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RE: [chromapolaris] Release not working properly

RE: [chromapolaris] Release not working properly

2012-08-30 by Paul D. DeRocco

> From: picardjeanluc69
>
> on my Polaris I cannot get the release of the amplitude EG to
> work properly. Basically the signal doesn't drop a lot in
> volume and then just gets cut off. I've set all the trimmers
> to spec, and tried to set volume offset properly multiple
> times, but it doesn't seem to have any effect. Also, while
> calibrating volume offset there is always sound present, it
> cannot be turned off. I've tried turning off several voices
> while tuning, didn't help.

It sounds like there is some major source of constant offset in the DAC
circuit. Or perhaps there is a bad power supply. Have you measured all the
supply voltages? Do you have a scope, or just a voltmeter?

--

Ciao, Paul D. DeRocco
Paul mailto:pderocco@...