although, if you are using polarized caps, they will probably only
work if they are oriented correctly. you should be able to tell the
correct orientation by looking up "555 astable vibrator circuit" or
something.

--- In tr-707@yahoogroups.com , "gregory zifcak" <foleymachine@...> wrote:
>
> well, i don't think it matters what kind of caps you use for 555s and
> decay envelopes. i've had them work fine with polarized electrolytics
> and ceramics.
>
> as far as the clocks, mine dip down into the audio range at their
> lower end. you should be able to hear a faint whine if you touch their
> outputs to the 707 outputs. if you can hear output, they should work
> as clocks. accordingly, you can use these clock circuits as audio
> oscillators if you use a bigger cap. there is a free dos program
> called 555.exe which calculates the frequency of the oscillator when
> you type in the values of the cap and resistor.
>
> --- In tr-707@yahoogroups.com , "philo_707" <philo_707@> wrote:
> >
> >
> > Hmm, I'm def. a little confused about this one. I know the 555s I'm
> > using are right, I followed the schematic posted here except for
> > changing the resistor and cap values to the ones mentioned that work,
> > but no go yet. Would any .1 uf cap work
> >
> > For that matter, on the decay mod, will any 1.0-10 uF cap replacing
> > the stock ones work Do they need to be electrolytic or non, or does
> > it really matter
> >
> > About the LCD, I bought a dead parts unit that probably has a good LCD
> > on it, so even if I am successful in my attempts to revive the fried
> > one, I may have one nonetheless.
> >
> >
> >
> >
> > --- In tr-707@yahoogroups.com , "Bart Provoost" <bart@> wrote:
> > >
> > > >
> > > > To the guy who needed an LCD, I'm still doing repairs, but it
looks
> > > > like I will likely have a extra working LCD anyway, we'll see.
> > >
> > >
> > > That's interesting ;)
> > >
> > > Bart
> > >
> >
>