Question about Onkyo TX-SR506 Receiver

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How do I fix my receiver if it is shorting out

Receiver keeps shorting out and goes to stand by mode what do I do?

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  • Official Brand Answer
  • 333 Answers

Please contact our Parts & Services Dept at the number listed below during normal business hours Monday-Friday 9am-5pm EST ; or via email at parts@us.onkyo.com. They can be contacted at 201-785-2600, option # 4 for Parts & Services as they can further assist you regarding warranty and service issues. You will need to speak with the Parts & Services/ Warranty department for any servicing options or resolutions available for your issue.

Posted on Apr 17, 2015

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  • Expert
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Units going into protect due to fault - try turning unit on without speakers if unit is ok check speakers

Posted on Dec 01, 2014

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Posted on Jan 02, 2017

tech48
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SOURCE: Onkyo HT-5500 Receiver goes into

This sounds like it has a microprocessor problem. Try unplugging it from the wall and leave it overnight. That will give the microprocessor a chance to reset and then try it again. If it continues to do the same thing, you need it serviced by a professional technician. I am sad to say, there are no easy fixes for a microprocessor problem.

Onkyo receivers are very good quality and are normally worth getting repaired. If it were junk I would tell you to just buy a new one. But even the very best equipment can fail. I have been repairing audio equipment for nearly 18 years and have never seen any brand that did not have some type of failures at some time or another. Onkyo's may not be the most expensive receivers, but they are some of the best engineered receivers I have worked on.

I hope this helps you decide what you are going to do, and hopefully after the micro is reset, it will work good again.

Let me know if you need any more help.

Dave

Posted on Jul 18, 2008

  • 4234 Answers

SOURCE: receiver keeps turning on and off also the standby mode blinks

The receiver is going into "protect" mode. This means that a problem has been detected and the unit shut down to prevent further damage. Without seeing the unit and taking some internal measurements, it is difficult to provide a complete solution. Typically, the output transistors fail which can cause this. There are other possibilities too. I would suggest that you get a detailed repair estimate from a local shop. With that information, we may be able to walk you through the actual repair.

Dan

Posted on Oct 15, 2009

  • 4234 Answers

SOURCE: Receiver goes to stand by when turned on. All

This is most likely a "protect" mode. A problem has been detected and the unit shuts down to prevent further damage. The most common cause of this are defective output transistors. Plan on a parts cost of $25-$40 for this repair.

Dan

Posted on Jun 15, 2010

  • 444 Answers

SOURCE: receiver desplay on my onkyo tx-sr 876 receiver keeps flashing and goes of arter it has been on for a while

Internal problem with amp, Might have been damaged buy a power (Surge)

Posted on Nov 03, 2012

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When the speaker wires were shorted it would have damaged the output and so there is a short in the output circuit thereby the amplifier goes into the protect mode. So remove the power and the speakers, reset and test again without the speakers. If the amp goes to the protect mode then you need to have assistance to check the boards within for a short. sometimes it is difficult to probe for a voltage check and so will need jigs to test.
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you have speaker wires that are shorting out. unhook all the wires and ohm them out. Find out which one is shorting. I've had this problem before. It's fine until you turn it up, Then the receiver turns off and goes into protect mode. It's just a short in the wiring,.

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Disconnect all the speaker wires at the receiver and turn it back on. If itdoesn't go into protect mode, your receiver is ok.

Reconnect the speakers one at a time being sure to turn the receiver off each time you connect a speaker and turn the receiver on until your receiver goes into protection mode again.

When it goes into protect mode again, the last speaker you connected has a problem. Trace the speaker's wire to the speaker looking for cuts or shorts along the way.

If you have a multimeter, switch itto ohms and check the speaker for a dead short, if you show a dead short you have a blownspeaker. Hope this helps.

--Matt

Oct 07, 2009 | Kenwood Car Audio & Video

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Is in protect mode


I don't have and I'm not familiar with this particular receiver model, but common sense tells me that your receiver is trying to alert you to the fact that you may have shorted speaker wires, and it has gone into protect mode, to prevent itself from blowing up.
Please check your wires at the back, or best yet, if your receiver has a test mode on the remote control, use it. It tests your speaker connections for shorts, for wrong polarity, etc. If this receiver has surround sound, and all speakers are connected, it goes round and round creating some white noise from all speakers as it goes, until you press the Test button again.
Should one or more be connected improperly, or the wires be shorted, it will display a message telling you so.
Good luck!

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Power shuts off after 2 or 3 sec.


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Stand By Mode


same here ,men , i start the tearing apart hehehe, and i think it can be one the little chip located behind the control panel so i remove the white ribbon, the one looking like an ide connector for a hard drive, and guess what it turns on, but when you connect the ribbon just goes back to stand by mode, maybe requires a flash on one of the little chips, same thing happen to a lap top that i use to have, just shorted 2 of the pins and start working normally, im gonna find more info but there sems to be nothing about this amp, high five from mexico men

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