LG 22LU40R, Service Manual

Page: 15 / 30

* CASE
First adjust the coordinate far away from the target value(x, y).
1. x, y > target
i) Decrease the R, G.
2. x, y < target
i) First decrease the B gain,
ii) Decrease the one of the others.
3. x > target, y < target
i) First decrease B, so make y a little more than the target.
ii) Adjust x value by decreasing the R
4. x < target, y > target
i) First decrease B, so make x a little more than the target.
ii) Adjust x value by decreasing the G
(4) Standard color coordinate and temperature when using the
CA100+ or CA210 equipment
To check the Coordinates of White Balance, you have to
measure at the below conditions.
Picture Mode : User 1
Dynamic Contrast : Off
Dynamic Colour : Off
(If you miss the upper condition, the coordinates of W/B
can be lower than the spec.)
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Coordinate
Mode
x y
Temp uv
∆
Cool 0.285 ± 0.002 0.293 ± 0.002 9300K 0.000
Medium 0.295 ± 0.002 0.305 ± 0.002 8000K 0.000
Warm 0.313 ± 0.002 0.329 ± 0.002 6500K 0.000