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Moog Polymoog Repair – Dead/Incorrect Sounding Keys –

Moog Polymoog Repair – Dead/Incorrect Sounding Keys – Synthchaser #162

#Moog #Polymoog #Repair #DeadIncorrect #Sounding #Keys

“Synthchaser”

In this video I show how to …

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23 Comments

  1. The wide plastic multi cable connector on the top, center of the power supply board is also a weak point…I had to cut that connector out and solder the wires directly to the board when I had one of these years ago

  2. Polymoog the organ back in the day that came back to the factory as fast it went out!
    PolyMoog a Dr Dave Luce creation of which Bob Moog called quote: A man who solved simple problems with the maximum amount of components!

  3. I had a polymoog keyboard and suffered the same issue, unfortunately it seemed to be self inflicted as I found out that the leg fitting screws underneath were made too long and if you tighten them without the leg attached they short out the board above.

  4. I bought a broken Polymoog for cheap back in the 1980s. I think I paid 500 Deutschmarks for it. The problem was one broken UA741 which created some high frequency modulation on the power rails. That brought the whole synth down. And yes, I can confirm that moving that beast around or even temperature changes in the room cause all sorts of problems. Plus, that monster is super heavy and the sounds – which of course can’t be saved, are very basic. Such an overrated machine!

  5. Sometimes, "they don't make them like they used to", and in this case I'm glad! That being said a machine that pushes ahead of it's time, and as such had some quirks and issues, is definitely still quite endearing. Great work on this Polymoog.

  6. I may be wrong (I hope not for a change!) but I think you pointed at the wrong spot for the high frequency oscillators. They are on the top left board. You pointed at the Top Octave generators.

  7. I see you're using Vishay axial caps, which is validating for me since I don't really know who to use in place of Nichicon for axial caps these days since they stopped making them and decided to settle on Vishay to see how it goes. I'm like, fundamentally opposed to using IC caps given how unreliable their stuff was throughout the 2000s-2010s. So for a consummate, highly skilled repair guy like you to be using Vishays counts as a sort of seal of approval in my book.

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