Acer D240H Service Manual page 8

Acer
CCFL startup voltage
CCFL startup voltage
Operating frequency
Protect delay time
Efficiency
Note: Other panels please refer to the reference panel specs.
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 ≥ 240 cd/m
3.3 White balance
The test standard conditions refer to Sec 3.3. (Brightness and contrast are under default value)
Mode
Cool
Warm
User
3.4 Brightness uniformity
The test standard conditions refer to Sec 3.3.
≧2000 Vrms (0˚C)
≧1850 Vrms (25˚C)
40~60 KHz
> 1 second
≥75%
: 25 ± 5°C
: white
: 1920 x 1080
: 700 mV ± 2%
: 30 minutes
2
.
9300K 0.283 ± 0.030
6500K 0.313 ± 0.030
Panel While x
Chromaticity Coordinate
x
0.297 ± 0.030
0.329 ± 0.030
Panel While y
Acer –LCD-D240H
y