hi there is the trident still for sale as im very interested.i am in
the uk
regards
ady
-
-- In
PolySix@yahoogroups.com, Niels Ott <niels.ott@...> wrote:
>
> Hi again,
>
> I found that I just don't find the time any soon to fix my Trident
MK2.
> Defects as described below. I won't find much time before August or
even
> later and I'm low of cash and my cheap studio monitors are
signaling the
> end of there life...
>
> So in case anybody is interested in buying it, please make offers
in ยค
> off-list.
>
> My offer includes:
>
> - Korg Trident MK2 with defect named below, plus a scratch on the
> wooden side. Besides that in good condition!
> - Battery has been replaced
> - Joystick has been replaced by other part
> - 2x SSM 2044 NEW! but old stock
> - 1x SSM SSM2056 used
> - 2x 4066 quad CMOS switch
> - 5x 4558 dual OpAmp
> - Printouts of data sheets for all ICs named above.
> - Printed service manual on A3 as available online
> (however, not perfect quality)
> - Custom made transport case in mint condition!!!
> (wooden flight case with aluminum edges)
>
> Sooner or later I'll put it on Ebay for a fixed price but I'd be
happy
> to avoid this extra work and just sell to some enthusiast here on
he list.
>
> I will arrange shipping within the EU, however I need to figure out
> costs. (Outside the EU is not such a good idea because of customs
etc.)
> Payment could be done via PayPal or bank transaction.
>
> Best,
>
> Niels
>
> Niels Ott schrieb:
> > Hello there,
> >
> > my Trident MK2 is defective.
> >
> > Symptom: VCO 1 is defective for one voice.
> >
> > Up to now I was able to found out: Input 1 of IC704 (4x CMOS
switch) on
> > KLM-379 doesn't get the VCO signal on voice 7. On all others it
does.
> >
> > There are some oddities with op amp IC707 but I'm not yet sure.
The
> > schematics and the circuit board design hint to the direction
that IC707
> > "feeds" IC704.
> >
> > The IC707 is a 4558, I assume that it is similar in the Polysix.
> >
> > Did anybody of you experience a similar problem? What about
replacing
> > the 4558, did this help?
> >
> > Furthermore, some of the 4558s carry a date stamp of 1997 which
means
> > they must have been replaced by an earlier owner.
> >
> > Unfortunately there is no shop selling electronic parts in reach
so I
> > can't just go for it and try replacing it. Mail order is an
option but
> > not for a few ICs...
> >
> > Thank you for commenting.
> >
> > Best,
> >
> > Niels
> >
> >
>