Philips 190E2FB/00 Service Manual page 20

20 190E2 LCD
Color temperature adjustment
There are six factory preset white color 11500K, 9300K, 8200K, 7500K, 6500K, sRGB, 5000K
Align by Philips PerfecTune (also called FGA) function.
Apply full white pattern, with brightness in 100 % position and the contrast control at 50 % position.
The 1931 CIE Chromaticity (color triangle) diagram (x , y) coordinate for the screen center should be:
Product specification
CIE coordinates
11500K
9300K
8200K
7500K
6500K/sRGB
sRGB
5000K
Production alignment spec.
CIE coordinates
11500K
9300K
8200K
7500K
6500K/sRGB
sRGB
5000K
Quality Inspection specification:
CIE coordinates
9300K
6500K/sRGB
sRGB
(x,y)
x = 0.270 ± 0.02
y = 0.281 ± 0.02
x = 0.283 ± 0.02
y = 0.297 ± 0.02
x = 0.291 ± 0.02
y = 0.306 ± 0.02
x = 0.298 ± 0.02
y = 0.314 ± 0.02
x = 0.313 ± 0.02
y = 0.329 ± 0.02
x = 0.313 ± 0.02
y = 0.329 ± 0.02
x = 0.345 ± 0.02
y = 0.357 ± 0.02
(x,y)
x = 0.270 ± 0.006
y = 0.281 ± 0.006
x = 0.283 ± 0.006
y = 0.297 ± 0.006
x = 0.291 ± 0.006
y = 0.306 ± 0.006
x = 0.298 ± 0.006
y = 0.314 ± 0.006
x = 0.313 ± 0.006
y = 0.329 ± 0.006
x = 0.313 ± 0.006
y = 0.329 ± 0.006
x = 0.345 ± 0.006
y = 0.357 ± 0.006
(x,y)
x = 0.283 ± 0.015
y = 0.297 ± 0.015
x = 0.313 ± 0.015
y = 0.329 ± 0.015
x = 0.313 ± 0.015
y = 0.329 ± 0.015