Quote:
Originally Posted by old_coot88
It has to be 'downstream' of the volume control in the audio chain, since it's unaffected by the vol.control setting.
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So obviously true. Duh. I'm a little embarrassed. The symptoms do indeed tell me where to look.
So, finally looking at the schematic, there are two ceramic caps, one coupling and one de-coupling. Those aren't known for this kind of problem as far as I know. Prime suspect is probably the 12CA5 socket, it did happen after a period of use and being fully warm. I am not where the set is for a few days but I'll start with a wiggle of the 12CA5.
Any other suspects?
Thanks!