Approximately 30 minutes should be allowed for warm up before proceeding white
balance adjustment.
Before started adjust white balance of Acer AT2010 LCD TV , please setting the Chroma-7120 MEM. Channel 1 to 14000 color, MEM. channel 2 to 12000 color, MEM. channel 3 to 9300 color, MEM. channel 4 to 8000 color, and MEM.
channel 5 to 6500 color, ( our 14000 parameter is x = 266 ± 15, y = 270 ± 15, Y = 300 ± 7 cd/m2 ; 12000
parameter is x = 272 ± 15, y = 278 ± 15, Y = 300± 7 cd/m2 ;9300 parameter is x = 283 ± 15, y = 297 ± 15, Y= 300± 7 cd/m2;8000 parameter is x = 295 ± 15, y = 305 ± 15, Y = 300± 7 cd/m2;6500 parameter is x = 313 ±15, y = 329 ± 15, Y = 300± 7 cd/m2)
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
I. Press Number key 1 => 9 => 9 => 9 will into the factory mode, and press Menu key the OSD will show menu and a word “F” at LEFT top of Menu.
1. In the factory mode select “COLOR TEMP” may be select the difference color temp.
2. Select SCALER Adjustment: RG, GG, BG => R, G, B Gain adjust. RB, GB, BB => R, G, B Bias adjust.
<Notes: the R, G, B gain use 9 bits, and R, G, B bias use 10 bits to save the value in EEPROM,
so if the R, G, B gain and bias is 255 to 256, the “P0 256”will change to “P10”>
Notes: adjust AV mode the same as PC mode, except the luminance (Pc mode is 350cd/m2, Av is 420cd/m2).
Photo credit to inisdesign.com
II. Bias (Low luminance) adjustment:
1. Set the raster pattern (Black pattern with 1024×768) Input.
2. Set the contrast on OSD window to the value=80, Brightness set to “80”
3. Adjust the brightness on OSD until chroma 7120 measurement reach the lowest value.
III, Acer AT2010 LCD TV Service mode Gain adjustment:
