torque all M4 screws to 15 in-lb and all M3 screws to 8 in-lb.
b) Make sure the card cage and top cover locking pins are engaged when re-installing.
c) Perform a LiteLOC calibration.

Light dump

The light dump absorbs any off-state light from the light engine.
1. Remove the top cover (on page 38).
2. Remove the light engine fan pack (on page 60).
Cinema 4K-RGB Service Guide–CP4315-RGB, CP4320-RGB, CP4325-RGB, CP4330-RGB
020-102713-06 Rev. 1 (08-2022)
Copyright © 2022 Christie Digital Systems USA, Inc. All rights reserved.
If printed, please recycle this document after use.
Optics
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