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Subject: (Defective) Trident MK2 for Sale (Re: [PolySix] Problem with Trident MK2 Signal Generator)

From: "nanomole39" <nanomole39@yahoo.co.uk>
Date: 2007-05-10

hi there Niels,excellent.what kind of price are you looking for,and
payment via paypal is not a problem.--- In PolySix@yahoogroups.com,
Niels Ott <niels.ott@...> wrote:
>
> Still for sale...
>
>
>
> nanomole39 schrieb:
> > 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 - Joystick has been replaced by other part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
> >>>
> >>>
> >
> >
> >
> >
> > PolySix "Digiest" Page: http://www.acc.umu.se/~amber/Poly6
> > Yahoo! Groups Links
> >
> >
> >
> >
>