Acer
Service Manual
5.2
Color Temperature Check
5.2.1
Test mode: 1920x1200@ 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:
Chromaticity Coordinate
Mode
x
y
Y
9300K
0.283 ± 0.030
0.298 ± 0.030
180
USER Default Default 240
6500K
0.313 ± 0.030
0.329 ± 0.030
240
5.3
Brightness Out (Video signal input 700mV ± 2%)
5.3.1
Test mode: 1920x1200 @ 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 >= 400cd/m
2
18