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  • Juno 106 chip revival

    I've mentioned before that I recently replaced a few of the infamous chips in my 106 from a donor and shortly thereafter another voice decided to act up. Today I decided to try that trick about removing the coating on the chip to see if that revives it.

    I removed the problem chip this evening and presently it's soaking in a bath of acetone. I'll post updates and pics here and let you know if it's really a viable solution!
    Hurrr. Derp, derp, derp.

  • #2
    Isn't Kerry Bradley doing some work in this area?

    I used to try and hack around with the 80017a and discovered it wasn't my gig.

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    • #3
      I'd be interested to see if it works. Seen quite a few 'faulty' 106s advertised lately. Wouldn't mind getting a cheap fixer/upper to have a go with.
      Vive La Synthesizer!

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      • #4
        a couple places make new voice chips for the 106 if it doesnt work out.

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        • #5
          I have about 4 or 5 faulty ones, but never had the time to get them "fixed"
          * Join the group for Yamaha CP60/70/80 pianos: http://launch.groups.yahoo.com/group/yamahacp
          * Join the group for Kawai and Teisco analog synths: http://launch.groups.yahoo.com/group/kawai-teisco

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          • #6
            So far so good, but slowly. The coating had softened enough by this morning that I was able to scrape off the edges to let the acetone get underneath. I'll see what it looks like when I get home!
            Hurrr. Derp, derp, derp.

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            • #7
              * Join the group for Yamaha CP60/70/80 pianos: http://launch.groups.yahoo.com/group/yamahacp
              * Join the group for Kawai and Teisco analog synths: http://launch.groups.yahoo.com/group/kawai-teisco

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              • #8


                Yeah... it is kind of squicky. But, the chip's already going bad, so it's not like I can make it worse, right?
                Hurrr. Derp, derp, derp.

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                • #9
                  Is it the coating itself that causes the problem?
                  Vive La Synthesizer!

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                  • #10
                    That's what's been thought. This isn't my idea, someone else had posted this a few months back. I couldn't find the thread, though.

                    Hey, if it works, then WOOT, 'cause while warming up the Juno to find the bad voice, ANOTHER voice started freaking out with resonance.

                    Ugh. I think my Juno just wants to go quietly into the night. (or not-so-quietly, really.)
                    Hurrr. Derp, derp, derp.

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                    • #11
                      How much do new chips cost?

                      I know a guy who has a 106 that he hasn't used in 20 years. I've always wanted to buy it from him but knowing that they're all dying doesn't exactly put a flame under my butt to wheel and deal. It's there when/if I want it, I suppose. Also, who's the source for new chips?

                      One of the holes in my arsenal is a true analogue polysynth. The 106 would kind of fill that hole. A dual oscillator per voice poly would be ideal. But at this point, they're double the problems and double the expense. No way I'd pay a couple grand for a vintage Prophet, Oberheim, or Jupiter with their voice cards and chips dying. Especially when I just get off on making ELO sounds.
                      Alesis QS8, Ensoniq Fizmo, Oberheim OB-12, E-MU Vintage Keys Plus, Rhodes 73 Stage, Wurlitzer 145, Wurlitzer 146B, Wurlitzer 206A, Yamaha CP-70B, Yamaha CP-30, Kawai EP-608, Hohner D6 Clavinet, Mellotron M400, Hammond M-3, Vox Jaguar, Baldwin Fun Machine, Wurlitzer MLM, SCI Pro-One, Moog Rogue, Arp Explorer I, Moog Opus 3, Arp Omni 2, Multivox MX-202, Crumar Orchestrator, Crumar Performer, Akai AX80, Akai AX60 w/S612 sampler, Korg Poly 800, Ensoniq Mirage, Roland CR-78.

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                      • #12
                        Just Googled for you :

                        ">" type="application/x-shockwave-flash" width="425" height="350">

                        Make sure you have the right coffee can though.
                        Never mind, I just wanted an avatar | Custom scripts for Greasemonkey

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                        • #13
                          How much do new chips cost?


                          I think a full set of 6 chips is somewhere around $300.

                          Thanks, Poumtschak, that's exactly the video I meant!
                          Hurrr. Derp, derp, derp.

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                          • #14
                            Also finally got to play an OASYS ...

                            Do please give us your thoughts, feelings, etc. in an appropriate thread, O Touring One.
                            Hurrr. Derp, derp, derp.

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                            • #15
                              I stupidly forgot to scrape off the top edge; I only did the sides this morning. D'oh! It feels softer, but it's not coming off yet, so some more soaking overnight is needed.

                              Patience, grasshopper. Patience.
                              Hurrr. Derp, derp, derp.

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