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Yamaha RX-V793 receiver shuts down when I turn up volume. Checked the speaker wires and they seem okay. I then hooked it up to an older DVD player I had and it works fine. Don't know if it's 5.1 bu

Yamaha RX-V793 receiver shuts down when I turn up volume. Checked the speaker wires and they seem okay. I then hooked it up to an older DVD player I had and it works fine. Don't know if it's 5.1 but I'm thinking that the DVD unit is shorting out the receiver. Any thoughts? Thanks, Steve

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Frank Fulton

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My first thought would be that when you moved the receiver to connect another DVD, the problem quit since the speaker wires moved. The best way to test would be to re connect the original unit the same way as the new unit and test again. If it still cuts out, disconnect the speaker wires and re test. if it still cuts out, try the new player and test again. if it does not cut out, there may be a problem with the old units audio output. Generally if its a problem with the receiver it would not matter what source you are using, even the tuner on the receiver, if there was a short in the receiver it would cut out. Let me know what your results are and I will help more if needed. Best of luck!

Posted on Nov 30, 2011

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Just bought a used yamaha receiver model RXv793 do not know how to hook it up.


First do not panic by seeing all sockets in the back side of the receiver.You can connect 5 speakers and one subwoofer on the speaker A switch and maybe a second pair of stereo speakers on the B switch.All the speaker sockets have red and black terminals, so do all speakers. Just get decent cables ( You can buy a whole connection Kit if you want ) and connect the corresponding outlets to you speakers.If you have a powered subwoofer connect the subwoofer input to a socket labeled Subwoofer pre out on the RXV. You will need a RCA to RCA cable for that Next you will need a coaxial or Optic fiber cable to connect a DVD player digitally. The back of the DVD player will have a socket marked coaxial out, and so does the RXV's backside. Just link them .
Turn on the system everything should work. If you are not getting DVD sound there is small button on the RXV front panel called Digital input -- set it to auto ( keep pressing the button and it will scroll through various modes). Also remember to switch on speaker A on the front panel.

Mar 09, 2011 | Yamaha RX-V793

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I have a yamaha, natural Sound Av receiver RX-V483, every time that i start the unit it will shut down after 5 seconds. thank you very much


It indicates an output load problem, dis-connect the speaker wires from the back of receiver. Next power on and turn the volume right down, if the unit runs, check for shorts in the speaker wires and speakers. But if it still shuts down "with speakers and wires dis-connected" one or more of the audio output ic's is shorted and will need a professional to assess the item.

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I have an old Yamaha RX-V793. It works perfectly fine. Now I have a new LCD screen, a new DVD player and my new cable tv set top box. All 3 take and use HDMI. I'd like to be able to HEAR BOTH my DVD...


hi,
u can make connections only through digital inputs(optical and coaxial). u can connect the digital outputs of ur dvd and cable set top box to the receiver. no way to connect HDMI. HDMI is a high definition media interface. for using it u have to go for a av receiver that supports HDMI.
ok

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1 Answer

Regarding a Yamaha RX-V757 receiver, if I have my volume set above approximately -28, whether I'm playing a DVD or listening to a music CD, the units power shutsoff. When I turn it back on the display says...


Try turning up the volume with just the FM selected (and tuned to a station). If you can adjust the volume to an appreciably higher level when simply tuning in a radio station, then your CD/DVD player may be outputting a signal with a DC offset, which is getting amplified when you turn up the volume, and past a certain point the protection circuitry is sensing too much DC being sent to the speakers and shuts the unit down. If the unit is getting hot, there is likely an internal problem, or you have a shorted speaker wire, or even a bad speaker. Replace the speaker wires as a test, and you can also run the unit with only one speaker connected at a time to see if any are the source of your problem.
Yes, it's possible that there's nothing wrong with the wires or the speakers, and the unit simply needs a trip to the shop, but it's your job to rule out the easy stuff before you pack it up and take it in.

Nov 21, 2009 | Yamaha Audio Players & Recorders

1 Answer

When turning the volume up to the mid level spot on the dial the power on my yamaha rx-v793 clicks off. Apon turning the power back on,the unit will stay on as along as the volume is below the mid range....


Check your speaker connections, the unit is shorting out. Best way to make sure it's not the receiver is to disconnect all speakers then turn on your receiver,turn on a source like cable or dvd and turn up the volume on the receiver. If it stays on, you know it's not a problem with the receiver.

Now to find the problem; re connect speakers one by one, each time, turn on the receiver and turn up the volume, when you get to the wire causing the problem, it will shut off. At this point, disconnect the speaker wire at the speaker causing the problem to make sure it's not the wire itself. Make sure the loose wires do not touch each other as this will cause the unit to short or worse! If it still plays, then look at the speakers internal connections if possible. Look for the obvious, burn marks on a crossover or wires touching, if you find none, use a multimeter if you know how to read one and set it to resistance. If it reads 1... you've got a bad voice coil and the speaker needs to be replaced. Most often, however, is that a partial part of a speaker wire braid has touched the other. + to - and does not have enough of a load to short out until you turn up the volume. The other scenerio is if your wiring was "pre-wired" in your home for surround and there is a nail or screw in the wire and doing the same thing. If you still have issues beyond this, post a comment and I will help some more. Hope this helps

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Hey, yeah that can be frustrating.

When you turn it up do you hear the relay or a clicking sound, then you turn it on and it comes back below the +2db?

Try unplugging All the speaker wires from the unit. Turn on the unit and listen for the click.
after the click, turn it up past the 2+ db mark and see if you hear it click or shut down. If it did not click off, then suspect a shorted crossover on one of your speakers.
2nd test is to plug in One speaker, and test it at high volume, it will not harm it. If it shuts off disconnect that speaker and try another. Only one at a time.
If it works at high volume, you need to isolate one of your speakers and i bet it has a shorted crossover that has been cooked. P.S. If one is bad, suspect they will fail at a later date.
If they all fail, use a friends speaker and try it before sending it to a repair shop.

P.S. i found one on ebay i think you can get for under $100 bucks in the box.

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Hi..
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You might need to register for a free password thing

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