Pole Position keeps coining up??

80sarcade

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I have a working :) PP and love it.... My issue is it keeps coining up randomly. I have looked at the coin mechs and push button, but can not seem to find the issue. It is starting to get worse.

Any ideas, does this sound like a board issue or has anyone heard of this?

Thanks
80sarcade
 
disconnect the coin mechs and any credit add button you have installed, and see if it continues.

if not, wire touching somewhere, bad coin mech switch or miswired credit add button.
 
Check to see if one of your credit switch wires is missing a little bit of insulation. If the bare wire bumps against the metal chassis it would give you a credit.

Mitch
 
Is it set on "free play". IIRC, on free play....Pole Position will just keep on starting over...and over...and over...etc.

Edward
 
Well I checked it was not on free play. I looked at the wiring and disconnected what I could. Still doing it. About Free Play, so I set it to free play and can not tell any difference I still have to coin the game to play??
I will continue to look at a wiring issue.... but the non working free play has me wondering if it is not in the board. I hope not...
 
Look at the schematics. Is there a decoupling cap to ground on the coin inputs? Could be that the cap just needs to get replaced. I've had that happen before.
 
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