Anyone know anything about audio amps?

big10p

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The sound system amp (Sansui AU-X111) in my games room has some kind of issue. The right speaker now just emits a loud hum. I plugged the speaker into the 2nd right channel connection (amp supports 4 speakers) and still get the hum, so seems something has busted that control the right channel output. Tested the speaker by connecting it to the left channel and it works fine.

I've visually checked the components on the PCB and can't spot anything obviously wrong. Anyone with knowledge of amps able to give me some pointers?

Cheers

[edit] Nevermind. It just occurred to me that the problem could be with the input source. Made sure the jack plug on the TV was plugged in properly and now I'm back to full stereo sound! Epic fail on my part - move along, nothing to see here...
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big10p2016-05-11 13:57:22
 
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