Acer B223W Computer Monitor User Manual


 
Acer Acer –LCD-B223W
6
On Load Function:
Item Symbol Min. Typ. Max. Unit Remark
Input Current I
in
--- 1.8 2.2
A
Frequency F 40.0 45.0 80 kHz @Max-Load
Output Current for
One Lamp
I
L
3.0 7.0 8.0 mArms
PWM dimming control
mode: 2mAI
L
8mA
Operating Voltage
Vo --- 750 --- Vrms
Brightness PWM
duty
35% --- 100%
Kick Off Voltage
Hold Up Time
T 1.0 1.5 --- S
@Vin=16.0V
Brightness=3.3V
Efficiency
η 75% --- ---
@Vin=16.0V
Brightness=3.3V
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 : 1680 x 1050
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 250 cd/m
2
(as panel spec)
3.4 White balance
The test standard conditions refer to Sec 3.3.(Brightness control is at 100 contrast control is at 50 )
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
3.5 Brightness uniformity
The test standard conditions refer to Sec 3.4.
%75
)(backlight points nine of luminance Max.
)(backlight points nine of luminance Min.