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 …

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 …

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 …

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 …

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 …

Pretty classic symptoms of a break between MPU J4 pins 1-4 and SDB J4 pins 3-6. Test continuity from the back of both boards to verify wiring, pins and headers.

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 …

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

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

Black Knight MPU and Driver Board By Acampero 13 years ago Jun '12 2012 Aug '16 2016