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Cgs synth

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Re: CGS07 Gate Sequencer pcb different from schematics ?

2005-03-18 by peng3002

Thanks for the help.


--- In cgs_synth@yahoogroups.com, sasami@h... wrote:
> I don't forsee any problems. The fact is the schematic is made from
the PCB,
> so the PCB will be the correct one. And to be more specific, the
diode is
> connected to correct place on the PCB, thanks for pointing it out.
As for
> the output, either arrangement would work. The one where the two
resistors
> are in series allows for easier adjustment of the gate pulse
voltage, and is
> how I tend to do things now.
>
> Ken
>
>
> >
> >
> >There's two more differences between this pcb and schematic. I'm
not
> >sure if the differences will matter, so I'll ask.
> > In the reset area of schematic shows: 15V to 110n cap, other
side
> >of cap to 100K-gnd and the anode of diode. Cathode is connected to
> >junction of pin3 of opamp, 100k to ground and a 15K. The pcb has
the
> >cathode connected to the other side of the 15K resistor (junction
of
> >the 15K resistor and the 10n cap). PCB is connected before the 15K
> >resistor, the schematic is connected after the 15K.
> >
> > The next difference has to do with the End Out section.
Schematic
> >shows emitter through 1K resistor, then to the end out jack, and a
> >10K to ground. On the pcb the emitter connects to both the 1K and
10K.
> >
> > Can you forsee any problems ? It looks pretty easy to mod the
pcb
> >if necessary...I'd just rather do it before I get everything
soldered
> >in.
> >
> >Thanks,
> >P.v3
> >
> >
>
______________________________________________________________________
_
> Ken Stone sasami@h... or sasami@c...
> Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
> Australian Miniature Horses & Ponies
<http://www.blaze.net.au/~sasami/>

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