Those are some weird issues. As always, step 1 is to verify power. Use a meter to check for voltage and ripple or better yet use a scope.
+15, -15,?+10.6, -6.5,?+8.5 should all be pretty close. If so, move on. If not, you found where to start! :)
Hi CS80 gurus, owners and fans.?
I have a CS80 with Kenton midi that I have owned since 2012 and recently put into storage for three years. The synth was working fine prior to storing but now there are a range of strange, possibly interconnected, issues. I¡¯ll try and describe yhem
as best I can.?
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On powering up a single octave plays whatever keys you press on the keyboard.? For instance no matter what C key that I press it¡¯s all the same octave etc.?
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The LFO doesn¡¯t seem to work at all and the aftertouch brightness high and low paddle causes a pitch change.
maybe most telling when a select some preset buttons a random third button will light.?
Weirdly, at one stage I held the ribbon at a particular spot and was able to play the synth more or less normally.?
There may be more weirdness that I¡¯m yet to discover but these are the main symptoms. I¡¯m reasonably techy and have a scope but it would be great to get some ideas of where to start.
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