Acer AL1721h Service Manual page 13

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Lamp Voltage
Lamp Current
Weight
Optical Specifications
I
= 7.0mA
T
= 25 ± 2°C
L
a
ITEM
Contrast Ratio
(Center of screen)
Response
Time at Ta
Luminance of white
(Center of screen)
Color
Chromaticity
(CIE)
Viewing
Angle
Brightness Uniformity
Flicker
Cross talk
700 Vrms (typ)
6.5 mArms (typ)
2000g (typ)
V
DD
Symbol
CR
Rising
T
=4
R
Falling
T
=12
F
Y
L
R
X
Red
R
Y
G
X
Green
G
Y
B
X
Blue
B
Y
W
X
White
W
Y
θ
L
Hori.
θ
R
φ
H
Vert.
φ
L
B
UNI
F
C
T
= 5V
F
= 60Hz
V
Condition
MIN.
250
-
200
θ=0,
φ=0
0.61
Normal
0.31
Viewing
0.26
Angle
0.58
0.11
0.04
0.28
0.30
-
-
CR≥10
-
-
-
-
-
12
F
= 54MHz
DCLK
TYP.
MAX.
450
-
16
-
260
-
0.64
0.67
0.34
0.37
0.29
0.32
0.61
0.64
0.14
0.17
0.07
0.10
0.31
0.34
0.33
0.36
80
-
80
-
70
-
70
-
75
80
-
5
-
2
UNIT
(total)
msec
cd/mm
Degrees
%
%
%

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