Barco DP2K-12C, Service Manual

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10. Integrator rod
10.2 Rod diagnostic
General
Due to bad environmental conditions the integration rod may become contaminated with grease, dust, dirt or other particles, which
will burn into the rod and cause permanent damage. As a result spots may become visible in the projected image on the screen. To
con
fi rm that these spots are caused by a damages to the rod please diagnose the rod as described in the following procedure.
How to diagnose the integrator rod of the projector
1. Remove the side cover of the projector.
Caution: Remove the side cover of the projector only in a clean and dust free area. Never remove the side cover in an area
which is subject to airborne contaminants such as that produced by smoke machines or similar.
2. Switch on the projector and project a white test pattern. See users manual of the projector to do so. Make sure that the projected
white test pattern is focused.
3. Loosen the lock nut on the light pipe (1)
1
3
Image 10-2
4. Gently move the handle (3) forward or backward while watching the projected image.
5. Do you see spots in the projected image rotate along with the movements of the rod?
If yes, these spots are caused by damages to the integration rod. Replace the rod assembly.
If no, integration rod is OK. Re-adjust and secure the integration rod and reinstall the side cover of the projector.
R5905043 DP2K-12C/11CX 19/02/2018 169