Color Temperature Adjustment; Product Specification - Philips 231B4LPYCB/75 Service Manual

90 Meridian 3
4.6

Color temperature adjustment

There are three factory preset white color 9300K, 6500K, sRGB.
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:
CIE coordinates
11500K
9300K
8200K
7500K
6500K/sRGB
sRGB
5000K
CIE coordinates
11500K
9300K
8200K
7500K
6500K/sRGB
sRGB
5000K
X 100% < 1.5 %
YA

Product specification

(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
Production alignment spec.
(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
PerfecTune II
PerfecTune II
PerfecTune II
PerfecTune II
PerfecTune II
PerfecTune II
PerfecTune II
PerfecTune II
PerfecTune II
PerfecTune II
PerfecTune II
PerfecTune II
PerfecTune II
PerfecTune II