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What would cause my Yamaha S70XS to go out of tune?

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  • What would cause my Yamaha S70XS to go out of tune?

    It's always fine to start . . . after a while, you hear something slide, just slightly. Check it against an A440 source and it's clearly off. I'm mystified.

  • #2
    Strange. of course. There may be a short in one of your wheels, your analog emulation needs to be configured, stray LFO(s), do chips short?
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    • #3
      Last time, I noticed that the mod wheel had a slight effect, but didn't correct it. Working the pitch wheel, which I never touch otherwise, fixed it! Hopefully that's a failsafe solution. No to address prevention . . . .

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      • #4
        Duck Tape in place.
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        • #5
          My Kurzweil has functionality to disengage the mod wheel and pitch wheel. If the Yamaha has that same functionality I would disengage them one at a time and see which one causes the drift (probably the pitch wheel). If you don't use it then just disengage and problem solved.
          '57 Hammond B3; '69 Hammond L100P; '68 Leslie 122; Motion Sound Low Pro/Pro 3T; Neo Vent; Kurzweil PC3; GEM Even toquinox 88 Pro and 76 key; GSI Gemini; Voce V5+; EV ELX112P; '67 Howard Combo Organ; http://www.dyinbreedband.com

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