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Hi i've just brought a onkyo ht-r380 av receiver and the standby light keeps flashing and the system turns off when i try to switch it back on?

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 151 Answers

SOURCE: onkyo HT-R520 Immediatly goes

make sure that speaker wires are not touching.one strand is all it takes to switch unit off.

hope this helps.

cable guy.

Posted on Jun 04, 2008

SOURCE: onkyo HT-R560

If you look at the manual, there are steps detailed to reset the receiver. This usually happens if the receiver becomes very hot. Try resetting and you should be okay.
The other problem is short circuit on the speaker wires. Check the speaker wires again.

Posted on Oct 12, 2008

SOURCE: Onkyo HT-R501 7.1 reciever issues

you have to get it fixed. same thing happened to my onkyo reciever and they said it was a bad circuit. had to take it to an onkyo tech and have it replaced.

Posted on Oct 15, 2008

  • 2 Answers

SOURCE: On-screen Menu not appearing on Onkyo-TXSR875

onkyo UK referred me to their UK repairer called GenServe and they were vary helpful, said it was a common fault!  I just happened to live near GenServe and I took it to them and they fixed it in a couple of hours and as it was still under the 2 year warranty, it was fixed for free.  Not sure where you are in the world, but check out their website www.genserve.co.uk

Posted on Feb 10, 2009

  • 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

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1 Answer

My onkyo HT RC330 will not power up at all. Have had problems past couple of months with starting it but if you played around with swith it would start. Now nothing.


Try resetting the AV receiver To reset the AV receiver to its factory defaults, turn it on and, while holding down VCR/DVR, press 8 ON/STANDBY. "Clear" will appear on the display and the AV receiver will enter Standby mode.

It is possible that the protection circuitry has been activated. Remove the power cord from the wall.. Disconnect all speaker cables and input sources, and then leave the AV receiver with its power cord disconnected for 1 hour. After that, reconnect only the power cord and set the volume to maximum. If the AV receiver stays on, set then the volume to minimum, disconnect the power cord, and reconnect your speakers and input sources. If the AV receiver turns off when you set the volume to maximum, disconnect the power cord, and contact your dealer.

If the standby light is lit it and the unit will not boot it is most likely that the protection circuit has been activated. If there is no standby light then check the fuses. These units check that the power supplies are operating near specification. If a capacitor or resistor in the circuit, or a broken solder connection the unit will shut down. Because of the temperature the thermal cycling around the power supplies a broken solder joint can occur. This will make for an intermittent operation.

Hope this helps.
26289825-owoa52fq3dbvw0lom3ojbzgr-3-0.jpg Failed resistor or capacitor


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26289825-owoa52fq3dbvw0lom3ojbzgr-3-5.jpg

Sep 23, 2016 | Onkyo Ht-rc330 5.1-channel Home Theater...

3 Answers

Onkyo AV Receiver TX-SR503 While sleeping with earphones connected, the receiver shut down and the standby light blinked. I unplugged the power cord, reconnected power and the receiver shut down...


Have you provided adequate ventilation?
May be your receiver is running hot and when there is loud volume it is obviously getting overloaded. There are no fans inside 674, the only way to provide good ventilation is to keep the top of receiver clear for atleast 6 to 8 inches.

Hope that helps.....

Jul 03, 2008 | Onkyo Audio Players & Recorders

1 Answer

Onkyo ht-rc180 standby light blinks will not start.i tryed factory reset, still blinks


The amp protection circuit has been activated. Remove the power cord from the wall outlet immediately. Disconnect all speaker cables and input sources, and leave the AV receiver with its power cord disconnected for 1 hour. After that, reconnect the power cord and reconnect an input and a pair of speaker wires onto the unit. If the receiver still does not turn on than you will have to bring it in for service. Turn up the volume and if the receiver doesn't shut down, power off the receiver and add another pair of speakers. Power up the unit again and turn up the volume. If it doesn't shut down, power off the unit again. Now connect all your input sources and turn on your receiver. If the unit shuts down again, your unit will need to be further serviced at an authorized Onkyo service center.

Sep 24, 2014 | Onkyo Ht-Rc180 7.2-Channel A/V Surround...

1 Answer

I have an Onkyo AV Receiver HT-R500 and when I turn it on, it turns on and in less than one second it turns back to standby. What could be wrong?.


Try disconnecting all the speakers and see if it does the same thing. If it doesn't, connect speakers again one at a time to find out which one of them is doing it. Make sure the speakers rating match the output of the amp.

Jun 16, 2011 | Onkyo HTR500 Receiver

1 Answer

I have a Av receiver tx-sr506,and it has these proble,the standby led is flashing and when turn on it goes back to the flashing standby mode,can i have any idea to fix it or any tech who can fix it.


The flashing indication is telling you to seek professional help. You have have a short circuit in your output stage and your Onkyo is going into protection mode to prevent further damage. The least you can do is to switch off speaker A and B and try switching on the Receiver. If the then the system turns on you have an external shorting in the speaker wire or speaker itself.

Apr 11, 2011 | Audio Players & Recorders

1 Answer

I CAN'T GET MY ONKYO HT-R340 AV RECEIVER TO TURN ON, IT WAS WORKING FINE , STANDBY LIGHT IS ON BUT DOES NOT TURN ON. ANY SUGGESTIONS?


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

Sep 09, 2010 | Onkyo HTR500 Receiver

1 Answer

Receiver display started scrolling fast through set-up options on it's own and then stopped scrolling with "V1 PLX Movie" in the display and none of the front panel buttons including the power switch have...


Try this, but you'll lose any presets and setups.

To reset the AV receiver to its factory defaults, turn
it on and, while holding down the [VIDEO 1] button,
press the [STANDBY/ON] button. “Clear” will
appear on the display and the AV receiver will enter
Standby mode.

Jun 09, 2010 | Onkyo HT-S790 Home Theater System System

1 Answer

Have ajustments all screwed up


If you can’t resolve the issue yourself, try resetting
the AV receiver before contacting your Onkyo dealer.
To reset the AV receiver to its factory defaults,
turn it on and, while holding down the [VCR/DVR]
button, press the [ON/STANDBY] button. “Clear”
will appear on the display and the AV receiver will
enter Standby mode.
Note that resetting the AV receiver will delete your
radio presets and custom settings.

Feb 10, 2010 | Onkyo HT-S9100THX 7.1 Channel Receiver and...

1 Answer

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.

Dec 04, 2009 | Onkyo TX-SR501 Receiver

1 Answer

Onkyo HT-SR800 won't turn on


If you call Onkyo directly, 201-785-2600, there is a procedure to "reset" the system, something like holding the power button on and holding down another button for a few seconds. Can't remember which, so I can't be sure, but try giving them a call.

Jan 02, 2009 | Onkyo HT-SR800 System

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