White-Balance, Luminance Adjustment - Dell E228WFPc Service Manual

22"LCD Color Monitor
10. White balance, Luminance adjustment
Approximately 2 Hours should be allowed for warm up before proceeding White-Balance
adjustment.
Before started adjust white balance, please setting the Minolta-CA210 MEM. Channel 0 to 6500
0
Channel 0 to 9300 K colors, MEM. Channel 0 to 5700
2
140cd/m , 6500 parameter is x =313±15, y=329±15, Ymin= 180cd/m
2
±15, Ymin= 140cd/m )
How to setting MEM.channel you can reference to Minolta-CA210 user guide or simple use " SC" key and " NEXT"
key to modify x, y, Y value and use "ID" key to modify the TEXT description Following is the procedure to do
white-balance adjust.
Enter into the factory mode:
Press MENU and "+" button during press Power button will activate the factory mode,
Gain adjustment:
Move cursor to "-Factory Setting-" and press MENU key to enter this sub-menu.
Move cursor to " Factory" and press MENU key.
Move cursor to " Auto Level" and press MENU key to adjust Gain and Offset automatically;
a. Adjust sRGB (6500
1. Switch the Minolta-CA210 to RGB-mode (with press "MODE" button)
2. Switch the MEM.channel to Channel 0 (with up or down arrow on Minolta-CA210)
3.The LCD-indicator on Minolta-CA210 will show x = 313 ±30, y = 329 ±30, Ymin= 180cd/m
b. Adjust Color1 (9300
8. Switch the Minolta-CA210 to RGB-mode (with press "MODE" button)
9. Switch the MEM.channel to Channel 0 (with up or down arrow on Minolta-CA210)
10. The LCD-indicator on Minolta-CA210 will show x = 283 ±30, y = 297 ±30, Ymin= 140cd/m
c. Adjust Color2 (5700
15. Switch the Minolta-CA210 to RGB-mode (with press "MODE" button)
16. Switch the MEM.channel to Channel 0 (with up or down arrow on Minolta-CA210)
17. The LCD-indicator on Minolta-CA210 will show x = 328 ±30 y = 344 ±30, Ymin= 140cd/m
22. Move cursor to " Exit/Save" sub-menu and press MENU key to save adjust value and exit.
Turn the POWER-button off to on to quit from factory mode.
Max Brightness measurement: >250 cd/㎡
Test conditions:
a. Switch to the full white pattern, in user mode main menu:
1. Set <Color Settings> Red, Green, and Blue to the max.
2. Set <Brightness> Brightness, Contrast to the max.
b. The Minimum brightness is: < 40% of Max luminance (max luminance = max contrast + max brightness)
Test conditions:
Set <Brightness> Brightness, Contrast to the min.
0
K) color-temperature
0
K) color-temperature
0
K) color-temperature
0
K (our 9300 parameter is x=283±15, y=297±15, Ymin=
2
, and 5700 parameter is x = 328 ±15, y = 344
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Dell E228WFPc
0
K colors, MEM.
2
2
2