Broken SoundMeister

[retromod-Apple-II-newsgroups; rm -rf ~;@vuse.vanderbilt.edu (Tilghman Lesher)]

My SoundMeister sound board seems to be partly broken.  That is, I can
do audio input with it, and all audio records fine.  However, the
audio output is silent.  I have to turn the volume on my stereo very
high to get any sound from either of the audio output jacks (and that's
very whooshy sound).

The built-in headphone jack on the IIGS delivers sound just fine.

Question is, is there a particular chip which has gone out, and can it
be replaced cheaply?  i.e. can I use a chip extractor to remove the
bad chip and fit in a good one?

I know with most devices, it would need to be looked at by a technician;
however, if there is a chip which usually goes out, I would prefer to
try that technique first.

Cost/availability?

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