Hi bakis, no, thats not the problem. it also behaves like that when nothing is pluged in. thanks for the hint. helitron --- In Doepfer_a100@yahoogroups.com, Bakis Sirros <synth_freak_2000@...> wrote: > > just an idea... > i had one malfunctioning adsr, in one of my a143-2, > for a few minutes, until i found out that the tip of > the minijack plug (when it was plugged in of > course)was touching the pins of the led that is right > behind the respective 'adsr out' minijack socket, of > the said adsr. i just bended the pins a bit and > everything was fine! > > > --- helitr0n <helitron@...> wrote: > > > Hi Florian, > > > > thanks for the hint. you mean JP5? that looks > > properly soldered, like > > all other solderjoints on the board. > > and retriggering via LFO while holding down the > > gate, does retrigger. > > however it depends on the sustain/decay pot > > settings. if both are low > > the EG goes low when the retrigger signal goes high. > > if decay/sustain > > are high (>3) then it retriggers. > > however the overal env voltage seems low since the > > LED is quite dimm. > > > > hel > > > > --- In Doepfer_a100@yahoogroups.com, Florian > > Anwander > > <Florian.Anwander@> wrote: > > > > > > 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 > > > > > > > > > >
Message
Re: problems with A-143-2
2008-05-25 by helitr0n
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