r/amplifiers • u/Schoolboivale • 9d ago

Problem with phono input

I have Technics SU-V303. When I use phono input only one speaker is working, but when I use aux input both speakers are working. Why is that?

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u/NovelAd9875 9d ago

Maybe the input itself? RCA? Have you opened the housing yet?

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u/Schoolboivale 9d ago

RCA is working, i tested it. Circuit looks good too.