Hello, I just got a rush the rock cabinet, When playing i have horizontal grey lines at a slight angle, they do not move and they are very anoying. Ive tried fiddling with the monitor adjustments in the coin door area. but have not had any progress changing the issue, Does anyone know how to fix this? the guy i got the cab from said it was just re-worked with a brand new flyback. Im new to the whole "actual arcade game machine" thing.... im used to tvs and monitors in cabinets with pcs lol.....

Thanks for any help
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p.s. i allready changed the main power supply as the origonal burned out within a few hours
