Yellow Notch Filter (Ynf) - Christie D4K35 Service Manual

Section 5: Parts and Module Replacement

5.8.8 Yellow Notch Filter (YNF)

The YNF is situated in the IOS assembly, near the contrast aperture. It is removed via a hole in the firewall.
(Estimated Replacement Time: 15 minutes + 30 minute calibration)
1. Remove the front top lid. Refer to
2. Remove the high security lid. Refer to
3. Disconnect the two hoses from the liquid cooling assembly.
4. Remove the IOS access plate located on the security firewall by loosening the thumbscrew from the light
engine compartment. (Figure 5-29)
5. Remove the two, 2.5mm screws securing the YNF to the IOS. Loosen the center nut if necessary.
(Figure 5-30)
6. Carefully, pull the YNF out of the IOS.
7. When installing, repeat above instructions in reverse. Calibrate green primary and MCGD. For details,
refer to Section 3 Service
5-20
5.4.2 Front Top
5.4.3 High Security
Figure 5-29 Remove IOS Access Plate
Figure 5-30 Remove YNF
Setups.
Lid.
Lid.
D4K35 Service Manual
020-100817-01 Rev. 1 (04-2012)