yes, that's the pin. the signal is perfectly sufficient to feed the
trigger converter circuit. even without the trigger converter, the
s-trigger was able to trigger my simmons, though it was a little
glitchy because the simmons expects v-triggers.

--- In tr-707@yahoogroups.com , "Doug" <dougt55@y...> wrote:
>
> OK so for example for Bass Drum you used pin 7 of IC27 Would you get
> a better signal if you tapped into it after it went through the
> transistor Q26
>
> Doug
>
> --- In tr-707@yahoogroups.com , "gregory zifcak" <foleymachine@y...>
> wrote:
> >
> > hi all, i'm back.
> >
> > here is the trigger out mod that i did:
> >
> > 1. look at the schematic in the files section called "s-trig to
> > v-trig" or something like that.
> >
> > 2. in place of the 9v battery, connect to a +5v point on the circuit
> > board. this should be findable with the 707 schematic.
> >
> > 3. find the chips on the 707 schematic labeled "trigger A" and
> > "trigger B."
> >
> > 4. connect those trigger pins for the sounds you want to have the
> > trigger outs (i only did six) to the s-trig input located on the
> > schematic.
> >
> > 5. output of the trigger schematic to a jack of your choice.
> >
> > note: my trigger outs trigger my drum synths very well, but if i try
> > to use it to step the sh101 arpeggiator, it glitches. i haven't
> tried
> > it with other synths or sequencers. it might be a more precise
> trigger
> > signal if you instead make a one-shot with a 555 and connect it to
> > those trigger points. then you could control the length of the
> pulse.
> > i have not tried this though.
> >
> > good luck!
> >
> > greg
> >
> > --- In tr-707@yahoogroups.com , "memology2003" <memology2003@y...>
> wrote:
> > >
> > > Hi,
> > > I would like to add a few more trigger outs to my 707 and 727 to
> > > trigger percussion synths I have built. Can anyone give detailed
> > > instructions for doing this eg schematic plus connection points.
> > > Thanks,
> > > Steve