1971camaroguy
Member
Is this a pacman pcb or a 60-in-1 with pacman? if 60-in-1 could be cga/vga dip switch. Or could be a sync issue.
I'm assuming the 60-1 sync is negative? I have the single white sync wire split off and wired like diagram below
http://arcadecontrols.com/BBBB/sync8.jpg

