You mentioned earlier that you replaced a 250 ma. fuse with a 200 ma one. Assuming this is a standard glass fuse, can you take a closeup pic of it showing clearly the opened element?
Just a W.A.G., but is there by chance a filter cap directly upstream of this fuse, which, if the cap were open, would pass a large ripple?
On rare occasions, I've seen a bad filter cap passing enuff ripple to smoke the resistor directly 'downstream' in the B+ line. But never seen a fuse blown from this condition before.
Last edited by old_coot88; 01-16-2017 at 12:10 AM.
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