[sdiy] Tiracon 6V - Vermona / VEB Cottbus - Help and Schematics Needed

[ASSI]

On Monday 08 November 2010, cheater cheater wrote:
> I have tried contacting Vermona about the synthesizer, however have
> had no luck with getting a reply about schematics etc.

Vermona had absolutely nothing to do with the Tiracon6V, apart from starting 
to sell EPROM copies a few years ago.  Tiracon6V schematics (without 
connector diagrams) together with extensive explanation were published in:

Hans-Jochen Schulze/ Georg Engel, Moderne Musikelektronik, Militärverlag der 
DDR 1989, ISBN 3-327-00772-1

http://www.ddrbuch.de/Belletristik/Moderne-Musikelektronik::2208.html

> About the Left connector signals:
> The Frequency CV is very weird. C3 is -0,470V, whereas C2 is -0.233V
> and C4 is -0.945V. Obviously has a scaling problem,

Obviously you don't understand what linear CV (V/Hz) is.

> V 4 082 (probably a TL082 clone)
> B084D V7 (probably a TL084 clone)

Correct.

> four chips marked as IA317D UD

A 13600 clone from HFO.


Achim.
-- 
+<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+

SD adaptation for Waldorf microQ V2.22R2:
http://Synth.Stromeko.net/Downloads.html#WaldorfSDada