White-Balance, Luminance Adjustment - Adelpia TGL2260A Service Manual

22" LCD Color Monitor
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 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. you want
A. MEM.CHANNEL 3 (7800K color):
7800K color temp. parameter is x = 296 ±20, y = 311 ±20, Y = 180±30 cd/m
B. MEM.CHANNEL 4 (6500K color):
6500K color temp. parameter is x = 313±20, y = 329 ±20, Y =180±30 cd/m
3. Enter into the 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
5. Gain adjustment:
Move cursor to "-F-" and press MENU key
A. Adjust C2 (7800K) 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 = 296 ±20, y = 311 ±20, Y =180±30 cd/m
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 (item 4,5,6) until chroma 7120 RGB value meet the tolerance =100±2
B. Adjust C1 (6500K) 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 = 313 ±20, y = 329 ±20, Y = 180±30 cd/m
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 reachedthe value G=100
6. Adjust the BLUE 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
C. Turn the Power-button off to quit from factory mode.
to 50; Adjust the Brightness
2 ,
2
to 80.
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Adelpia TGL2260A
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