A. Adjust 14000 color-temperature:
1. Set the Contrast of OSD function to 80 and Adjust Brightness to chroma-7120 Y>350 cd/m2
2. Switch the chroma-7120 to RGB-mode (with press “MODE” button)
3. Switch the MEM.channel to Channel 03 (with up or down arrow on chroma-7120)
4. The LCD-indicator on chroma-7120 will show x = 266 ± 15, y = 270 ± 15, Y = 300 ± 7 cd/m2
5. Adjust the Color (user) Mode: RED on OSD window, until chroma 7120 indicator reached the value R=100
6. Adjust the Color (user) Mode: GREEN on OSD window, until chroma-7120 indicator reached the value G=100
7. Adjust the Color (user) Mode: BLUE on OSD window, until chroma-7120 indicator reached the value B=100
8. Repeat above procedure (Item 5,6,7) until chroma-7120 RGB value meet the tolerance =100±2
9. Switch the chroma-7120 to x, y, Y mode With press “MODE” button to check the color temp is in SPEC. or not.
10. Press MENU to exit the SCALER page and press Save to save the current color temp.
B. Acer AT2010 LCD TV Service mode Adjust 12000 color-temperature:
1. Set the Contrast of OSD function to 80 and Adjust Brightness to chroma-7120 Y>350 cd/m2
2. Switch the chroma-7120 to RGB-mode (with press “MODE” button )
3. Switch the MEM.channel to Channel 02 ( with up or down arrow on chroma-7120 )
4. The LCD-indicator on chroma-7120 will show x = 272 ± 15, y = 278 ± 15, Y = 300 ± 7 cd/m2
5. Adjust the Color(user)Mode: RED on OSD window, until chroma 7120 indicator reached the value R=100
6. Adjust the Color (user) Mode: GREEN on OSD window, until chroma-7120 indicator reached the value G=100
7. Adjust the Color(user)Mode: BLUE on OSD window, until chroma-7120 indicator reached the value B=100
8. Repeat above procedure (item 5,6,7) until chroma-7120 RGB value meet the tolerance =100 ±2
9. Switch the chroma-7120 to x, y, Y mode with press “MODE” button
10. Press MENU to exit the SCALER page and press Save to save the current color temp.
C. Adjust 9300 color-temperature:
1. Set the Contrast of OSD function to 80 and Adjust Brightness to chroma-7120 Y>370 cd/m2
2. Switch the chroma-7120 to RGB-mode (with press “MODE” button)
3. Switch the MEM.channel to Channel 03 (with up or down arrow on chroma-7120)
4. The LCD-indicator on chroma-7120 will show x = 283 ± 15, y = 297 ± 15, Y = 300 ± 7 cd/m2
5. Adjust the Color (user) Mode: RED on OSD window, until chroma 7120 indicator reached the value R=100
6. Adjust the Color (user) Mode: GREEN on OSD window, until chroma-7120 indicator reached the value G=100
7. Adjust the Color (user) Mode: BLUE on OSD window, until chroma-7120 indicator reached the value B=100
8. Repeat above procedure ( item 5,6,7) until chroma-7120 RGB value meet the tolerance =100 ± 2
9. Switch the chroma-7120 to XyY mode With press “MODE” button
10. Press MENU to exit the SCALER page and press Save to save the current color temp.
D. Adjust 8000 color-temperature:
1. Set the Contrast of OSD function to 80 and Adjust Brightness to chroma-7120 Y>370 cd/m2
2. Switch the chroma-7120 to RGB-mode (with press “MODE” button)
3. Switch the MEM.channel to Channel 03 (with up or down arrow on chroma-7120 )
4. The LCD-indicator on chroma-7120 will show x = 295 ± 15, y = 305 ± 15, Y = 300 ± 7 cd/m2
5. Adjust the Color (user) Mode: RED on OSD window, until chroma 7120 indicator reached the value
R=100
6. Adjust the Color (user) Mode: GREEN on OSD window, until chroma-7120 indicator reached the value G=100
7. Adjust the Color (user) Mode: BLUE on OSD window, until chroma-7120 indicator reached the value B=100
8. Repeat above procedure (item 5,6,7) until chroma-7120 RGB value meet the tolerance =100 ±2
9. Switch the chroma-7120 to X, y, Y mode with press “MODE” button of Acer AT2010 LCD TV Service mode
10. Press MENU to exit the SCALER page and press Save to save the current color temp.
E. Adjust 6500 color-temperature:
1. Set the Contrast of OSD function to 80 and Adjust Brightness to chroma-7120 Y>370 cd/m2
2. Switch the chroma-7120 to RGB-mode (with press “MODE” button)
3. Switch the MEM.channel to Channel 03 (with up or down arrow on chroma-7120)
4. The LCD-indicator on chroma-7120 will show x = 313 ± 15, y = 329 ± 15, Y = 300 ± 7 cd/m2
5. Adjust the Color (user) Mode: RED on OSD window, until chroma 7120 indicator reached the value
R=100
6. Adjust the Color (user) Mode: GREEN on OSD window, until chroma-7120 indicator reached the value G=100
7. Adjust the Color (user) Mode: BLUE on OSD window, until chroma-7120 indicator reached the value B=100
8. Repeat above procedure (item 5,6,7) until chroma-7120 RGB value meet the tolerance =100 ±2
9. Switch the chroma-7120 to X, y, Y mode with press “MODE” button
10. Press MENU to exit the SCALER page and press Save to save the current color temp.
Turn the POWER-button off to on to quit from factory mode ( in USER-mode, the OSD window location was placed at middle of Acer AT2010 LCD TV screen)
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Acer AT2010 LCD TV Service mode
Approximately 30 minutes should be allowed for warm up before proceeding white
balance adjustment. Written on January 29, 2015