I have been collecting Pinball Machines now for almost 25 years. Back then I wanted to learn everything on how to repair my own games.
Taught myself how to replace coils, switches, globes and fix mechanisms and locate faults and do the odd solder to.
Anything on or under the Playfield I can now fix but the one thing I had trouble with was repairing boards, Williams boards System 3/7 C.P.U. and driver.
These where the boards I wanted to learn how to repair as they where the easiest to fix, but I wasn’t confident enough to repair them myself so I sent them away to get repaired.
But today for the first time I replaced a component on a driver board and to my surprise it worked.
I had replaced a driver transistor that controls a feature lamp string, when all was done I tested it with a Multimeter and found the transistor was doing its job, now row 1.lamp string was working.
So now all my feature lamps are working on my Williams Flash…..
