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ONKYO A-SV420 will not power on but standby lights up

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Posted on Jan 02, 2017

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SOURCE: Onkyo TX-DS777 Problem

man I think i have the same problem....
i push the power button but immediatly the LED turns off. I cheked the fuse but thats not the problem. Please if you solve your problem let me know...
my e.mail adress soy_robertog01@hotmail.com
sorry if you dont undersatnd me in some parts..im not very good writting english haha sorry..

Posted on Jul 29, 2008

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SOURCE: onkyo tx-sr500; power goes out; standby light blinks

Remove all Wires form speakers
Power on
Push Video1 + StandBy /On
appears Clear on display

Posted on Jan 26, 2010

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1 Answer

Sr576 standby light blinking


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.

Jul 22, 2012 | Onkyo TX-SR576 7 Channels Receiver

1 Answer

I have Onkyo HT510 receiver. does not turn "ON".


hi,
There is a standby transformer inside the Onkyo receiver at the mains input stage. If the standby transformer is faulty then the unit will not power on. There will be two transformers. One is big and the other is a small one. The small tarnsformer is the standby transformer. Which will be fitted on a small board where the power cable is connected. Replace the transformer to rectify this problem.
OK

Oct 15, 2011 | Onkyo HT510 Receiver

1 Answer

Onkyo tx-sr507. was listening to music and suddenly cut out. Will not restart despite disconnecting all speakers etc. standby light flashing


standby light flashing means that it has had a thermal meltdown given that the onkyo can not be that old i would contact onkyo support because our model should be under factory warranty

May 24, 2010 | Onkyo Tx-sr507 A/V Receiver

2 Answers

Onkyo ht-r670 receiver is new and will not turn on. red standby light is on. but no display. also remote doesn't have any effect.


I would check any fuses first. The power transformer could also be open.There is a stanby supply that provides 5 volts that is always on . This is what supplys voltage for the standby light and the cpu. When you press the power button the cpu trips the power on relay that provides the 120v ac to the main transformer. If the transformer is open nothing happens. Onkyp part # is 2301798. Check the windings for continuity.

Dec 31, 2009 | Onkyo Audio Players & Recorders

1 Answer

Receiver does not power on. standby not on either. receiver is the onkyo tx-sr501


The standby light should be on. If it is not, then check the main fuse. WIth the unit unplugged, remmove hte top cover and check the fuse by the line cord. If that is ok, then you will need to check the primary winding on the standby transformer. That transformer has a thermal fuse internally located and that sometimes gets blown due to a power surge. If you do not have the equipment to test this, get a detailed estimate from a local servicer. The standby transformer usually costs arounf $25 or so.

Dan

Apr 26, 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

1 Answer

Onkyo tx-sr500; power goes out; standby light blinks


Remove all Wires form speakers
Power on
Push Video1 + StandBy /On
appears Clear on display

Dec 22, 2008 | Onkyo TX-SR501 Receiver

1 Answer

Will not power up but stand by light is powerd up


I have onkyo tx-ds575 and i need to conect it to my tv and have audio from a LCD flat panel.

Oct 05, 2008 | Onkyo TX-DS575 Receiver

1 Answer

Power works but receiver will not stay on


The outputs are blown and will require repair.

Dec 17, 2007 | Onkyo TX-DS575 Receiver

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