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Check C107. A 220uf 10-Volt electrolytic. If it shorts, you have no audio from the volume control to the speaker amp. S-meter still kicks around, just no audio.


I got in the habit of just taking one leg loose. If this restores scratchy-sounding audio, a new one should make it sound normal again. And if it makes no difference, I install a new cap since it's almost guaranteed to cause trouble later.


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