Christie DWU1612-HS, Service Manual

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Service setups
HS Series 2K Service Manual—DWU1612-HS,DWU2022-HS 29
020-001790-01 Rev. 1 (03-2020)
Copyright ©2020 Christie Digital Systems USA Inc. All rights reserved.
• If pressing the FOCUS key results in position 2 coming into focus, turn the set screw A
counterclockwise.
4. Refocus position 1 and check if position 2 is also in focus. If not, repeat step 3 and 4 until both
position 1 and 2 are in focus.
5. To optimize the focus of position 3 on the screen, turn the set screw C clockwise or
counterclockwise.
• If pressing the FOCUS key results in position 3 coming into focus, turn the set screw C
clockwise.
• If pressing the FOCUS key results in position 3 coming into focus, turn the set screw C
counterclockwise.
6. Repeat from step 2 until the projected focus pattern is as sharp as possible in the center, left,
right, top, and bottom of the screen.
7. If the projector is still not in focus, reset the set screw position:
d. Turn the set screws counterclockwise until tight.
e. Turn the set screws 1.5 turns in the clockwise direction back to their factory default
setting.
f. Check that the alignment of the set screws matches what is shown in the image
above.
Adjusting the phosphor index
After replacing main board, combiner, and upgrading firmware, proceed with the phosphor index
adjustment.
To set up for the phosphor index adjustment, follow the steps below.
Warning! If not avoided, the following could result in death or serious injury.
• Do not look into the projector lens when the laser is on. The bright light may result in permanent
eye damage.
ID Part name Description
1 Test equipment Video generator
2 Test pattern 64 Gray RGBW
3 Inspection items • Check if the blue color level is supersaturated.
• If the blue color level is supersaturated, the 64 Gray RGBW test pattern
appears blurred and fuzzy.
4 Criteria • Blue colors in 64 Gray RGBW test pattern appear sharp and clear.
• No noise is visible on the screen.