Christie DS Series Service Manual page 99

10-2 AIR SENSOR adjustment
When you replaced the MAIN PCB, SENSOR-A/
B PCB, PANEL FAN or BOTTOM CASE, or
when you re-attached the PANEL DUCT to the
BOTTOM CASE, make sure to carry out this
adjustment after re-assembling the projector and
cleaning the air filter.
A-SENS bar
A-SENS >>EXE 1:xxxx 2:xxxx
10-3 PSIG adjustment (vertical bars adjustment)
Test patterns for the adjustment
64/255
88/255
112/255
136/255
160/255
ENTER button
64 88 112 136
/255 /255 /255 /255
10-4 Flicker adjustment (V.COM adjustment)
Test patterns for the adjustment
Each color (128/255)
NOTE: The test pattern sometimes has
a horizontal line across the screen.
V.COM bar
V.COM Rxxx Gxxx Bxxx
LWU900-DS/LHD878-DS/LWU755-DS
Service Manual
LWU900-DS / LHD878-DS / LWU755-DS
3:xxxx 4:xxxx END
160
/255
Wxxx
98
Adjustment procedure
1. Display the A-SENS bar with the ▲ and ▼
buttons in FACTORY MENU - VID-AD1.
2. Press the ► button to run automatic adjustment
program. The cell END is highlighted in about 5
minutes after the adjustment finished.
P-SIG bar
P-SIG Rxxx Gxxx Bxxx
ATTENTION
Make this adjustment work before the Flicker
adjustment .
Adjustment procedure
1. Display the P-SIG bar with the ▲ and ▼ buttons
in FACTORY MENU - DAC-P.
2. Select the cell R, and use the ▲ and ▼ buttons
to adjust so that vertical bars are minimized.
3. In the same way, use the cells G and B in turn to
adjust so that vertical bars are minimized.
Adjustment procedure
1. Display the V.COM bar with the ▲ and ▼ buttons
in FACTORY MENU - DAC-P.
2. Select the cell R, and use the ▲ and ▼ buttons
to adjust so that the flicker at the center of the
screen is less than the flicker at the periphery.
(When the flicker is almost same across the whole
screen, adjust so that the flicker at the center of
the screen is less than elsewhere.)
3. In the same way, use the cells G and B in turn to
adjust the each color flicker.
020-001586-01 Rev. 1 (02-2021)
LIT MAN SERV DS Series