Debug audio section noise

I have a babypac vidiot board which getting my hand anywhere near the volume
pot makes it put out a big racket. Running my finger along the various caps
/ resistors in that section also sets up a nice noise. I have another of
the same board where the above don't cause any problem.

I am a bit weak in analog so short of shotguning the various components I am
looking for a clue on where about to start.

Thanks,

David

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Received on Wed Aug 1 07:13:48 2012