Acer AL2017 Servicehandleiding - Pagina 20
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5.1.4 Set brightness and contrast to be maximum, apply pattern as Fig.3, it should be the following
requirement:
5.2 Color Temperature Check
5.2.1 Test mode: 1400x1050 @ 60 Hz
5.2.2 Test pattern: pattern #41 of "WHITE"
5.2.3 Test tool: Color Analyzer Chroma7120
5.2.4 Set brightness to be maximum and contrast to be 50%, measure color coordinate and luminance by
color analyzer as the following:
5.3 Brightness Out (Video signal input 700mV ± 2%)
5.3.1 Test mode: 1400x1050 @ 60 Hz
5.3.2 Test pattern: pattern #41 of "WHITE"
5.3.3 Test tool: Color Analyzer Chroma7120
Set brightness and contrast to be maximum with white pattern, to measure the screen center, the
light output shall be >= BL cd/m
5.4 DDC Data Check
5.4.1 EDID program
5.4.2 Execute main program for EDID writing (refer to model type), using scanner for barcode
Min.
luminance
Max.
luminance
L/2
1
4
7
Mode
9300K
USER
6500K
2
Mode
CMO M201P1-L03
of
nine
points
(backlight
of
nine
points
(backlight
L/4
2
3
5
6
8
9
Fig. 3
Chromaticity Coordinate
x
0.283 ± 0.030
/
0.313 ± 0.030
2
BL (cd/cm
)
220
19
Service Manual
)
≥ 75
%
)
W/4
W/2
y
0.298 ± 0.030
/
0.329 ± 0.030
Remark