> My A-133 Dual VC polarizer ws working fine all along and then
> suddenly the half's Manual
> knob has stopped effecting the signal. I've run all kinds of
> tests even with an oscilloscope
> and so I know something has gone wrong. The corresponding LED
> lights still change
> brightness evenly and accurately when you turn the knob but the
> signal is left unchanged.
> I know it's hooked up correctly, I haven't moved my doepfer since
> I got it and treat it with
> a lot of respect and care. I'm sure that there must be some
> defective part, it really seems
> like the only possible cause.
>
> I've never had a doepfer module turn sour on me and feel kind of
> sad, I don't even know
> what my options are to right the wrong. Can somebody give me some
> guidance about this
> particular module acting up this way I'm in New York city, so I
> guess I'm pretty far from Germany.

Please contact the dealer where you purchased the module (in USA this was
probably Analogue Haven). They will check the module and send it back to us
if they are not able to carry out the repair.

Best wishes
Dieter Doepfer