ViewSonic A90f+-1 VCDTS23307-2R Service Manual page 27

Item.
(11).Color Temperature
Adjustment:
a). 9300 K / Su93 :
Background
White Balance.
b). 6500 K / Su65 :
Background
White Balance.
c). 5000 K / Su50 :
Background
White Balance.
ViewSonic Corporation
Alignment description.
*Mode 13: 1280 x 1024, 79.976k / 75 HZ.
Pattern: 11(Black pattern).
*Brightness: 95; Contrast: max.
*Select "Color" Icon.
Select 9300 K / Su93:
1).R,G,B bias: set at 107 (Samsung
ITC),
then adjust lowest VR of "FBT" to set
background at 1 +/- 0.2 F/L ;
2).adjust " R,B " bias to:
x =0.283 0.003; y =0.297
0.003 .
*Mode 13: 1280 x 1024.
Pattern: 11(Black pattern).
*Brightness: 95; Contrast: max..
*Select "Color" Icon.
Select 6500 K / Su65:
1).R,G,B bias : set at 107 (Samsung),
2). adjust " R,B " bias to:
x =0.300 0.004,
y =0.300 0.004.
*Mode 13: 1280 x 1024.
Pattern: 11(Black pattern).
*Brightness: 95; Contrast: max.
*Select "Color" Icon.
Select 5000 K /Su50:
1).R,G,B bias : set at 107 ( Samsung ),
2).adjust " R,B " bias to:
x =0.310 0.004,
y =0.310 0.004.
B
G
R
B
G
R
B
G
R
24
Confidential – Do Not Copy
Alignment Specification.(Refer
spec.).
x =0.283 0.005
y =0.297 0.005
.
A90f+-1