I have a ChiCoin Big League, a solid state pitch & bat in an arcade game cabinet. The game mostly plays but after a while there is a delay when pitching or hitting or it stops altogether. Turning the game off and on again will sometimes help but a full game is rarely consistent.
I checked the chips one by one using the diode setting on my DMM and as far as I can tell they're good. In looking at the schematics, both the pitch and bat functions 'run' through capacitors that are the original from1974. Do these ever go bad?