Illumination Optics And Liquid Cooling Compartment; Cold Mirror - Christie CP4230 Service Manual

5.8

Illumination Optics and Liquid Cooling Compartment

5.8.1 Cold Mirror

the edges only. Fingerprints left on the surface can negatively impact a displayed image.
The cold mirror is the first bend in the optical path within the IOS. It's easy to access and simple to replace.
(Estimated Replacement Time: 30 minutes + 30 minute calibration)
1. Remove the front top lid. Refer to
5.4.2 Front Top Lid, on page
2. Remove the light sensor module.
Refer to 5.8.6 Light Sensor Module.
3. Loosen the two, 2.5mm screws
from the bottom tab securing the
cold mirror.
4. From the other two tabs, loosen one
2.5mm screw from each and
remove one 2.5mm screw from
each. This allows the tabs to be swung out of the way without fully removing them. (Figure 5-25
Compartment, on page 5-19)
5. Wearing the clean, lint free gloves provided in the service kit, carefully slide the cold mirror out.
6. When replacing the cold mirror, repeat instructions in reverse. Make sure to place the cold mirror into the
holder with its reflective surface facing in. The reflective side will show no gap with its reflection when
an object is held at the surface; the non-reflective side will show a prominent gap. (Figure 5-22)
7. After installation, LampLOC
required.
CP4230 Service Manual
020-100622-04 Rev. 1 (05-2016)
Wear clean lint-free cotton gloves when handling the cold mirror and handle by
5-6.
alignment and Measured Color Gamut Data (MCGD) calibration is
™
Section 5: Parts and Module Replacement
Figure 5-22 Reflective vs. Non-Reflective Surfaces
5-17