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 …

Dec 20, 2025 · Bally - Silverball Mania MPU LED solid green By Rodster 3 months ago 8 posts 3 Pinsiders participating Latest reply 88 days ago by Rodster No one calls this topic a favorite

Dec 24, 2023 · The MPU separately tests well on the bench with computer supplied 5VDC and 12VDC. Any other things I should be checking at this point to identify what's going on and causing the 5VDC …

I created a multi-mpu board for GamePlan pinball machines. I am still testing Version 1.0, but it is looking very promising, so I thought I would start a new thread here.

I am buying a Stern Dracula and the MPU has battery corrosion. I read somewhere that the Bally and Stern MPU's are compatible, but I can not find that info to verify. The pin has a Stern -100 board in it …

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 …

LISY35 does start a bit later the refresh cycle compared to Bally MPU, so when the Thyristor of the lampdriverboard is activated there is already enough voltage and therefor enough load that the …

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

My first FPGA MPU where I'm using a Cyclone IV board is for GottFA80/GotFA80_PLuS in case you want to use it with 'late' 80B games ( Excalibur, Hot Shots, Big House, Bad Girls, Bonebusters and …

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 …