Samsung CS21A530FLKXSV Service Manual page 38

Troubleshooting
3. Select: Mute ,and get into the G2 adjust Toshiba pattern.
Screen VR
4. First check IBRM in "G2 Adjust" of Factory and adjust Screen VR until "Screen Adjust : OK" like the picture.
Adjusting the White Balance
Power OFF Info Menu Mute POWER ON
1. Select:
2. Initialize all settings to the values appropriate to the corresponding model.
3. Display the Toshiba pattern and adjust the White Balance using CA100 with the coordinates of the corresponding model.
[CA100]
Samsung Electronics 4-25