Barco DP2K-12C, Service Manual

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11. Lenses and Lens holder
Necessary tools
• Allen key 3 mm
• Nut driver 13 mm
• Nut driver 10 mm
How to adjust
1. Project a green focus pattern.
Image 11-19
2. Loosen the lock nuts (a, b, c and d). See image 11-18.
3. Loosen the 4 set screws (A, B, C and D) by 1 cm. See image 11-18.
4. Fully loosen lock nut 4. See image 11-18.
5. Optimize the focus of the projected image as follows:
a) Place the zoom lens in TELE position (smallest projected image) and adjust the focus using the lens focus barrel or motorized
focus control.
b) Place the zoom lens in WIDE position (largest projected image) and adjust the focus by turning equally on nut 1, 2 and 3.
c) Repeat steps “a” and “b” until the projected image is as sharp as possible.
1
2
3
F
Image 11-20
Center focusing
6. Sharpen bottom left corner of the screen by adjusting nut 1.
R5905043 DP2K-12C/11CX 19/02/2018 193