720p White Balance Adjustment
Equipment required: 720p Pattern Generator, Colorimeter
Panel Settings; Picture = Standard, Color Temperature = Cool, Aspect Ratio = 16:9
Step 1- Using the Pattern generator; apply a 20 IRE (15% Light) Window pattern signal to the panel. Apply the color sensor to the panel and monitor the values.
Step 2- Adjust the Sub Bright Setting to 10 cd/m2. Step 3- Set the G Cutoff Setting Value to 80. Step 4- Adjust the Red and Blue Cutoff settings to match the values in Table 1.
Step 5- Readjust the Sub Bright setting to 10 cd/m2. Step 6- Apply an 80 IRE window pattern signal to the Panel.
Step 7- Set the G Drive Setting value to D8. Step 8- Adjust the Red and Blue Drive settings to match the values in Table 1.
Step 9- Reapply the 20 IRE pattern and 80 IRE patterns and verify that the drive and cutoff settings match the settings in Table 1, adjust as necessary.
Step 10- Adjust the All Drive Settings value to FC.
Step 11- Reapply the 20 IRE pattern and verify the 15% Light settings match the table below, adjust as necessary.
Table 1
Color Temperature | X | Y |
Cool (High) | 0.272 | 0.290 |
Normal (Mid) | 0.288 | 0.296 |
Warm (Low) | 0.313 | 0.329 |
Step 12- Press the Picture button on the remote control and change the Color Temperature to Normal, press the Picture button again and re- access the previous settings in IIC mode.
Step 13- Repeat steps 2 to 11 for Normal Color Temperature.
Step 14- Press the Picture button on the remote control and change the Color Temperature to Warm, press the Picture button again and
Step 15- Repeat steps 2 to 11 for Warm Temperature.
Step 16- Change the Color temperature to Cool Mode, then
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