From the Northwest Pinball and Arcade Show seminars:

On the seminar stage, we had John Robertson show us how to read schematics in relation to repairing classic and modern pinball machines!

You can find John on Facebook under John’s Jukes of Vancouver, BC. John’s Jukes:

Fun With Bonus is the home of the semi-coherent, misguided ramblings of professional and amateur pinball players.

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