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4. Remove the screw inside the YNF, connecting the housing to the illumination optic system
(IOS).
5. Remove the two screws underneath the YNF, connecting the housing to IOS.
6. Remove the YNF assembly.
7. To replace the YNF, complete these steps in reverse order.
Replacing the illumination optic system
The illumination optic system (IOS) is a magnesium frame that holds the light engine. The light tube
and most optical components are fastened to the IOS. All components except the second fold mirror
can be removed on their own; therefore, the need to replace the IOS is low.
Estimated time to replace: 100 minutes.
1. Remove the light module (on page 70).
2. Remove the light engine (on page 76).
3. Remove the light sensor module (on page 61).
4. Remove the contrast aperture (on page 80).
5. Remove the yellow notch filter (on page 79).
6. Disconnect the nine lens mount harnesses from the integrated motor control board (IMCB) and
feed through the front access hole.
7. Remove the four 5 mm hex head screws securing the laser phosphor module adjustment plate.
8. Remove the three 5 mm hex head screws securing the light engine housing casting.
9. Remove the two 3 mm hex head screws securing the fire wall to the light engine casting.
10. Lift up and out the light engine casting assembly.
11. Remove the four 5 mm hex head screws to release the IOS assembly.
12. To replace the IOS, complete these steps in reverse order.
Replacing the contrast aperture
the contrast aperture is a metal insert that acts like a cats eye to improve the contrast ratio of the
projector.
Estimated time to replace: 18 minutes.
1. Remove the yellow notch filter (YNF) (on page 79).
2. Remove the three 2 mm hex head screws connecting the contrast aperture to the frame the of
illumination optic system (IOS).
CP2208-LP Service Manual
020-102263-01 Rev. 1 (09-2016)
Copyright
2016 Christie Digital Systems USA Inc. All rights reserved.
©
Optics
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