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  1. Modern Williams System 7 MPU Replacements - Pinside

    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 …

  2. Troubleshooting Stern MPU 200 boot issues - pinside.com

    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 …

  3. Best Williams System 6 Driver Board / MPU replacement?

    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 …

  4. Bally - Silverball Mania MPU LED solid green - pinside.com

    Bally - Silverball Mania MPU LED solid green By Rodster 72 days ago 8 posts 3 Pinsiders participating Latest reply 61 days ago by Rodster No one calls this topic a favorite

  5. Identifying Bally / Stern MPU Boards | Tech: Early solid state ...

    Stern has two boards – MPU 100 and MPU 200. Easiest way for me to identify between them is the 200 has U13. Bally has three boards – AS-2518-17 – AS-2518-35 and AS-2518-133. The 133 is an …

  6. Black Knight MPU and Driver Board - pinside.com

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

  7. Data East / Sega MPU - Will not boot *SOLVED - pinside.com

    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

  8. DIY: 'WillFA7', a replacement MPU for Williams System3...7 games

    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 …

  9. Bally Displays Flickering Caused by Back Box Wiring

    Nov 21, 2017 · All the MPU connectors re-pinned except the J4 at this point. HV is present at the SDB. The Alltek has a LED for the 180VDC and a TP for 240. Checked with a meter and both are correct. …

  10. New Game Plan MPU-1/2/3 circuit board with EPROM | shops

    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 …