Williams System 11 pinball Test Bench Fixture - Amateur

Williams System 11 MPU test bench amateur. Variable power supply. Light matrix, special solenoids. Example of a test bench for system 11 pinball without spending a lot of money. Testing displays, sound, light matrix, switch matrix, coin door switches. Eprom burner, TL866II, Eprom eraser, Leons test roms.
Reset Mod reference:
MCP120-460GI/TO
• NWPAS 2015 - D1 S7 - W...
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Grand Lizard Pinball. High Speed. Taxi.
Siegecraft diagnostics hardware.
www.siegecraft.us
Next video will show how to start a game on the bench.
- Matt Jeannet
Mattsmerchandise.com
Selling used pinball parts and art to support the pinball community and my hobby.
the cramps