Question about Yamaha RX-V750 Receiver

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Surround sound evrything was working fine on my media room but last week my receiver stop switching the surround sound on. on the display all it reads is L R. before you could see all the speakers ob the display. But know it will not switch over to the surround sound mode. nay suggestions. thanks

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Are there any wires in the back touching? Are any of the surround speaker wires touching

Posted on Feb 10, 2008

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We received the vsx d509s from our son, he hooked it up, and we were enjoying our surround sound in connection with our tv. However, when I hooked up the cd player, all the speakers worked fine, but now...


It is possible that you have switched it from a surround mode to stereo mode. Instructions on how to select a sound mode begin on page 36 of the manual, which can be viewed at the link below.

http://ec1.images-amazon.com/media/i3d/01/A/man-migrate/MANUAL000033275.pdf

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Recently purchased yamaha rx-v665 av receiver, was working fine, but for last 15 days while playing either movies on DVD or any audio, the AUDIO shuts off and the speaker display on the receivers front...


Check to make sure your wires aren't crossing on your speakers or if any of them are loose. Could easily be the cause for knocking out your speakers. That's the easy fix. Other than that it sounds like a computer issue. I'd take it back to where I got it from if it was me and it had only been two weeks.
I am kind of curious, though. Why aren't you using all seven channels? You really shouldn't leave channels open like that.

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Test with an surround sound media ie. Blu-ray or DVD)_. Disconnect the front and all other speakers that are working to see if sound from the missing speakers are heard. If this doesn't work then start by tracing and checking all the wires from the receiver to the speakers for bad/shorted/open connections.

PLEASE VOTE IF THIS WAS HELPFUL. THANKS & GOOD LUCK.

Oct 23, 2009 | Pioneer VSX-818V-K Receiver

1 Answer

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Make sure surround speakers enabled in menu, select surround mode on receiver from a media source that is recorded in surround sound or the receiver can produce surround from.

Jun 14, 2009 | Pioneer VSX-818V-K Receiver

1 Answer

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the only time the center and surround speakers put out sound is when it has a surround sound source such as a dvd etc. and only certain sounds come from them as well.

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theres probably a problem with the right channel cable or plug that connects the tv to the reciever, or the tv is set to mono audio.

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More than likely the protector circuit is getting activated... You can't go below 6 ohms on the surround back which means you need 12 ohm or higher speakers for outside (since the two outputs for surround back/zone2 are in parallel). As a simple diagnostic test, disconnect one speaker and see if the sound survives longer than 2 seconds.

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