Troubleshooting – No Quarters Arcade

Game repair

Williams System 11 RAM Error Fixed

May 12, 2023Frank0 Comments

Before throwing parts at a board that won’t work, here’s a few things you can to save yourself a bunch of time and headaches.

Audio Amplifier

PRO TIP: Gottlieb Sound Boards

May 2, 2023Frank0 Comments

If your Gottlieb sound board has this satellite board on it you may need to remove and reheat the pins underneath. Read more on how this is done.

Batteries

William’s High Speed Display Problems Fixed

April 10, 2023Frank3 Comments

Here’s some tips you can use when troubleshooting display issues on your Williams System 9-11 series pinball machines.

Big Buck Hunter

Repair Log: Stern Big Buck Hunter Pro

March 31, 2023Frank0 Comments

Here’s some tips and info on repairing the buck target on your Stern Big Buck Hunter Pro pinball machine. Links to replacement parts in the post too.

Data East

PRO TIP: Rottendog Data East MPU Replacement Board ROM Select Jumpers

March 29, 2023Frank0 Comments

If your Rottendog Data East MPU won’t boot, check this out first before returning it or contacting support.

Audio Amplifier

Repair Log: Garbled and low speech on some callouts on Williams F-14 Tomcat.

March 21, 2023Frank0 Comments

This Williams F-14 Tomcat has two garbled and low callouts while all other sounds were good. Read more to see video and find out what the problem was.

Bally Pinball

Williams WPC Fliptronics II flipper board fun

March 1, 2023Frank0 Comments

Usually when I’m repairing a board just 1, maybe 2 components are bad. This Fliptronics II board was left on my bench with a note saying “it locks up the logic board.”

Bally Pinball

PRO TIP: Servicing early Bally and Stern (‘77-‘84 MPU games) display high voltage power supply

February 13, 2023Frank0 Comments

Before pulling your early Bally or Stern power driver board out for service always check your display voltage as it can run high meaning there’s a failure in your high voltage display power circuit.