Electrical Requirements - Acer H235H Service Manual

Electrical Requirements of H235H
Standard Test Conditions
All tests shall be performed under the following conditions, unless otherwise specified.
Warm up time
AC supply voltage
Ambient temperature
Humidity
Display mode
e-color mode
Contrast control
Color temperature
Brightness control
Analog Input signal
Picture position and size
Viewing angle
Viewing distance
Ambient illumination
Measurement systems
The units of measure stated in this document are listed below:
1 gamma = 1 nano tesla
1 tesla = 10,000 gauss
cm = in x 2.54
Lb = kg x 2.2
Degrees F = [°C x 1.8] + 32
Degrees C = [°F - 32]/1.8
u' = 4x/(-2x + 12y + 3)
v' = 9y/(-2x + 12y + 3)
x = (27u'/4)/[(9u'/2) - 12v' + 9]
y = (3v')/[(9u'/2) - 12v' + 9]
nits = cd/(m2) = Ft-L x 3.426
lux = foot-candle x 10.76
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＞ 30 min.
230V± 5％, 50± 3 Hz
20°C ± 5°C
65% ± 20%
1920 x 1080, 60 Hz, Pixel Clock：148.5MHZ,all white
Set to "User" mode
Set to The value under user mode, which allows that the brightest
two of 32 linear distributed gray-scales (0 ～ 700mv) can be
distinguished.
6500°K
The value under user mode
700 mVss
Factory preset value,
90 ° H and V
40 cm for LCD performance, 20 cm for LCD failures
Dark room < 1 cd/m2
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