Discussion about the Korg PolySix synthesizer

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 \ufffd
>> 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 - Joystick has been replaced by other part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 they must have been replaced by an earlier owner.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
>
>
>
>