Question about Sony STR-DE685 Receiver

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Sony STR-DE685 stuck in protect mode - Sony STR-DE685 Receiver

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: stuck in protect mode

Speakers shorted out, blew a fuse. Replace the unit or (cross your fingers and) open up the box and find the blown fuse.

Posted on Dec 05, 2007

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  • 1 Answer

SOURCE: Sony STR DB-930 Receiver jumping into protector mode

I went through the amp/receiver and used small star washers on all the grounding screws I could find including the one securing the transformer, cleaned dust off all circuit boards, checked output transistors and fuses, all OK.

Re Assembled unit and it worked OK.

I will buy a fan and fan it to avoid sourcing heatsinks for the previusly suggested IC's.

Thanks for the technical help, sure solved my problem.

Regards

Darryl.

Posted on Mar 13, 2008

  • 3 Answers

SOURCE: code for sony receiver model str d565 protect mode

If you need support you can log into:
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Posted on Jun 02, 2008

urnotjoeking
  • 5 Answers

SOURCE: StR-DE945 stuck in auto protect mode

I had a mechanical problem with the relay on the 1st power supply board. The relay right next to the small transformer. The blac cover for the relay just comes right off. Make sure that the little black plastic piece is still in position (you'll see what I mean when you open it.) and check the contacts on the relay.

Posted on Jan 24, 2009

ginko
  • 19396 Answers

SOURCE: stuck in protect mode

Protet mode is a special diagnostic mode that starts when a fault is detected.

When in protection mode the unit is prevented from starting by protection circuit, so to prevent further damage.

Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection.

Try unplugging power cable for one hour or so. then connect cable back and see if you get rid of protect state. Sometimes accumulation of electrostatic charges inside circuit capacitors can kick in protect mode. In that case unplugging the unit from main for some times can get rid of electrostatic charges, and reset circuits by draining power completely.
If that was the problem, you will not get Protect when plugging back power cable.

If you do all the above and still get Protect, then there is a real fault.

In that case the unit may be disassembled and tested to find the fault.

If that is the case I suggest contacting the manufacturer at the number listed on the owners manual, or asking a quote on repair to a local technician.

Posted on May 29, 2009

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1 Answer

Sony STR-DE685, home stereo, center speaker cuts out, as does left surround. tried everything. Worth fixing? or shitcan it?


It all depends on what's wrong it and if it's worth the price to fix it to YOU, doesn't it? If it's really broken only a tech can look at it and tell you the cost to fix it.


Have you eliminated the individual speakers and cables first? Or looked in the manual?

Mar 19, 2011 | Sony STR-DE685 Receiver

1 Answer

Heard a pop and receiver now displays "PROTECT." Is that a sign of death for this unit?


a lot ahve relays not fuses check speaker leads are not shorted,at the back make sure the spring clips (speaker wire holders) check the springs under the clip hav't shifted,check speakers(unhook all speakers,then mute

Dec 02, 2009 | Sony STR-DE685 Receiver

2 Answers

Why does the reciever keep saying protection


this is usualy do to a wiring fault
crossed speaker wires will do it also unconected speaker wires will do it
other than that it's internal

Jul 07, 2009 | Sony STR-DE685 Receiver

1 Answer

Sound only some out of 2 speakers at a time. I need all 4.


Here you go buddy:
http://www.docs.sony.com/release/STRDE685.pdf

May 19, 2009 | Sony STR-DE685 Receiver

1 Answer

Receiver stuck in protect mode


surely i can reset this myself without paying sony!

Feb 01, 2009 | Sony STR-DE545 Receiver

1 Answer

Protect mode turns the reciever off at fairly modest volumes


I Had the same problem.

It occurs when you have a speaker wire touching something that it shouldnt and and you are grounding out the system. The system is going in to protect mode to keep itself from being damaged

In my case I found that I had a couple of frayed wires from one of my back speaker terminals touching the wire on the other terminal. This was all it took. I re-inserted the speaker wires on that one particular speaker and made sure they were not touching and problem solved.

JPT

Jan 07, 2009 | Sony STR-DE685 Receiver

1 Answer

Output


When you change the selector switch, do you hear the relays inside the unit? Is your muting button activated (found to the lower left of your volume knob)? Do you have speakers connected to A or B or both?

Dec 23, 2008 | Sony STR-DE685 Receiver

1 Answer

Stuck in protect mode


Speakers shorted out, blew a fuse. Replace the unit or (cross your fingers and) open up the box and find the blown fuse.

Nov 23, 2007 | Sony STR-DE425 Receiver

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