Hi
I plan to buy a A-190-2 in the near future - any idea when the revised version will be available
Kind regards
--- In
Doepfer_a100@yahoogroups.com
, "therpocc" <dmitry.shtatnov@...> wrote:
>
> It reminds me how i burnt my MCV-4 applying reverse current to Gate out. (tried to use standard Gate mode with S-Trig synth)
>
> --- In
Doepfer_a100@yahoogroups.com
, <yahoo@> wrote:
> >
> > > -----Urspr�ngliche Nachricht-----
> > > Von:
Doepfer_a100@yahoogroups.com
> > > [mailto:
Doepfer_a100@yahoogroups.com
]Im Auftrag von Aris
> > > Gesendet: Sonntag, 29. Juli 2012 08:10
> > > An:
Doepfer_a100@yahoogroups.com
> > > Betreff: 1 Problem with A-190-2 Midi-to-CV/Gate...
> > >
> > >
> > > I've had this module about 2 months, and it's been working fine
> > > until today. When I press a key on my midi keyboard controller,
> > > the LED lights up, and the CV pitch changes....but there is a
> > > consistent ~5V at the gate jack. It doesn't drop to zero when I
> > > release the key....it stays consistent at around 5V. All other
> > > jacks are working normally when the appropriate midi controller
> > > function is activated.
> > >
> > > Anything I can do for a DIY repair Thanks for your help
> >
> > Probably the gate transistor is defective. This may happen if the A-190-2 or
> > even another module on the same bus is installed in the wrong. The problem
> > should be solved by replacing the transistor (BC547) behind the learn
> > button. Any npn transistor with the same pin-out as the BC547 should work.
> >
> > We are about to change the design of the A-190-1/2/3 because this happened
> > several times in the past because of reverse installed modules.
> >
> > Best wishes
> > Dieter Doepfer
> >
>