Fun game, but I'm puzzled by functionality of the 8-ball. The E relay seems to be what holds this feature in place: it energizes when you hit the top center rollover or the center kickout hole. The relay releases whenever the trough switch is actuated and the ball count unit steps down. I looked for an EOS switch on the ball count unit or an NC switch on the trough, but there isn't one. How the heck is the 8-ball relay releasing? There's a schematic taped to the backbox door, but I hate to break the seal on it.