The Aspheric Lens; Description Of The Aspheric Lens - Barco iD H250 Service Manual

If you shift the image up and left, dark borders will appear at the bottom and at the right side.
Image 6-19
Screws to adjust the folding mirror
• screw 1:
- clockwise: image shifts down and left
- counterclockwise: image shifts up and right
• screw 2:
- clockwise: image shifts down and right
- counterclockwise: image shifts up and left
• screw 3:
- clockwise: image shifts up
- counterclockwise: image shifts down
How to adjust the folding mirror?
We assume the light rod and the aspheric lens to be well aligned! This procedure is described for front table configuration!
1. Select a full white pattern to be projected
2. Adjust screws 1, 2 and 3 to put the folding mirror in nominal position
Image 6-20
Adjusting screws of the folding mirror
3. Use screws 1, 2 and 3 to shift the image on the DMD: no more black borders may be seen on the screen
6.6

The aspheric lens

6.6.1

Description of the aspheric lens

Description
The aspheric lens adjusts the focus of the light beam on the DMD. The aspheric lens is pre-adjusted in the factory.
The position of the aspheric lens is locked by a securing screw.
R59770097 ID H250 / H500 15/05/2007
6. Optical spares and servicing procedures
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