Question about Sony STR-DA9000ES Receiver

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Protector check code 21 sony str-da9000es how to fix

I was hookin up the speakers when the wire touch and sparks after that protector check code 21 came on and wont comes off help please

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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welcomejee
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SOURCE: Sony STR-DE525 Protector mode

Hi,
Download service manual of STR-DE525 here and fix your receiver.
Must download all 4 files at web site.
Need further help, let me know.

Posted on Sep 24, 2008

Testimonial: "Thank you for the print. amp is back in working order!"

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  • 71 Answers

SOURCE: sony str-de525 system "protector" problem

You've blown it. It recognizes a potentally harmful situation and goes into protect mode.

Posted on Mar 15, 2009

VOTIT
  • 2071 Answers

SOURCE: audio protect keeps turning off my receiver (sony STR-DE597)

That is the common symptom of the defected STK-IC in power amp.section that busted already or just a loose connection.First try to resolder the pins of STK-IC and also all component parts joint in power amplifier section if its works! if not that is the time you replace it, so it works normal again.

Hope it may helps you...

Posted on Jun 08, 2009

  • 4234 Answers

SOURCE: Sony STR-DA3000ES PROTECTOR - CHECK CODE 11

There is a defect in the final amplification stage of the receiver. This may have been caused by a short in the speaker wires. The typical defective parts are the output transistors. Expect a parts cost in the $40 range for this repair. Any audio service shop should be able to repair this.

Dan

Posted on Sep 21, 2009

dunnbiker
  • 8546 Answers

SOURCE: Sony's STR-DE675 5.1 Channel Receiver - Speaker OFF problem

There's a button that turns the speakers OFF right above the headphone jack.

Get the manual: retrevo.com

Posted on May 21, 2010

Testimonial: "@dunnbiker Very true on assumptions! I've tried everything the manual suggests. Right now, nothing is connected to the unit, but upon power up, I get the SP:OFF display (which is not seen in the DEMO mode). I will try the headphone jiggling idea and see what happens."

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2 Answers

I have a Sony receiver model Str - de 435 it constantly flash Protector and I tried everything to fix this any ideas


The protector indicator usually indicates that one of your amplifiers has shorted output transistors. This is not a user repairable problem and the amp will have to be taken into the shop for service.

Mar 21, 2015 | Sony Audio Players & Recorders

1 Answer

Sony GX800ES protector


Make sure none of the speaker wires are touching each other. If they are, it will short out the stereo which triggers protection mode and cuts out all of the sound.

Sep 21, 2007 | Sony STR-GX800ES Receiver

1 Answer

My sony receiver STR-DE135 is showing a protector message


Check for shorted speaker cables, or even a bad speaker. I'd start by disconnecting all speakers, see if the indicator goes out. If so, try one speaker at a time until you find which channel is bad, and then examine the cables carefully for things like a stray wire strand. Less likely, but possible is a shorted speaker. If you disconnect them all, and still have the protector circuit on, it's an internal issue, and you're going to need a technician.

May 30, 2011 | Sony STR-DE135 Receiver

1 Answer

It flashes the word - protector


Hiya,
Disconnect all speakers at the receiver and power it back on. If it stays on, check all speaker wires and speakers for shorts (touching wires). If it cuts out, it needs to be serviced.
Regards
Mike

Mar 24, 2010 | Sony STR-DE625

1 Answer

PROTECTOR/CHECK CODE 21 COMES ON ONCE A WEEK OR SO.


STR-DA2000ES, STR-DA3000ES and STR-DA5000ES:

Doument Reference: E23914196
Subject/Description: "Protect 21" is displayed when connecting to speaker/powered subwoofer combo


SYMPTOMS
Protect 21 is displayed when connecting to speaker/powered subwoofer combination model such as the SA-VA7000ED. The problem was also found to occur when connected to the Definitive Technology POWER MONITOR 500 and POWER MONITOR 700 series speakers.
CAUSE
The DC detection circuit is triggered when the speakers are connected.
RESOLUTION
Add a 4.7k metal oxide film resistor across capacitors C1319 and C1329 located on the D-AMP board.

Hope this helps. =)

Oct 23, 2009 | Sony STR-DA5000ES Receiver

1 Answer

Sony STR-DA3000ES PROTECTOR - CHECK CODE 11


There is a defect in the final amplification stage of the receiver. This may have been caused by a short in the speaker wires. The typical defective parts are the output transistors. Expect a parts cost in the $40 range for this repair. Any audio service shop should be able to repair this.

Dan

Sep 21, 2009 | Sony Audio Players & Recorders

1 Answer

MySony str-da5000es is showing error code 11 and shut off by itself after few seconds.check and disconnect all speakers, unplugged power from wall and still showing error 11. am missing something in here...


error code 11 (protector) - According to the manual, 11/PROTECTOR means, "Irregular current is output from the speakers. Turn of the receiver, check the speaker connection and turn on the power again." Most likely, a strand of speaker wire is shorted to the chassis at one of the speaker terminals.
Hope this helps !

Jun 17, 2009 | Sony STR-DA5000ES Receiver

1 Answer

Sony amplifier STR DA2000ES protector code 22


go to your manual and repeat connection and setup and try with new cables because may be the cat bite something hidden from your eyes.

Apr 10, 2009 | Audio Players & Recorders

1 Answer

Protector mode SONY STR D1011S am fm receiver


I've had this happen, it's when you have speaker wires crossed.....

Dec 27, 2007 | Sony STR-DE945 Receiver

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