Akai LCT42Z7TAP, Service Manual

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Product Specification
LC420WU1
Liquid Crystal Display
Measuring point for surface luminance & measuring point for luminance variation.
H
A
V
B
①
③ ②
⑤
④
A : H / 4 mm
B : V / 4 mm
H : 930.24
mm
V : 523.26
mm
@ H,V : Active Area
FIG. 2 5 Points for Luminance Measure
Response time is defined as the following figure and shall be measured by switching the input signal for
“Gray(N)” and “Gray(M)”.
Gray(M)
Gray(N)
T
r
R
T
r
D
100
90
10
0
Optical
Response
N,M = 0(Black)~255(White), N<M
Gray(N)
FIG. 3 Response Time
93／128