NEC MultiSync 20WGX2 Series, Service Manual

Page: 47 / 143

4- 10
4.5 Panel Brightness Check
1) Enter the input signal of 1680x1050 @ 60Hz, in Full white pattern.
2) Proceed
“ Factory Preset ” function of tool menu.
3) OSM setting “ BRIGHTNESS ” to Max. (100%) and “ CONTRAST ” to 100%.
4) Color temperature setting to “ NATIVE ” .
5) Check the center luminance should 250cd/m
2
.
4.6 Panel Color Check
1) Enter an input signal of 1680x1050 @ 60Hz, in Full white pattern.
2) Proceed
“ Factory Preset ” function of tool menu.
3) OSM “ BRIGHTNESS ” setting to Max. (100%) and “ CONTRAST ” setting to 50%.
4) Color temperature setting to “ NATIVE ” .
5) Check the center color coordination.
x = 313 0.03 y = 329 0.03
4.7 Color Temperature Check
1) Enter an input signal of 1680x1050 @ 60Hz, in Full white pattern.
2) OSM
“ BRIGHTNESS ” setting to Max. (100%) and “ CONTRAST ” setting to 50%.
3) Color temperature setting to each color.
4) Each color temperature setting as below:
9300K: x = 0.283 0.03 y = 0.297 0.03
8200K: x = 0.292 0.03 y = 0.307 0.03
7500K: x = 0.299 0.03 y = 0.315 0.03
6500K: x = 0.313 0.03 y = 0.329 0.03
5000K: x = 0.346 0.03 y = 0.359 0.03
≧
± ±
±
±
± ±
±
±
±
± ±
±