when i wanted to test my bin-n-tic, i incidently switched + and -
power supply. after i fixed the problem, I have no sound whatsoever.
I measured 1.1 volt between pin6 of the ca3140.
Is there any part(s) that is the most likely to be damaged ?
thx,
steven
power supply. after i fixed the problem, I have no sound whatsoever.
I measured 1.1 volt between pin6 of the ca3140.
Is there any part(s) that is the most likely to be damaged ?
thx,
steven
--- In cgs_synth@yahoogroups.com, "kopernig" <6079smith@...> wrote:
>
> yes, i noticed the diode and put in a jumper... but still no joy. i
> don't have a scope (yet) but the voltage on pin six of the ca3140
is
> just under 1 volt. with an audio probe i can (barely) hear a cv
click.
> so the vco is not oscillating. i can't figure out why the 2n2
> capacitor seems to be shorted... there's no resistance between the
> source and drain of the fet. nothing is physically shorted. a dead
> fet? any ideas?
> andrew.
>