LinnDrum Repair & Upgrades - Synthchaser #165
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Published 2024-05-13
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Today we troubleshoot and repair a LinnDrum with dead Toms and Conga voices. In doing so, I explain how the LinnDrum turns sampled data in the ROM into the audio you hear. We also look at a couple of upgrades I've got available that make the LinnDrum easier to service and repair and more enjoyable to play -- a replacement 5V power supply board and new sliders!
Parts, service and synthesizers available on my website. I buy broken synthesizers!
My oscilloscope: amzn.to/3rm6b8d
My desoldering tool: amzn.to/3PikaEf
Soldering station: amzn.to/3rudVF4
Smoke absorbing fan: amzn.to/3LvjTfM
My multimeter: amzn.to/3Ltgqi3
All Comments (20)
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Nice upgrade kit!
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I officially put forward the motion that you should henceforth be called: Professor Synthchaser...!
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TY for addressing the very limited replacement slider potentiometer options with these! You are an asset to the vintage gear community!
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12:12 yes!! When I restored my Juno-106, I considered replacing the power supply - but a common aftermarket replacement which I won't name here, built on a few simple commodity switching modules, was being sold for $450! Give me a break! I spent some time and about $5 on parts to instead just fix my original Roland PSU.
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Amazing upgrades! Thank you Synthchaser 👏🏼
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Thank You 👍
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Awesome!
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I just love the way u make something so expansive so easy to understand. Especially considering what u r fixing. People dream about owning them. It,s there next big thing. Dreams cost nothing. Paying for it costs everything sometimes. I have an Arturia matrixbrute, it was a huge buy for me. It was broken when i bought it i had to travel 300 miles to get it. It was the only one in Scotland that i knew about
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Fantastic, Synthchaser! I was wondering if there were any replacement sliders for the panpots; great to know that there are, and that they can be illuminated as well! The LM-2 takes me back to the '80s, when I was assistant engineer at a 24-track studio. Nice memories!
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Hey bro.i just love these videos. Its a wondful insight into how you gentlemen work to preserve the things we love. Im sure, not a lot of people understand the impotance of this sort of thing. Kudos to you, Synthchaser.✊️
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You make it look so easy. Been tracking the non working kick on mine for ages and cant even get a clean read on my scope lol
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As always, a great video. Also thanks for realistic and clever swap out solutions.
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I'm just curious why you have the logo covered upon your DS1054?
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Amazing!
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So the curcuits that make the sounds are just a shift registers pouring the samples from the EPROMs into a DAC. It's kind of like the analog video circuit in a computer drawing data in video memory on a CRT.
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🎉❤
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still have pain I sold my unit .
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Why no heatsink for your power supply design?
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Thanks for the info about the alfa chip. I knew alfa made a bunch of other vintage chips but didn't know they made a 3320. That would have saved me a few bucks fixing an oberheim dx lol
