The restoration of a 1980's Williams Defender arcade machine
Archive for November, 2013
The Boards: Repairing the sound board
Nov 19th
Interestingly the sound boards for the Williams machines of this era, are basically stand-alone mini-computers that are just triggered with which sound to play, by the main CPU board. Think of it kind of like a door-bell, where you can press different buttons to get different sounds as you go down the street. So I…
The Boards: Defender is Alive!
Nov 14th
So I decided that without a working set of a Defender boards it was going to be impossible to progress the machine further, as not having any control test for the boards we have meant that guess work and luck was about the best we could hope for. So I got in touch with a…
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