Brightness Output; White Balance - Acer A231H Service Manual

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3.3 Brightness output

The test to verify specifications in this section shall be performed under the following standard conditions
unless otherwise noted.
Temperature
Test pattern
Video Resolution
Video input level
Warm-up time
Set brightness control and also contrast control at maximum, to measure the screen center, the light
output shall BL ≥ 200 cd/m

3.4 White balance

The test standard conditions refer to Sec 3.3. (Brightness and contrast are under default value)
Cool
Warm
User
: 25 ± 5°C
: white
: 1920 x 1080
: 700 mV ± 2%
: 30 minutes
2
.
Mode
9300K
6500K
Chromaticity Coordinate
x
0.283 ± 0.030
0.313 ± 0.030
Panel While x
Acer –LCD-A231H
y
0.297 ± 0.030
0.329 ± 0.030
Panel While y

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