Philips 231B4LPYCB/00, Service Manual, Page: 90 / 100

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90 Meridian 3
 X 100% < 1.5 %
YA
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:
Product specification
CIE coordinates (x,y)
11500K x = 0.270 ± 0.02
y = 0.281 ± 0.02
PerfecTune II
9300K x = 0.283 ± 0.02
y = 0.297 ± 0.02
PerfecTune II
8200K x = 0.291 ± 0.02
y = 0.306 ± 0.02 PerfecTune II
7500K x = 0.298 ± 0.02
y = 0.314 ± 0.02
PerfecTune II
6500K/sRGB x = 0.313 ± 0.02
y = 0.329 ± 0.02
PerfecTune II
sRGB x = 0.313 ± 0.02
y = 0.329 ± 0.02 PerfecTune II
5000K x = 0.345 ± 0.02
y = 0.357 ± 0.02
PerfecTune II
Production alignment spec.
CIE coordinates (x,y)
11500K x = 0.270 ± 0.006
y = 0.281 ± 0.006
PerfecTune II
9300K x = 0.283 ± 0.006
y = 0.297 ± 0.006
PerfecTune II
8200K x = 0.291 ± 0.006
y = 0.306 ± 0.006 PerfecTune II
7500K x = 0.298 ± 0.006
y = 0.314 ± 0.006
PerfecTune II
6500K/sRGB x = 0.313 ± 0.006
y = 0.329 ± 0.006
PerfecTune II
sRGB x = 0.313 ± 0.006
y = 0.329 ± 0.006 PerfecTune II
5000K x = 0.345 ± 0.006
y = 0.357 ± 0.006
PerfecTune II