Question about Onkyo TX-SR576 7 Channels Receiver

1 Answer

Sr576 standby light blinking

Even i dont have any cables nor speaker connected to the back of my reciever unit turns off and standby light keeps on blinking. Sometimes power up normaly but at the end it turn itself off and standby light strart to blink.

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  • Onkyo Master
  • 924 Answers

Most likely, you have DC Offset(a bad amplifier). The unit is shutting down to protect your speaker system, as well as protect the unit from any further damage. If you require more assistance, or would like to inquire about repairing your Onkyo, please visit my website at audioserviceclinic.com. You may contact me there. Thank you.

Posted on Dec 23, 2014

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

Hi there,
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Good luck!

Posted on Jan 02, 2017

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ABRsvcs

  • 4234 Answers

SOURCE: Onkyo TX-NR905 Protection Circuit Activated

The problem is not with the inputs. This unit is in protect because a problem has been detected in the output section. Try disconnecting the speaker wires and turning it on. If the unit remains on, there is a short in one of the speaker wires. If the unit still shuts down, there is an internal problem that will require repair. It sounds like this is a new piece. If so, it should be covered under warranty.

Keep us posted,
Dan

Posted on Jul 28, 2008

Anonymous

  • 5 Answers

SOURCE: blinking standby mode light

With the unit unplugged, remove the top cover and use an ohmeter to check the 10 power transistors on the large heat sink; Q6050 thru 54 and Q6060 thru 64. If you find blown transistors (R<1 ohm from E to C) you'll need to replace them. Also check the large ceramic current sharing resistors, R6100 thru 04 next to the output transistors. These are dual 0.22 ohm, 2W resistors that typically fail open if overstressed. These are both common failures resulting from overloading the speaker outputs that will cause the proctection circuit to shut down the power supply at turn on. Good luck.

Posted on May 03, 2009

Anonymous

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

SOURCE: SX-SR604 KEEPS SHUTTING OFF

Los amplificadores de audio estan empezando a fallar.

Posted on Mar 23, 2008

petraman7

Scott Frye

  • 1175 Answers

SOURCE: blinking standby button

Hi...1st off ...make sure all the speakers are connected at both ends.
2nd..buy a new cat..one that doesnt drool.
If it's still stays in Stdby after checking speakers, It might have blown an internal fuse cause thats where those darn stereo people put them now.

Posted on Jan 14, 2009

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1 Answer

Standby light is flashing rapidly and I cannot turn on


Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Marantz-SR7002-Receivers-manual/id/6753ci475/t/2/

Page 81...


PROTECTIVE FEATURE


In some cases, the STANDBY indicator may blink slowly, twice per second. In this case, turn off the unit, unplug the power cord, and check the following points.


Make sure the speaker cables are not reversed and connected to the wrong sides (+ and -) on the unit.


Make sure the speaker cables connected to the unit are not shorted. (Check both the unit end and the speaker end.)


Make sure the volume does not exceed the level that the unit is capable of producing.


When using the unit in a rack or other enclosed space, heat may build up inside the unit and cause a fire. When installing the unit, be sure to leave suffi cient space between the top, back and both sides of the unit and walls or other AV components to prevent the internal temperature from rising.


After checking these points, plug in the power cord and use the remote controller to turn on the unit. Turn down the volume before resuming playback. Confirm that there are no problems with the speaker connections and playback performance.


If this symptom recurs, request service at your nearest service center.


In rare instances, the unit may enter standby mode and the STANDBY indicator may blink rapidly, 8 times per second. In this case, unplug the power cord and request service at your nearest service center.

Feb 27, 2011 | Marantz SR7002 6.1 Channels Receiver

1 Answer

My receiver DRA-395 turns on and in a few seconds it kicks off - the standby light remains blinking the whole time and after shutdown. it will not stay on. i unplugged it for a minute fiquring it would...


Try unplugging everything, including your speaker wires. It's possible that you have a damaged or crossed cable or wire causing a short that activated the receiver's internal circuit. It might have also reheated.

Let the unit sit for an hour. Plug it in (just the power), set the volume to minimum, and turn it on. If it stays on, the issue MIGHT be with a wire or connection, so you should examine all of the tires for damage or crossed connections.

