10. Integrator rod
10.2 Rod diagnostic
General
Due to bad environmental conditions the integration rod m ay become contaminated with grease, dust, dirt or other particles, which
will burn into the rod and cause perma nent damage. As a r esult spots may become visible in the projected image on the s creen. To
confirm that these spots are caused by a damages to the rod p lease diagnose the rod as described in the following procedure.
How to dia gnose the integrator rod of the projector
1. Remove the side cover o f the projector.
Caution: Remove the side cov er 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 m achines or similar.
2. Switch on the projector and project a white test pattern. See users manual of the projector to do so. Make s ure 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 m ove the handle (3) forward or bac kwar d while watching the projected image.
5. Do you see spots in the projected image rotate along with the m ovem ents of the rod?
If y es, these spots are caused by damages to the integration rod. Replace the rod assembly.
If no, integration rod is OK. R e-adjust and secure the integration rod and reinstall the side cov er of the projector.
R5905043 DP2K-12C/11CX 19/02/2018
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