Barco iD H250, Руководство по обслуживанию

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6. Optical spares and servicing procedures
Image 6-24
Securing screw and adjustment handle of the a-spheric lens
5. Tighten the securing screw of the aspheric lens
6. Readjust the folding mirror to make the black area disappear
6.7 The light rod
6.7.1 Description of the light rod
Description
The light rod is a piece of solid glass which aligns the light beam coming from the lamps. The section of the light rod corresponds
to the aspect ratio of the DMD.
A small rotation of the light rod can be performed, to align the light beam on the DMD. The position of the light rod is locked by two
securing screws.
6.7.2 Alignment of the light rod
Necessary tools
• Allen key 2.5 mm
• nut spanner 5.5 mm
Misalignment of the light rod
When the light rod is not well aligned, you can see a rotation of the image.
Image 6-25
How to align the light rod?
1. Switch off the projector
2. Remove the lamp cover
3. Remove the left lamp — See "The UHP lamp", page 67
4. Release the two securing screws
R59770097 ID H250 / H500 15/05/2007 77