Brightness; Color Temperature Adjustment - Philips 248C3LSB/00(AP) Service Manual

56 248C3L LCD
(2) Luminance setting : controls to be set to 300 nits with full screen 100 % duty cycle white signal
(3) Warm up: more than 30 minutes after power on with signal supplied.
(4) Ambient light: 400 -- 600 lux.
(5) Ambient temperature: 20 ± 5 C
4.2

Brightness

Follow Panel specification.
4.3

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
0.1
2011/05/02
General Product Specification
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
248C3
PHILIPS
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
23.6" Wide 16:9 LCD Monitor
12 of 18