I have a Street Fighter Zero game currently totally original i.e. no J-Pacs or anything other than a normal JAMMA cab.
When I turn the machine on everything runs fine (stiill haven't got sound working) but there are vertical lines on the monitor spaced about 1 inch apart and the lines are about 3/16th" thick.
I have searched for an answer to the problem and I'm sure it is something very simple, not bad video RAM or something like that.
Any advice would be very welcome, this is getting frustrating.