New Game Plan MPU-1/2/3 circuit board with EPROM Shop highlight Over 50 sold! That old Game Plan machine was great.. until battery acid parked it in the garage. Well, you can now get it back out.. This …

Sep 2, 2025 · The only obvious thing that’s not right is the voltage at TP1 on the mpu which reads 4.0v I have replaced the rectifier board and rebuilt the harness between the rectifier board and the …

Quoted from barakandl: Have someone rebuild your MPU unless it is missing or very damaged. I would offer, but i am taking a few months off to do a bunch of home improvement projects. Once a sys 7 …

Oct 30, 2016 · What is the best / most cost effective option for replacing the MPU / Driver board in a Williams System 6 pin with new boards? Rottendog? Are most new boards pretty much plug and …

Voltages look good. MPU should be booting or at least giving you a flicker. Solenoid board is working so other than replacing the large filter caps I wouldn't replace that. Rectifier also appears to be …

WPC89 MPU for Williams WPC games with great improvements Shop highlight Ready for an MPU with great features and no hassles warranty? Remember 5V power reset issues? This board has a 12V to …

The Ultimate MPU Universal Bally/Stern Replacement Board is the last computer board you will need in your Bally®/Stern® pinball game. When you replace your old MPU/CPU board, which more than …

Rottendog MPU 9211 help needed By JanS 2 years ago 2 posts 1 Pinsider participating Latest reply 2 years ago by JanS No one calls this topic a favorite

Bally -35 MPU coin cell battery install By Bay78 2 years ago 7 posts 6 Pinsiders participating Latest reply 1 year ago by Quench Topic is favorited by 4 Pinsiders

Data East / Sega MPU - Will not boot *SOLVED By doompin 2 years ago 4 posts 3 Pinsiders participating Latest reply 2 years ago by Dan_Halen Topic is favorited by 1 Pinsider