Turn the receiver off, unplug it, reconnect the wires and cables. Plug it back in, make sure the volume is set to the minimum level and turn the receiver on.

Jan 18, 2011 | Denon DRA-397

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So I connected 8 speakers to this system and I might have blown it out. when i connect it the red standby light comes on. then when i press the power button the screen goes blank as if turning on but...


Audio output shorted out or blown fuses in power supply check all fuses if fuses are good your Audio out put transitors or I.C has been shorted out as a result of impedence over load in future dont connect speakers in parallel in those small Audio units.

Natureisland technician

Commonwealth of Dominica

Nov 06, 2010 | Sony CMT-HP7 CD Shelf System

1 Answer

When i power up the reciever and watch tv the reciever turns off and the power button blinks red. I unpluged the reciever for 1 hour and put it back on. nothing changed. i even unpluged the speaker wires...


You have an internal short in your receiver could be power supply or most likely a output transister. There is a code to the blinking red light check your manual it may list the number of blinks with problem. However its not a simple fix. plus make sure HDMI cable is unplugged when reseting receiver if this cable has a short it may cause it to. Sorry to hear the bad news, nice receiver
GOOD LUCK....

May 24, 2010 | Denon AVR-1508 Receiver

1 Answer

I keep getting a Protector reding on my screen and it will not let me do anything. What do I do to fix this?


Try disconnecting everything (speakers cables, signal cables, all other units) except the power cord, then turn the unit on, if the protector message persists, then the fault is in the reciever.

If this is the case, you should check the speaker and signal connectors for any damage, shorts or loose solder contacts, also check the unit for any shorted or broken wires, loose wire connections, bad solder contacts on connector pins, bad solder contacts on ANY other components (give some extra attention to the components that tend to warm up while they operate, like main power amp transistors / ICs, voltage regulators, power resistors, diodes, also coils, capacitors, etc). Any loose solder connections should be resoldered.

If there's no message when you've disconnected the outside equipment, you have either a bad speaker, a bad speaker cable, a bad signal interconnection cable, or a fault in any of the units that were connected to the reciever. You can find which one is the cause by turning the reciever off, then connecting one cable or unit, turning the reciever on again, see if there's a message, if there's none, turn it off again, connect the next unit / cable and so on, until you get the protector message. The cable or unit that will make the message appear is most probably the cause for the trouble (there might be loose solder connections on other units' cable connectors or other components). When you plug and unplug the cables many times, with time this will loosen the solder connection on the pins inside the unit, so these need to be resoldered.

Hope you can find out what it is.

regards

3rq8 (Triarcuate)

Aug 08, 2009 | Sony STR-GA8ES Receiver

3 Answers

What is the master reset code for the denon avr 1508?


Turn the unit off by main switch (not a standby button).
Press and hold "Speakers-A" and "Speakers-B" buttons and turn on main switch.
Display blinks.
Release the buttons after 3 seconds.
Receiver is reseted.

Jul 20, 2009 | Denon AVR-1508 Receiver

1 Answer

Blinking standby button


Hi...1st off ...make sure all the speakers are connected at both ends.
2nd..buy a new cat..one that doesnt drool.
If it's still stays in Stdby after checking speakers, It might have blown an internal fuse cause thats where those darn stereo people put them now.

Jan 09, 2009 | Onkyo TX-SR605 Receiver

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Reciever not working


Are all the speakers GOOD and all connected right?
If so then you have at least one blown output amplifier module.

Feb 16, 2008 | Sony STR-DE345 Receiver

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Onkyo HT-R501 7.1 reciever issues


i have the same problem with a onkyo tx ds494

Jan 05, 2008 | Onkyo TX-SR605 Receiver

1 Answer

Standby light blinking -unit won't stay on


When it is on, does any audio come out of the speakers? If so, you may have a problem in the protection circuits. If no audio is heard, I would first check the speaker wires to make sure there are no strands shorting across the terminals, and that you have the it selected to output audio to the speakers -- Now also be sure to check the various inputs, for instance if it has a FM receiver, select that and see if any audio comes out then as well. I don't know what the cable guy could do other than knock loose a wire or change connections on you.

Jan 13, 2007 | Onkyo TX-SR500 Receiver

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