Hi helitr0n > one of the four EGs is not working properly: > when the sustain = 0, the output is high, without beeing triggered. > however, when a trigger/gate is applied, the envelope stops for the > duration of the signal, and then it goes high again. > with sustain >3, the envelopetriggering behaves normally, but the > output is too low compared to the other EGs on the module. > additionally, decay and relese also affect the triggering behaviour. I had a look at the schematics: this sounds like the wire bridge "J10" has been forgotten or is not solder correctly: it is close to the Decay potentiometer and the IC1 (a 555). How does the Envelope react on a slow rectangle LFO at retrigger in while the gate is high (key pressed). Florian
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Re: [Doepfer_a100] problems with A-143-2
2008-05-24 by Florian Anwander
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