Question about Music
Given your description of intermittent problems, I would venture an educated guess that the problem was NOT the pots to start with. Usually pots will have a part number and you may find an "A" or a "B" indicating the taper.
Look for a circuit board crack in the vicinity of the guitar input section, especially near the pots. Use a BRIGHT led flashlight from opposite side of the board and inspect all solder joints around the input section.
Line 6 seems to play games with a "guitar sense" line that goes to the DSP so problems with that or a break in the circuit trace could cause the symptom.
Posted on Aug 22, 2010
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Posted on Jan 02, 2017
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