Asus VG27WQ1B - Color; White Balance Adjustment

Service Manual ASUS VG27WQ1B
70
10. Color/ White Balance Adjustment
1. Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment. How to
setting MEM channel you can reference to chroma 7120 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.
2. Setting the color temp.
A. MEM.CHANNEL 3 (Warm color):
Warm color temp. parameter is x = 313 ±30, y = 329 ±30, Y =210cd/ m
2
(Min.)
B. MEM.CHANNEL 4 (Normal color):
Normal color temp. parameter is x = 299 ±30, y = 315 ±30, Y=200cd/ m
2
(Min.)
C. MEM.CHANNEL 9(Cool color):
Cool color temp. parameter is x = 283 ±30, y = 297 ±30, Y= 190cd/ m
2
(Min.)
D. MEM.CHANNEL 10 (sRGB color):
sRGB color temp. parameter is x = 313 ±30, y = 329 ±30, Y= 160 ± 20cd/ m
2
3. Enter into factory mode:
AC on and press input select key simultaneously, you will enter into the factory mode.
A. Adjust Warm (6500K) 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 = 313 ±30, y = 329 ±30, Y =210cd/ m
2
(Min.)
4. Adjust the RED on factory window until chroma 7120 indicator reached the value R=100
5. Adjust the GREEN on factory window until chroma 7120 indicator reached the value G=100
6. Adjust the BLUE on factory window until chroma 7120 indicator reached the value B=100
7. Repeat above procedure (item4, 5, 6) until chroma 7120 RGB value meet the tolerance =100±2
B. Adjust Normal (7500K) 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 ±30, y = 315 ±30, Y=200cd/ m
2
(Min.)
4. Adjust the RED on factory window until chroma 7120 indicator reached the value R=100
5. Adjust the GREEN on factory window until chroma 7120 indicator reached the value G=100
6. Adjust the BLUE on factory window until chroma 7120 indicator reached the value B=100