Acer A231H Service Manual download pdf (Page 9)

Acer Acer –LCD-A231H

3.3 Brightness output

The test to verify specifications in this section shall be performed under the following standard conditions

unless otherwise noted.

Temperature : 25 ± 5°C

Test pattern : white

Video Resolution : 1920 x 1080

Video input level : 700 mV ± 2%

Warm-up time : 30 minutes

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)

Chromaticity Coordinate

Mode

x y

Cool

9300K 0.283 ± 0.030 0.297 ± 0.030

Warm

6500K 0.313 ± 0.030 0.329 ± 0.030

User

Panel While x Panel While y

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Acer A231H Service Manual Page 9