On Fri, 21 Aug 2015 10:46:05 +0200, yahoo@... 1
< Doepfer_a100@yahoogroups.com > wrote:

> I'm sorry about your problems with the A-110. Please contact our A-110
> specialist directly: Matthias Marass ( keyboards@... ).
> He has tested more than 10000 A-110 over the last 20 years and is
> responsible for the service of the A-110. Maybe the internal
> transistor heaters are defective and the CA3046 have to be replaced. But
> that's only a guess.

Thanks for referring to Matthias, Dieter.

FYI, I tried swapping the CA3046's, but that made no difference. I also
checked the tempco voltage, and it was at around 0.63V as per the
calibration requirements.

I hope Matthias can drop me a hint. Many thanks,

--Roland


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"END OF LINE" [MCP, 1982]