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"PROTECT"flashing, no response, STR-SE391

Older SONY receiver, I know this is some kind of clipping device (young person was here blasting, oh you don't want to know) and, when this happened years ago, I think I just powered down then up again to fix it, not responding to this or pushing any buttons, also orange-red light under Set Up is steady on.
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  • andycdebaca Feb 07, 2009

    Thanks, I had feared as much. I don't know where you are, I'm in California at home 'cause that actor that runs the state is enforcing a day off without pay (my wife also works for the state-so double whammy for us) x2 for the next 18 months. Anyway, would you advise for replacing the parts or just getting a new one?

  • Anonymous Mar 29, 2014

    Sony fm am receiver Str GX 900 es no display lights are sound



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The audio amplifier IC are fried and need to be replaced

Posted on Feb 07, 2009


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1 Answer

Sony receiver stR se-501 found fuse burned after replaced turned on the flashing massage PROTECT come on . Did I miss anything?

Protect typically means that the fuse blew because something in your receiver went bad. It's now protecting your speakers from that badness. You need to get the receiver fixed or replaced.

Jun 16, 2015 | Sony Str-Se501 Stereo Receivers

1 Answer

Sony STR-SE391 disable protect

You can't disable the protect. If it's going into protect, that means there is a problem in the amplifier that needs to be repaired.

Jan 27, 2013 | Audio Players & Recorders

1 Answer

No sound. It flashes protect.

Your device has went into protection mode, an internal malfunction causes it to shut down in order to protect itself.
Somtimes a physical reset will help.
Turn of and unplug device fro a couple of hours

Feb 15, 2012 | Sony STR-DE345 Receiver

1 Answer

I have a Sony STR-DE125 Receiver. It is flashing "Protect"; even when no other wiring is connected to the system. What do you thin is wrong?

Please see the link below for an explanation of "protect" mode. If you have any additional questions, please post them here and I'll provide additional details.




Oct 17, 2010 | Sony STR-DE135 Receiver

1 Answer

Sony Receiver STR-DE310 flashing "PROTECT'

Replacing ouput transistors and probably a couple of resistors is best left up to a repair shop. The entire main board needs to be removed to access the solder side of the board, many screws and several connectors.

Jan 21, 2010 | Sony STR-DE310

1 Answer

As soon as i turn on my STR-SE391 reciver the protection is on

It is unlikely that the pushing of buttons caused the problem. The protect flashing means that a problem was detected and the system has shutdown to prevent further damage. The most common cause of this is a failure of the output transistors. Plan on a parts cost between $20-$40 for this repair.


Oct 31, 2009 | Sony Audio Players & Recorders

1 Answer

My Sony STR - DE310 flashes PROTECT

remote volume control is broke.

Dec 22, 2008 | Sony STR-DE310

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"Protect" flashing on STR-D665 Receiver

Check if you connect corectly the speakers wiresnand if they are right connected the audio amplifier Ic are damaged

Nov 28, 2008 | Sony STR-D665 Receiver

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Sony STR-DE698 7.1

in Sony receivers Protect display shows problem / fault in Amplifier output area. Qualified technician can repair the damage.

Sep 04, 2008 | Sony STR-DE698 Receiver

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