Question about Onkyo TX-SR506 Receiver
I had this problem also on a different set top box (STB). What I did to get rid of that annoying humming noise was to unplug the RED plug only (from red, yellow, white combination) from the back of the STB, YEY!!! peace!!! This did not interfere with the picture or audio quality.
Posted on Apr 05, 2010
The humming noise could be just about anything. The most common is AC noise, if your receiver has a three prong power plug, go to home depot/lowes/ace and get a two prong adapter. This can take out the most common noise which is carried over the common wire and it only cost a buck or so. Now, if this does the trick, it is Not a long term solution, you need to have a line conditioning theater surge protection unit like monster or panamax. If you already have one, chances are good that the problem is internal on the receiver and it needs serviced.
As for the Volume control, hard to say, every receiver volume's up differently. If you are constantly adjusting the volume from it being either too loud or too soft, you need to go into the receivers "setup menu" find speaker settings and adjust the center channel up. As you get more familliar with the receivers settings, adjust the left and right front speakers then the surround speakers, lastly, the subwoofer. Season it to your taste, sound is very subjective and everyone has their own likes and dislikes. If you still have an issue with noise or sound quality, post a comment and I can help you some more. Hope this helps
Posted on Jun 26, 2009
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Posted on Jan 02, 2017
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