hum on Harmon Kardon HK3270 receiver

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gychang

gychang

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Joined 2005
I bought a used 2 channel receiver, but it has a hum when I turn on the volume high. The unit sounds very clear otherwise. Some owners have noticed the problem.

Anyone have any suggestions on how to minimize the hum?, what are the basic things?

I will try to move the receiver away from the other components and will try the different wall outlet.

thanks,

gychang
 
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