WPC game doesn’t boot up? Let’s diagnose this Gilligan’s Island.

You turn on your game and… “BLECH!” that’s what you get? That’s not good. Let’s try to figure out what exactly is happening:

Armed with more information, later on I have some time to pull the driver board and diagnose things further:

Diagnosing problems with Mist Multiball mechanism on Bram Stoker’s Dracula

Diagnosing problems with the mist multi-ball assembly on a Bally/WMS Bram Stoker’s Dracula pinball machine. In this case, we were not getting power to the motor, which is supplied from the 20vdc circuit on the power driver board (which also powers the flash lamps). In this series of videos I show how to test the mist motor, and where you check for power and back-trace it to the driver board, then identify which components are related to this problem and how to fix it.