Question about Sony STR-DE310

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My Sony STR - DE310 flashes PROTECT

I need help with my receiver, I know it had to do with turning up the volume. It just went out on me and it wont stop flashing the word Protect, I check inside and everything seems to be normal

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  • ihatestuff Feb 17, 2009

    Me too??? my STR-DE310 wont come out of PROTECT mode. It should be called BROKEN mode and it should flash BROKEN in the display if you ask me...

    Help?

  • fanioguy Mar 20, 2009

    de310 flashing protest

  • danielklaric Apr 16, 2009

    havin' the same dillemas here only it came on as protect when it wants too...butthere is a remote volume that also don't work either.

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  • 3 Answers

Remote volume control is broke.

Posted on Apr 16, 2009

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SOURCE: 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.

Posted on Jan 21, 2010

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Why did amp indicate error and turn off?


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Dec 26, 2015 | Pioneer Audio Players & Recorders

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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

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

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/jason_77a19afa8d604dee

Feb 15, 2012 | Sony STR-DE345 Receiver

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SONY STR-DE445 UNLOCK CODE


Follow the steps below to troubleshoot if the word PROTECT or PROTECTOR is flashing on the A/V receivers display.

  1. Check the speaker wires and speakers for proper connections.
  2. Reduce the volume level. IMPORTANT: If the receiver is played back at maximum volume level it may enter the protect mode. Maximum volume listening will cause the receiver to run very hot and may drain the output capacitors.
  3. Disable the surround sound option if both the A and B speakers are being used simultaneously.
  4. Ensure the top of the receiver has proper ventilation to keep it from overheating.
  5. If the message only occurs when using a DVD player, the sampling frequency may be set too high. IMPORTANT: Some receivers provide compatibility with the higher sampling frequencies through alternate connections. Consult the owners manual for specific information.
  6. Unplug the AC power cord for about 1 to 2 hours to reset the output transformers.
If the issue is still unresolved, service may be required.

Feb 11, 2012 | Audio Players & Recorders

2 Answers

KDC-MP443U - flashes protect


I had the same Prob on my KDC 237. I hit the small reset Button on the front and it fixed it. Hope this helps.

Mar 03, 2009 | Kenwood KDC-135 CD Player

1 Answer

STR-DE445 Works, but goes into protect when you turn up/down volume


This is a piece of **** unit. Mine only works on the left side, sometimes. When those times are I have NO idea. It doesn't seem to play 5.1 correctly and it goes into speaker protect mode for NO reason. It is TRUE lemon !!! ..let me know if you have any other problems with this JUNK .....schafe1001@aol.com

Aug 28, 2008 | Sony STR-DE445 Receiver

1 Answer

Works, but goes into protect when you turn up/down volume


If its new call Sony and get service????????????

Aug 28, 2008 | Sony STR-DE445 Receiver

1 Answer

I have this unit but after i put the volume high


Posibly bad speaker. How many speaers are you running on this receiver?

Jun 01, 2008 | Sony STR-DE425 Receiver

1 Answer

Need help


Have you connected an extra pair of speakers?. (Thereby loading the amp stage beyond it's capacity)
Are the speakers connected to the unit the original ones the system came with or different? ( Speaker impedance, usually displayed at the back of the speaker cabinet must not be less than amp's specifications....6 ohms, 8 ohms)
If you're driving the unit excessively you're lucky this piece is equipped with protect mode, else your speakers and amp would have been fried by now.
One last possibility comes to mind: High volume causes vibration causing loosely fitted mains plug to rattle in wall socket calling "protect" due to improper feed voltage. Move the unit to another wall socket and ensure a tight fit into mains receptacle.

May 20, 2008 | Sony STR-DE197 Receiver

1 Answer

Protect keeps coming on


Hi;
I used to get this when my speaker wires were touching each other and my 3yr old cranks the volume to Max. Check your Speaker connections you might want to take it all out and redo. Hope this helps.

Apr 20, 2008 | Sony STR-DE545 Receiver

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