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Friday 11 May 2018 at 22:38
Schudel5
I followed Repairing Williams System 11 Pinball 1986 to 1990, Part One section
2c. Before Turning the Game On: Quick and Dirty Transistor Testing
Whenever I get a new system 11 game, before I ever turn it on, I test all the TIP122/102 solenoid transistors. I do this because I'm already in t...
Source: http://pinside.com/pinball/forum/topic/coil-stuck-on#post-4392903