A friend recently purchased a Pioneer VSX-452 Receiver at Goodwill for $15 without being able to listen to it fully. After taking it home, and hooking up some headphones, and speakers, he noticed the left channel sounded terrible, where the right sounded fine. He mentioned this to me the next day, and I figured “hey, I can fix that”. Especially after just reading a pretty decent book called How to Diagnose and Fix Everything Electronic. Anyway, I took the unit home, and set about diagnosing it.
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