Visual Characteristics; Test Conditions; Brightness/Brightness Uniformity; Color Temperature Adjustment - Philips 274E5QDAB/00(AD) Service Manual

27" lcd color monitor
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Meridian 5
78

VISUAL CHARACTERISTICS

Test conditions

Unless otherwise specified, this specification is defined
under the following conditions.
(1) Input signal : As defined in 3.3,
(2) Luminance setting : controls to be set to
(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
Brightness/
Follow Panel specification.

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
sources must have 75 ohm output impedance.
Brightness uniformity
Product specification
1920 x 1080 non-interlaced mode (1920 x
250
nits with full screen 100 % duty cycle white signal
(x,y)
x = 0.270 ± 0.02
y = 0.281 ± 0.02
1080@60Hz), signal
PerfecTune II

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