In both our cases the underlying problem welches that the ESC (where the FC and thus OSD chip got it's power from) introduced noise in the output from the built hinein 5V regulator, which hinein turn causes a ground loop (At least hinein your case. You can find all exam https://sergioiylak.bloggazzo.com/33225983/detaillierte-hinweise-zur-osd證書線上申請