Best Williams System 6 Driver Board / MPU replacement?
Oct 30, 2016 · BTW, my DMD board just popped and smoked one day out of the blue. My original MPU had battery acid damage that was never fully repaired, so I had all kinds of strange …
Modern Williams System 7 MPU Replacements - Pinside
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 mpu has a …
DIY: 'LISY', a replacement MPU for Gottlieb, Bally & Stern
Looking to install a Lisy anti flicker board on my Quicksilver mpu-200 board. The instructions on the website say to remove u14 which says is a 4049b but u14 on my board is a 14572. Before …
WPC89 MPU for Williams WPC games with great improvements
Ready for an MPU with great features and no hassles warranty? Remember 5V power reset issues? This board has a 12V to 5V DC/DC converter built in. It does not even use the 5V from …
F-14 MPU Short circuit will not boot. - Pinside.com
So first when I go to boot the MPU I get the solid 5V light and have tested voltages and all are in range from the power supply and what is being sent to the MPU board. What I have …
System 80 RottenDog MPU | Tech: Early solid state | Pinside.com
Jan 4, 2024 · I rang out through each diode through the contact of A1J6-11, A1J6-12, A1J6-13, A1J6-14 to the connector at the MPU. All good. On the RottenDog the connector goes directly …
Bally MPU as-2518-35 lamp board: LED related tech tips
Jun 2, 2025 · both the switched illumination and general illumination are NOT on the same supply voltage. Bally uses 7.3VAC for the general illumination and rectified 7.8VAC voltage that being …
Gottlieb System 80 Switch Test Question - Pinside
3. OR there's something wrong on the MPU. To verify the third issue and rule out the MPU, disconnect A1J6 (WHILE GAME IS POWERED OFF) and then turn it on and run the switch …
New CPUs for PLaymatic and RECEL System III - Pinside.com
I will do also CPU for MPU-V Playmatic models. I you may put pictures about CPU of your pinball may check it, or if you have schematics about it. Current information I have about pinballs …
Haunted House Restoration and Upgrades | Restorations …
The entire display section of the MPU was damaged and had undergone some repair - mostly traces replaced with a thin solid-gauge wire. While I didn't love the fact that the previous tech …