Barco F90 series, Руководство по обслуживанию

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10. Optical adjustments
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Image 10-6
Focus adjustment location
10.6 Color Uniformity, TI Loop mirrors adjustment
• Use full white test image
• Tool: 1,5mm hex
Purpose of adjustment is to even the center the brightness. Adjust one leg at the time. Turn off right laser cluster while adjusting left
mirror and vice versa. This can be done by use of Prospector web interface (see chapter 11, PW adjustment).
10.6.1 Color Uniformity, left TI Loop mirror:
The uniformity adjustment is quite delicate adjustment to perform. Should not be attempted unless absolutely needed.
The upper left screw (1) adjusts the Horizontal (X) uniformity while the right screw (2) is for Vertical uniformity (Y).
Adjust by eye until you are satis fi ed or measure white point in edges of image and compare.
Note! In order to adjust one leg accurately, the alterative light source must be shut off. See chapter 13.3 for details
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Image 10-7
If a yellow spot can’t be adjusted away. If image is to yellow either on left or right leg: Adjust mirror on Color
Uniformity, left TI Loop mirror:the opposite led/TI loop so that you get a blue spot on the same location. This
will cancel out the yellow when both clusters are lit.
10.6.2 Color Uniformity, Right TI Loop mirror:
Adjust using same method.
Adjustment screws for right TI loop are accessible from outside of the unit, after removal of the right side cover.
Before starting the adjustment, outer side cover right and frame radiator right protection grid must be removed (see chapter 17.3.5).
The lower right screw (1) adjusts the Horizontal (X) uniformity while the upper left screw (2) is for Vertical uniformity (Y).
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