Reading Pinball Schematics 101 with John Robertson

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: flippers.com/
nwpinballshow.com
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[@josephryan7233]

Love this video. Start up sequence is a tough subject. I like the way you break it down into smaller sections of the schematic so that in the end you understand the big picture. Would like to see a video in slow motion of the start sequence of the wires/switches/solenoids being lit up as the electricity flows through them.

[@pinbruh]

Thanks for sharing your knowledge John, particularly interesting near the end with the questions and answers. Great answers.

[@jasongreene303]

Nice work, John! With your experience it's obvious that these EM schematics are not simple, but easier with some concepts that you have shown here. Also kudos to the audio engineering! This makes a big difference to me.

[@GeekGamerTV]

Thank you Jason! Audio is always a pet-peeve to me. If it sounds like crap, it doesn't matter how nice it looks :)

[@kaput450]

Very helpful video. got enough out of it to get my Chicago Coin Cinema working closer to 100%. Worked out a startup issue as well as getting my special and extra ball working (a first in the 8 years since I have owned the game.) Thanks!

[@vinnylovesretro]

Excellent presentation, great info, bookmarked this thing, thank you!!!

[@regulatormachine2788]

awesome

[@boonedockjourneyman7979]

Ignoring large parts of circuitry is one cause for poor tradecraft in this field. Almost every restorable machine I’ve seen has disabled, bypassed or simply hacked sections of circuitry. If students can’t figure out a schematic, they have no business touching a complex machine. Very, very poor guidance.