Using yamaha htr-5840 amp, bose speakers (surround sound) and a vizio tv. this setup was working yesterday, switched entertainment centers and now when i plugged everything back in, my speakers are buzzing like crazy. is there a setting on the amp that got messed up? is it the speakers connecting to the back of the amp? how do i debug the problem?
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Re: buzzing on certain speakers (but not all)
Do you have the problem in stereo mode (no suround) Try to disconnect rear speakers and see if you still have the buzzing if you do then disconnect center and check,using only the mains,process of elimination, check your polarity + - on speakers and check the wire.I would double check ALL connections even RCAs
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The signal that comes from most tv's via the optical output is a stereo signal only. That is what your receiver is reading. You would have to manually set your receiver to decode the signal into surround,.
Try running digital audio from the source - cable/sat - to the receiver. The fewer intervening connections and entities, the better. TV's are NOT considered sound sources for high end purposes or we wouldn't have Yamaha HTR-5860's and better speakers, would we?
configure ur PC (both OS audio and third party sound driver) for surround sounds. control panel- sounds and audio devices - speaker settings - advanced - speker settings. so this done. make sure u select the 6 input channel - the button is on the right edge near the volume knob. near the vol button there are two buttons for selecting input type with up down arrow. from that u can select the input type this will be indicated on the top front indicator. but with the 6 input channel selected all selections are preceeded. if u select stereo mode u will have left/ right audio only. make sure u connect the input right. connect from computer to 6 channel input. main, surround, center and sub-woofer. connect the spekers to main (L/R), rear(surround) (L/R), center and sub woofer to terminal marked sub woofer ouput. this done select like i said before the 6 channel button. that should do it.
Have u tried to run the setup / installation, to detect if your speaker system, have or not, subwoofer / size of speakers, etc... or run the manual setup or change the configuration of the bass. -10db + 10db
You may need to set up the receiver for your speaker configuration. There should be a setup menu on the receiver, and that will allow you to tell the amp what speakers you are using, and what inputs you are connecting what devices to. You may also need to set your DVD player, cable box and TV for the audio stream you want to use. PCM or Bitstream to be more precise. Also make sure that the sound output is set to Dolby Pro Logic or Dolby Digital and the input signal is in stereo or surround.
As simple as this sounds, try hitting the speaker a/b button on the front of the unit, next to the headphone jack. I had the same problem, and was about to package the whole thing back up and go back to Best Buy when I hit this button and then the audio test worked.