I recently modded my Sega Genesis model 1 for S-Video. I've tested the system and the S-Video is a bit of a mess and gives vertical lines throughout the picture. Does anyone know a way of correcting it?
I followed this video and did everything step by step: http://www.youtube.com/watch?v=1ikWVFDUb80
I did have both of the grounds on S-video share a spot if that makes a difference.