89
1080i White Balance Adjustment
Equipment required: 1080i 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/m
2
.
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/m
2
.
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 re-access
the previous settings in IIC mode.
Step 15- Repeat steps 2 to 11 for Warm Temperature.
Step 16- Change the Color temperature to Cool Mode, then re-adjust the
Sub bright value to “30”.
20 IRE Window
pattern
80 IRE Window
pattern
