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After a short while watching TV, I get a poping sound and my receiver goes into protection mode

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  • 6,966 Answers

Hi,

An indication of "Protection Mode" is usually indicative of a systems error. The popping sound on the otherhand is made by a hardware failure, normally a capacitor or a transistor or IC cracking up. These are of course generalized response.

Should you need more specific information, pls post back brand and model of your unit.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FIXYA.

Posted on Feb 13, 2008

  • Louie  Role
    Louie Role Feb 13, 2008

    Nich, sorry for doubling up. Guess you posted while I was still composing. Cheers.

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1 Answer

Protect mode


The most common cause of this is that one of the speaker voice coils is shorted or the wiring to one of the speakers is shorted. Disconnect the speakers one at a time and see if the amp goes out of protect, if no change you have a shorted output circuit in the main amp section.

Dec 23, 2011 | Teac AG-D9260 Receiver

1 Answer

The receiver will be on for a while 5mins.or so, then it will make this loud sound as it goes into protector mode...what is this and how do I fix this. I have it connected to the TV, DVD Player, CD, VHS...


you have speaker wires that are shorting out. unhook all the wires and ohm them out. Find out which one is shorting. I've had this problem before. It's fine until you turn it up, Then the receiver turns off and goes into protect mode. It's just a short in the wiring,.

Dec 08, 2010 | Sony STR-DE835 Receiver

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When i switch on my samsung HT-Z110 the word hello appears then protect thenit turned off!


Audio receivers have an output protection circuit called "protect mode", this is to protect the receiver from short circuit failures.The speakers and speaker wires are what I inspect thoroughly first, look for bare speaker wires,or bare wires that are touching each other at that point,check speaker wires at the back of the receiver for sloppy connections,etc.If all looks good then try disconnecting all the speakers at the receiver,then turn power on to see if it goes into "protect mode", if it does the the receiver probably has an internal short and will need to be sent in for service,if it doesn't go into "protect mode" then connect one speaker at a time back into the receiver until it does go into "protect mode" then which ever speaker you connected last is the speaker that is shorted(blown) and then you know that speaker is the problem and it will need to be replaced or repaired. Good luck !

Nov 29, 2009 | Samsung HT-DB600 System

1 Answer

Protect appears on display on kenwood kdc 3034


Disconnect all the speaker wires at the receiver and turn it back on. If itdoesn't go into protect mode, your receiver is ok.

Reconnect the speakers one at a time being sure to turn the receiver off each time you connect a speaker and turn the receiver on until your receiver goes into protection mode again.

When it goes into protect mode again, the last speaker you connected has a problem. Trace the speaker's wire to the speaker looking for cuts or shorts along the way.

If you have a multimeter, switch itto ohms and check the speaker for a dead short, if you show a dead short you have a blownspeaker. Hope this helps.

--Matt

Oct 07, 2009 | Kenwood Car Audio & Video

1 Answer

Is in protect mode


I don't have and I'm not familiar with this particular receiver model, but common sense tells me that your receiver is trying to alert you to the fact that you may have shorted speaker wires, and it has gone into protect mode, to prevent itself from blowing up.
Please check your wires at the back, or best yet, if your receiver has a test mode on the remote control, use it. It tests your speaker connections for shorts, for wrong polarity, etc. If this receiver has surround sound, and all speakers are connected, it goes round and round creating some white noise from all speakers as it goes, until you press the Test button again.
Should one or more be connected improperly, or the wires be shorted, it will display a message telling you so.
Good luck!

Aug 21, 2009 | Sony STR-DE485 Receiver

2 Answers

Stuck on standby


Unit is in protect mode there are a few problems that can trigger protect mode the most common is blown channel (shorted outputs). Sometimes one of the 15v regulators may go bad causing imbalance of supplys triggering protect mode. Also sometimes a bad solder connection could cause unit to go into protect also. I work for Denon authorzied repair center in Michigan if your nearby and Shipping to Michigan is economical let me know kstahl65@att.net

Feb 13, 2008 | Denon AVR-1804 Receiver

1 Answer

Teac Problem


usually high b+ rail replace jungle caps first the reflow eht flyback
thanks

Feb 13, 2008 | Audio Players & Recorders

1 Answer

Cracking and poping with Yamaha surround sound system


Das TV make cracking and poping noise when you unhook it from receiver?

Sep 30, 2007 | Sony STR-DE197 Receiver

1 Answer

Goes immediately into protect mode


Yep. The wiring to your speakers or the speakers themselves have shorted out. You have a blown fuse. You'll need to either replace the unit or attempt to replace the fuse yourself.

Sep 10, 2007 | Sony STR-DE425 Receiver

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