Question about LG BH9230BW 1460W 9.1-Channel 3D Smart Home Theater System

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"S-Protection" Displays "S-Protection" and switches itself off. What is "S-Protection"? What causes it? How do I fix it?

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I have disconnected all wires from the back of player, and it still turns off and says "s-protection". If I unplug it and plug it back in, it will work for about 30 seconds then goes off. Would that mean there is a short inside the unit itself?

Posted on Nov 23, 2015

  • 6 more comments 
  • Robert Rider
    Robert Rider Jul 10, 2016

    But I disconnected all the speaker wires, and it still does it. What inside would need to be replaced?

  • jellapig Oct 06, 2016

    thats great...thank u very really works...

  • Muhammad Bello May 15, 2018

    pls I'm experiencing the same problem, what would I do?

  • Ayobami Jun 30, 2018

    Hi, am experiencing same problem here how do I go about it nd I have disconnected the wire but still the same!!!. The most annoying thing is that I bought it online..

  • Robert Rider
    Robert Rider Jun 30, 2018

    Here's what I did to fix the problem. I threw the expensive piece of junk away, and I vowed never to buy an LG product again.

  • takan ignatius
    takan ignatius Oct 14, 2018

    hi am also experiencing the same thing

  • Sydney Wickliffe Jan 26, 2019

    I experiencing this very same thing

  • Ehlanaa Quinn Apr 01, 2019

    How to fix s protection problem please.


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That stands for speaker protection. Either you are playing the system too loudly, causing the amplifier or speakers to overheat, or there is a defective speaker or a short in the speaker wiring (where the two wires are touching each other).

Posted on May 25, 2014

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  • jellapig Oct 06, 2016

    it works...thanks

  • cannan cool
    cannan cool Aug 27, 2017

    yes it works thansks kannnan from chennai

  • Muhammad Bello May 16, 2018

    pls cannan cool can you give me the solution that worked for you on the 'S-Protection' issue


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Hi I am from Trinidad and Tobago my LG CM 4350 is saying S Proctec no sound what is my solution besides a repairman.

Posted on Mar 09, 2019

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Posted on Jan 02, 2017

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My lg mini hifi system displays s-protection then switches itself off

it could be a faulty component around the output amplifier or any short circuit on speaker wiring.try to disconnect speakers if still displays the same warning,take it to a qualified technician.

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Why is "PROTECTION" displayed, followed by shut off?

Even if it's not overheating, might have some circuit problem. suggest you to take you device to an electronic service or call a servicement, to check ciruits of your device

Even if it's a false alert, it's annoying because shuts off your system, so reason must be detected and repairde.

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Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

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If you open you sd slot and look inside with a sharp light , you should be able to see on the left side of the slot there is a little copper or spring steel lever switch. This switch work as follows:

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Contrary to popular belief ,the little tab on the sd card is not an electronic switch and does not physically influence the card operation itself. If you put a locked card into a camera without a sd lock switch , you would still be able to use the card normally.

It is incredible difficult to fix this switch because of space limitations in the sd card. Look into the sd slot and if you can see the switch , use a needle to pull the little tab down toward the base of the camera by about 2mm or until it works being careful not to bend it.

If this does not resolve your problem , there might be a short in the switch circuit and the camera will need to be disassembled to resolve this error. This should cost no more than $50.

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I ran across this problem before, the only solution the guy found was resetting the receiver, here''s how to do it:

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