Thought I'd look it up for you and post the link here:

http://www.doepfer.de/faq/a100_faq.htm#contact%20problems

On Tue, May 13, 2008 at 1:56 PM, Silas Johansen < sijodk@... > wrote:
> The first production runs used a different brand of mini jacks which
> had some problems with reliability. According to list lore the
> problems can be alleviated by gently pushing somewhere on the socket
> with a small screwdriver - this procedure is described somewhere on
> the Doepfer website, IIRC.
>
>
>
> On Tue, May 13, 2008 at 1:18 PM, aybee2004 < llebydna@... > wrote:
> >
> >
> >
> >
> >
> >
> > Thanks Doug.
> >
> > We don't have Radio Shack here in the UK - it was Tandy for a while
> > but they've all disappeared. Did check out the patch leads at Big City
> > Music and they turn out to be from Analogue Systems in UK so I'll
> > go ahead and order some. Along with the EMS licenced modules they are
> > doing...
> >
> > Are the minijacks generally reliable I am discovering a lot of flakey
> > ones on my modular. Will get busy with the Servisol over the weekend.
> >
> >
> >
> > --- In Doepfer_a100@yahoogroups.com , "Doug" <dougc356@...> wrote:
> > >
> > > bigcitymusic offers good patchcords in many lengths and colors.
> > >
> > > My used A-100 came with a few gray, thin patchcords that have
> > > intermittent connectivity problems. The ones from bigcitymusic are
> > > fine.
> > >
> > > For immediate gratification, you can find patch cords (I think
> > > they're 18") at Radio Shack. A little more expensive than the online
> > > cords, and they are uselessly stereo, but they work great and are
> > > quite durable and flexible.
> > >
> > > Doug
> > >
> > >
> > > --- In Doepfer_a100@yahoogroups.com , "aybee2004" <llebydna@>
> > > wrote:
> > > >
> > > > Hi all,
> > > > I've finally entered the world of modulars. I got a good Doepfer
> > > setup
> > > > from ebay last week and it's been great fun so far :-)
> > > >
> > > > I don't know how the unit has been stored - or if this is just a
> > > > problem with 3.5mm jacks - but I have a few intermittent
> > > connections
> > > > and so I'd like to give all (!) the sockets a good clean. Anyone
> > > got a
> > > > favoured method Or is just a case of spraying contact cleaner
> > > around
> > > > the place Is there a burnishing tool available for minijacks
> > > >
> > > > Also, I don't know if the supplied patch cables are original
> > > Doepfer
> > > > or not but they seem a bit feeble. Can anyone suggest a source of
> > > high
> > > > quality patch leads or am I better off making my own
> > > >
> > > > thanks!
> > > >
> > >
> >
> >
>