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Subject: Re: [korgpolyex] Poly 800 mk1 problem

From: Gordon JC Pearce <gordon@...>
Date: 2014-02-15

On Fri, Feb 14, 2014 at 10:45:04AM -0800, tomdusauchoit@... wrote:
> you're right Michael...replaced the fets and the problem persists...if you have any suggestion what to check for i would greatly appreciate as i'm a novice in electronics but eager to learn... The noise is not continous as in white noise for example but is 'fluctuating' as if the audio path is 'polluted' if that's any help...
> Meanwhile i'll just check everything with my dmm...

You'd be better checking with a 'scope, or at least an audio probe. Start at the output and work your way back.

Gordonjcp MM0YEQ