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Tx-sr503 shuts off - Onkyo HTR500 Receiver

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Posted on Jan 02, 2017

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SOURCE: Onkyo AV Receiver TX-SR503 While sleeping


Did you try reseting it?There must be a reset button at the back of your reciever.

Posted on Jul 03, 2008

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SOURCE: which remote control for the onkyo tx-sr503

Part # 24140607

Posted on Feb 06, 2011

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SOURCE: my tx sr503 power standby

If there is no power in your system then you have to check the fuse inside it. You can see the fuse in the board where the power code is connected. If fuse is faulty then there will be reason for the same. First of all you have to check the voltage selector. Select the voltage selector to the voltage of your household voltage. Then only power the system again.
After replacing the fuse then also there is no power then you have to chcek the standby transformer. You can see the standby transformer also in the same board ( a small pcb mountable type transformer) . To check the standby transformer is ok or not connect a multimeter in the pins of its power cord and measure the ohms. It should be bellow 2 kohms. if there is no continuity then the standby transformer is faulty. You have to replace the same. Without standby transformer the system will not switch ON or there will be no indication.

Posted on Jul 30, 2011

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Related Questions:

1 Answer

Receiver turns off

1) Return it.

2) It sounds like you have shorted the speaker wires. Redo the wiring ... and pay attention to your owners manual this time.

Jan 07, 2014 | Onkyo TX-SR503 Receiver

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

I looking for the HDMI input on the Onkyotx-sr503

it doesn't have one. The highest resolution inputs it has is component video. sorrry

Oct 02, 2011 | Onkyo TX-SR503 Receiver

1 Answer

Our dvd has no sound we think we need to reset it but do not know how

Any digital source must have its input assigned (page 31 of the manual). The DVD player has a role in this, too. Try another cable or input.

If you have the manual, crack it open and follow it's advice for your symptom. Then look at every indicator and control to evaluate how it fits into your desired listening experience. UNDERSTAND the receiver or you will forever have issues with losing the 'sound' because a seldom-used control got touched by mistake.

Register and download the manual for free at

If you still feel a reset is necessary look at page 57 or search the document for "factory defaults".

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 25, 2011 | Onkyo TX-SR503 Receiver

1 Answer

Sir, i have been using onkoyo hometheatre system 4 three yrs. model no sr503 .i have been lost d universal codeto operate d tv,dvd with same remote. i want code plz help me

You need to get the code from the manufacturer of the universal remote. If you take the battery cover off the remote you will see the model of the remote. All manufacturer's of remotes have web support and you should be able to download the manual with all the codes and instructions. If you can't find the manufacturer's site, post a comment with the Make and Model number of your remote and I can help you some more.

Jun 29, 2009 | Onkyo TX-SR503 Receiver

1 Answer

Amp protection mode

Disconnect everything from the amp except the power cord, then power on the amp. If the receiver still shuts down, your problem is inside the case and unless you can perform electronic repair yourself you will probably need to take it in for service. If it does not shut down with nothing connected, power it off, connect one speaker or component and power on again. Repeat the process until the amp shuts down and you may have found the bad speaker or other component.

Jan 01, 2009 | Onkyo TX-SR503 Receiver

1 Answer

Distortion/noise and buzz in front left speaker

Try to see if the reciever will make the buzzing/noise without anything connected to it except power, and speakers. Tune into a local radio station and see if the noise continues. If the noise has stopped, then you know there is an issue with the player or cable.

Dec 28, 2007 | Onkyo TX-SR503 Receiver

1 Answer

Onkyo TX-SR504 - Sound problem

Ooops, that did not work.  OK try  for download of manual in .pdf form, and English too!   Hope this helps.  Cheers,   Chris  :)

May 05, 2007 | Onkyo TX-SR503 Receiver

1 Answer

Treble and bass function

In looking through the service manual for this model, I see a Tone Switch that allows you to bypass the tone circuits, and it may be the one all the way to the left of your front panel. If that's not it, I would get out the owners manual and see what they suggest. I doubt that you actually have an electronic malfunction with your unit.

Jan 18, 2007 | Onkyo TX-SR503 Receiver

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