3 - Focus
- Adjust the Focus volume ( on FBT ) to have the best resolution on screen.
4 - Vertical geometry
- Adjust the Vertical Amplitude, Shift, S-Correction and Slope to compensate for vertical distortion
5 - Horizontal picture centering
- Adjust H Shift to have the picture in the center of the screen.
7 - AGC
- Adjust the antenna signal level to 68 dBµV± 2 for Daewoo tuner (63 dBµV± 1 for Philips tuner). - Set RF AGC to 0. - Increase RF AGC level and stop when the level on pin 6 of I501 goes below 2.5 Vdc
