I think I wired up a switch for the brick wall drop target wrong and now im getting a bunch of errors. All the switchs except the bottom row and rt collum are stuck closed. When I unplug from the board all the switchs are open. The switch is now wires correctly but still getting the same errors. Were do I start?

It is wired now the same as all the others and I even un plugged the switch and got the same errors.

Yes tom looks like either ur game or mine were the wall switch is upside down so this through me off in the picture. That is why i wired it back wards. My leaf switch faces down and yours faces up not to sure which one is rt.

No

Yes same problem no change. I hooked it up same as every other switch on the game.

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Everything tom said is correct.

when you turn the game on it siad ground short row one. But errors that are coming up are showing ground short in all rows and mini pf opto error and brick wall switch error.

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Had my local repair guy come out td Allen Davidson with in 20 min. He found my problem. Opto interface board. He is going to repair it and send it back to me. So glad i have a guy like him to turn to.