I have a "real" Arkanoid board; been in storage for a bit. While testing it out, I cannot get it to coin up; tested the cabinet with another known working Arkanoid and that one coined up fine (so I know it's not a switch/wiring issue). I've looked for schematics and can't find anything. Where should I start in trying to figure out why this thing won't sense a coin drop? Board works fine otherwise.
