The Selection Accumulator; a Jukebox's Brain
ฝัง
- เผยแพร่เมื่อ 21 มี.ค. 2020
- You thought the last video was complicated? Ha!
Today, we take a look at the selection accumulator; how it works, what it does, and how that relates to the rest of the machine. Strap in, folks!
Here is that previous video;
• The Computer-free Auto...
And some other links!
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Astute viewers will notice that it's been much longer than a week since the last video.
Imagine being the person who slaved over engineering these mechanical marvels, and then witnessing the digital age come around where all this can be done in a few lines of code embedded in a $0.50 chip.
I bought out the remnants of a TV and radio repair shop whose hay day was ca 1960s and 70s.
If I could bring my dad back, it would be to sit with him and watch - and talk about - this video. When I was young, he would sit and explain things to me just like this. We dismantled an entire pinball machine and he showed me how every piece of it worked. Thank you for the walk down memory lane...
Fun fact, this mechanism makes it impossible to queue up more than one playing of What's New Pussycat by Tom Jones in a row.
"this jukebox is what turned me into the weirdo that I am today"
“Charmingly ugly and stylistically repressed” How did you find my Tinder bio
"So, let's say you selected C-5."
Love how this implies Fonzie’s power to make a jukebox play by hitting the side is actually kind of maybe plausible. With so much done with little leaf switches, maybe for some designs a vibration from a good smack could momentarily close a circuit that’d register a credit or start a chain that powers an operation. Neat!
This whole machine is so insanely complex I can't even imagine how someone was able to invent it.
What I learned: "Out of Order" is the normal condition of this machine. It is a miracle if it's working at all.
I find it very nice how almost everything in the machine is labeled, with full words & numbers and not just shortenings that you’re supposed to figure out. Probably makes maintenance a less confusing task... though how complex the machine is probably makes maintenance very difficult in the first place.
As an electrician, the amount of engineering behind this is absolutely mind blowing. I have training and experience with relays\contactors and their wiring, but this is just taking it to a whole other level. Absolutely fascinating. Thanks for taking the time to pore over those wiring diagrams and service manuals. Troubleshooting these things must have been a nightmare.
I feel like a dork for how hard I laughed at "This is a literal side note", but that was just way too funny
"I've been staring at these schematics for hours, and my brain hurts."
If I were one of your parents, I would feel very, very proud after watching this video.
I really like how conversational your manner is, gentle humor but not straying too far from the subject. All carefully written, too, obviously. Your craft as a writer/performer shows to those of us with some experience along those directions. It's nice.
"You thought the last video was complicated?"
A shame we never had hydraulic computers - "numeric overflow" would have been so much more obvious.
“Wurlitzer’s way ahead of you...” sounds like a fabulous slogan.