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Onkyo receiver HT-r340 with no sound turns off, standby flashes

I have an onkyo 5.1 receiver (HT-r340) and the problem y that no suond comes out of the reciver and no matter what I do nothing happens and then the receiver automatically turns off and the stanby lucght flashes. Any suggestion ?

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5 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

  • 3 Answers

SOURCE: onkyo HT-R560 receiver

The unit most likely blew up a capacitor. If you look in through the slots on the top of the unit you should see 2 big black caps (C6901 and C6902) with shiny silver-ish tops. I should also point out that you probably flew up a 125v 8A (F901) glass fuse on the board that the AC cord plugs into. The glass fuse can be found at Radio Shack, but the caps are a bit more troublesome to find. They are 10,000uF 69v and thats just not a standard part, so you may need to up the voltage requirement and buy a 75v cap. Total to fix the amp yourself: Should be about $35 with shipping.

Posted on Nov 07, 2009

  • 5 Answers

SOURCE: My Onkyo HT-R510 will shut down after several

Might be over heating. Make sure you don't have anything sitting directly on top of it. I even put a little fan blowing outward at the back of my system to keep it cool.

Posted on Feb 13, 2010

  • 23 Answers

SOURCE: receiver shuts off at higher volumes

The receiver may be too under powered for your speakers or the speaker ohm's may not be matched for your amp.

The reason it is shutting off is likely because the amp is becoming overloaded. At lower volumes the amp can handle the load of the speakers, but at higher volumes the power supply of the amp can't keep up with the power demand the speakers are pulling.

If you were previously able to turn the reciever high without turning off, then there is likley something wrong with the amp or possibly a blown speaker.

Try measuring the resistance of the speakers if you have access to a multimeter. They should normally read 8 ohms for home speakers, but some common home speaker impedances in order from (I'm assuming) most common to least common are are 8, 4, 2(bose), and sometimes 10 or 12 ohms. The lower the number of ohms, the more power the amp will need to put to the speakers and the more chance you could be overloading your amp.

Posted on Mar 30, 2010

  • 1 Answer

SOURCE: I CAN'T GET MY ONKYO HT-R340 AV RECEIVER TO TURN

I have the same problem during years, I have the same av rereiver and the device switchOff (even in standby). The red led is not visible. During several hours, rare time minutes it is blocked.
I sent it, the last year to the official technical service and they said me that nothing matter with it!!!

The worst buy made by me, goodluck, if you have solution I will be pleasure of your information

Juan Luis Santiago

Posted on Feb 05, 2011

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I have the same problem during years, I have the same av rereiver and the device switchOff (even in standby). The red led is not visible. During several hours, rare time minutes it is blocked.
I sent it, the last year to the official technical service and they said me that nothing matter with it!!!

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