[sdiy] Paia string synth BBD chorus problems

[Karl Ekdahl]

Hi list, well subject says it all; i've got a Paia Strings'n'things with a dead chorus, the BBDs seem fine but all but one of 566'es are dead. So i was thinking that there has to be a way easier and cheaper way of making the clock work without buying new 566'es. If i understand this circuit correctly, i need a BBD clock that's fluctuating using a second clock (LFO) to get a chorus/flanger type sound - and there are two of these in the synth. Any hints on how i should do this? I did a small test using Rene's circuit at http://www.uni-bonn.de/~uzs159/bbd-clock.gif but i had no real luck (or patience)...

Karl


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