Asus MM19T, Service Manual

Page: 41 / 59

ASUS MM19T
41
9. White- Balance, Luminance Adjustment
Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment.
Before started adjust white balance , please set the Chroma-7120 MEM Channel 9 to 9300 color,
MEM Channel 10 to 7500 color, and MEM Channel 11 to 6500 color ( our 9300 parameter is
x = 283
±
20, y = 297
±
20, Y = 180
±
10 cd/ m
2
;7500 parameter is x = 299
±
20, y = 315
±
20,
Y = 180
±
10 cd/ m
2
; 6500 parameter is x = 313
±
20, y = 329
±
20, Y = 180
±
10 cd/ m
2
)
How to setting MEM channel you can reference to chroma 7120 user guide or simple use “ SC” key and
“ NEXT” Key to modify xyY value and use “ID” key to modify the TEXT description Following is the procedure
to do white-balance adjust .
2. Setting the color temp. you want
A. MEM.CHANNEL 3 (9300 color):
9300 color temp. parameter is x = 283
±
20, y = 297
±
20, Y = 180
±
10 cd/ m
2
B. MEM.CHANNEL 4 (7500 color):
7500 color temp. parameter is x = 299
±
20, y = 315
±
20, Y = 180
±
10 cd/ m
2
C. MEM.CHANNEL 5 (6500 color):
6500 color temp. parameter is x = 313
±
20, y = 329
±
20, Y = 180
±
10 cd /m
2
3. Into Factory mode of ASUS MM19T:
① Press the MENU button, pull out the power cord, and then plug the power cord. Then the factory OSD will be
at the left top of the panel.
② Turn off the power, press MENU button and SPLENDID button, then press power button. Then the factory
OSD will be at the left top of the panel.
4. Bias adjustment:
Set the Contrast to 50; Adjust the Brightness to 80.
5. Gain adjustment:
Move cursor to “-F-” and press MENU key
A. Adjust 9300 color-temperature
1. Switch the Chroma-7120 to RGB-Mode (with press “MODE” button)
2. Switch the MEM. Channel to Channel 3 (with up or down arrow on chroma 7120)
3. The LCD-indicator on chroma 7120 will show x = 283 ± 20, y = 297 ± 20, Y = 180 ± 10 cd/ m
2
4. Adjust the RED of color1 on factory window until chroma 7120 indicator reached the value R=100
5. Adjust the GREEN of color1 on factory window until chroma 7120 indicator reached the value G=100
6. Adjust the BLUE of color1 on factory window until chroma 7120 indicator reached the value B=100
7. Repeat above procedure (item 4,5,6) until chroma 7120 RGB value meet the tolerance =100 ± 2
B. Adjust 7500 color-temperature
1. Switch the chroma-7120 to RGB-Mode (with press “MODE” button)
2. Switch the MEM.channel to Channel 4(with up or down arrow on chroma 7120)
3. The LCD-indicator on chroma 7120 will show x = 299
±
20, y = 315
±
20, Y = 180
±
10 cd/ m
2
4. Adjust the RED of color3 on factory window until chroma 7120 indicator reached the value R=100
5. Adjust the GREEN of color3 on factory window until chroma 7120 indicator reachedthe value G=100
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