Adelpia TGL2240A, Service Manual

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22” LCD Color Monitor Adelpia TGL2240A
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9. White-Balance, Luminance adjustment
Approximately 30 minutes should be allowed for warm up before proceeding White-Balance adjustment.
1. How to do the Chroma-7120 MEM .Channel setting
A. Reference to chroma 7120 user guide
B. 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. 9300K color:
9300k color temp. parameter is x = 283 ±25, y = 297 ±25, Y = 200 cd/m
2 ,
B. 7300K color:
6500k color temp. parameter is x = 301 ±25, y = 317 ±25, Y = 200 cd/m
2
C. 6500K color:
5400k color temp. parameter is x = 313 ±25, y = 329 ±25, Y = 200 cd/m
2
D. sRGB color:
sRGB color temp. parameter is x = 313±25, y = 329 ±25, Y =200 cd/m
2
3. Enter into factory mode:
Turn on power, 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.
4. Bias adjustment:
Set the Contrast to 90
Adjust the Brightness to 100.
5. Gain adjustment :
Move cursor to “-F-” and press MENU key
A. Adjust 9300K color-temperature
1. Switch the Chroma-7120 to 9300k channel.
2. The chroma 7120 will show x = 283 ±25, y = 297±25, Y = 200 cd/m
2
3. Switch the chroma-7120 to RGB MODE (with press “MODE” button to change)
4. Adjust the RED of color color1 on factory window until chroma 7120 indicator reached the value R=100
5. Adjust the GREEN of color color1 on factory window until chroma 7120 indicator reached the value G=100
6. Adjust the BLUE of color 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 7300K color-temperature
1. Switch the chroma-7120 to 6500k channel.
2. The chroma 7120 will show x = 307 ±25, y = 317 ±25, Y = 200cd/m
2
3. Switch the chroma 7120 to RGB MODE (with press “MODE” button to change)
4. Adjust the RED of color color2 on factory window until chroma 7120 indicator reached the value R=100
5. Adjust the GREEN of color color2 on factory window until chroma 7120 indicator reached the value G=100
6. Adjust the BLUE of color color2 on factory window until chroma 7120 indicator reached the value B=100