Optical Characteristics; Test Conditions; Optical Specifications - Akai LCT32AD Service Manual

7. OPTICAL CHARACTERISTICS

7.1 TEST CONDITIONS

Item
Ambient Temperature
Ambient Humidity
Supply Voltage
Input Signal
Lamp Current
Oscillating Frequency (Inverter)

7.2 OPTICAL SPECIFICATIONS

The relative measurement methods of optical characteristics are shown in 7.2. The following items should
be measured under the test conditions described in 7.1 and stable environment shown in Note (6).
Item
Contrast Ratio
Response Time
Center Luminance of White
Average Luminance of White
White Variation
Cross Talk
Green
Color
Chromaticity
Color Gamut
Horizontal
Viewing
Angle
Vertical
Symbol
Ta
Ha
V
CC
According to typical value in "3. ELECTRICAL CHARACTERISTICS"
I
L
F
W
Symbol
CR
Gray to gray
average
L
C
L
AVE
δW
CT
Rx
Red
Ry
Gx
Gy
Bx
Blue
By
Wx
White
Wy
CG
θ
+
x
θ
-
x
θ
+
Y
θ
-
Y
Value
25±2
50±10
5.0
4.5 ± 0.5
62.5 ± 3
Condition Min.
800
-
450
400
-
θ =0°, θ
=0°
x Y
-
Viewing Normal
0.622
0.302
Angle
0.240
0.559
0.111
0.038
0.255
0.263
72
80
80
CR≥20
80
80
98／129
Unit
o
C
%RH
V
mA
KHz
Typ. Max. Unit
1000 - -
8 12 ms
2
550 - cd/m
2
450 - cd/m
- 1.3 -
- 4.0 %
0.652 0.682 -
0.332 0.362 -
0.270 0.300 -
0.589 0.619 -
0.141 0.171 -
0.068 0.098 -
0.285 0.315 -
0.293 0.323 -
75 % NTSC
88 -
88 -
Deg.
88 -
88 -
Note
(2)
(3)
(4)
(7)
(5)
(6)
(1)