Gopro 3+ Black - Zenmuse H3-2D - occasional EMF banding on video

censrd

Member
Hi guys,
Just wanted to see if anyone else has had this issue and what steps they may have taken to rectify this. The first time it happened was over a year ago and it only appeared during this one flight. This had vertical lines and the image had colour issues. (goproemf1.jpg) I used the gopro both before and after the flight without any issues. I put it down to some freak issue and haven't thought about it since. However i was doing a flight a couple days ago (first flight after a rebuild) and have noticed this time the colour was fine, but the image now had rolling white bars in the video.(goproemf2.jpg) I've highlighted this in the image with the arrows. Any ideas for cause and ways to fix or at least prevent?
 

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