i'll have a closer look at it, thanks for the hint.

best wishes

self oscillate



--- In Doepfer_a100@yahoogroups.com , Florian Anwander
<Florian.Anwander@c...> wrote:

> Hi selfoscillate
>
> > it is the speech output which is distorted.
>
> > roland mayer wrote, that the speech input is very sensitive, but
> > it shouldn't be that sensitive at all.
> Did you try already to send a plain microphone signal into the

Module

>
> If a microphone signal distorts also:
> remove the module from the case and have a close look at the

soldering side

> of the pcb. This "sounds" like some ground connection in the

circuit is

> missing. Start with the solderpoints of the input socket, follow

the lines

> theat lead away from the socket, check the solderpoints at the end

of the

> lines and in the close surrounding of that ends. If it is a missing
> ground/bad soldering and if the switching itself works, then it has

to be

> at the first stage after the input.
>
> Florian
> --
> Florian Anwander |ConSol* HP-Support
> Tel. +49.89.45841-133 |Consulting&Solutions Software

GmbH

> Fax +49.89.45841-139 |Franziskanerstr. 38, D-81669

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> email: florian.anwander@c... | http://www.consol.de