Panel Brightness Check; Panel Color Check; Color Temperature Check - NEC AccuSync LCD71VM Service Manual

4.5 Panel Brightness Check

1) Enter the input signal of 1280×1024 (75Hz), in Full white pattern.
2) Proceed "Factory Preset" function of miscellaneous menu.
3) OSM setting "BRIGHTNESS" to Max. (100%) and "CONTRAST" to 100%.
4) Color temperature setting to "USER" (R: 100%, G: 100%, B: 100%).
5) Check the center luminance should ≥ 200cd/m

4.6 Panel Color Check

1) Enter an input signal of 1280×1024 (75Hz), in Full white pattern.
2) Proceed "Factory Preset" function.
Brightness: 100%
Contrast: 100%
3) Color temperature setting to "USER" (R: 100%, G: 100%, B: 100%).
4) Check the center color coordination.
x = 313 ±0.03

4.7 Color Temperature Check

1) Enter an input signal of 1280×1024 (75Hz), 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:
x = 0.283 ±0.03
9300K:
x = 0.299 ±0.03
7500K:
x = 0.313 ±0.03
6500K:
y = 329 ±0.03
y = 0.297 ±0.03
y = 0.315 ±0.03
y = 0.329 ±0.03
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