Vga Source Adc; White Balance - Skyworth 6M61S Service Manual

VGA source ADC:

Switch to PC source, input tessellated white and black signal,
enter factory, select "AUTO ADC" item in the "ADC CALIBRATION"
menu, press → button to begin auto adjust. When it is finish, it will
show "OK" or "FAILE". If "FAILE" is showed, you need to try again.

White balance:

Enter factory mode, enter "W/B ADJUST" item, you can adjust white
balance in this menu.