I just bought my first Pinball machine. It is a 1976 Williams Aztec EM Pinball machine. The prior owner said he hadn't done anything to it.
It plays fine. We logged a lot of time on it in since yesterday, but it will only allow 3 players to play. When you hit the credit button to add the 4th player, nothing. I downloaded the schematic and the manual but was hoping someone could point me in the right direction before I dive right in! I have pretty decent skills in mechanical, electrical and soldering.
Thanks! Looking forward to this new adventure/hobby!