Is the power header correctly mounted to the board and connected?
On 29 October 2010 01:34, russma04 <russm@...> wrote:
>
>
>
> Thanks Richard and Ken. Unplugged power pin resistance measures 5K and 58K. No backwards chips. What else would cause the excessive load?
>
> --- In cgs_synth@yahoogroups.com, sasami@... wrote:
> >
> > Backwards chip?
> >
> > It sounds like your PSU is going into current limit/shutdown when switched
> > on, due to the excessive load.
> >
> > Ken
> >
> > >When I plug in the VCS and measure the power pins from the bottom of the
> > PCB, I don't get + and - 15v, I get much smaller amounts.
> > >
> > >Also, when the VCS is plugged in, my dotcom Q960 doesn't work at all.
> > >
> > >No smoke, nothing seems to be getting hot.
> > >
> > >Any ideas?
> > >
> > >Thanks
> > >
> > >
> > >
> > >------------------------------------
> > >
> > >The CGS Modular Synth home page: http://www.cgs.synth.net/
> > >Yahoo! Groups Links
> > >
> > >
> > >
> > >
> > __________________________________________________________
> > Ken Stone sasami@... otherunicorn@...
> > Modular Synth PCBs for sale <http://www.cgs.synth.net/>
> > Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
> >
>
>
--
/Ove
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