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Why is my jvc mx-k30r in protect mode constantly

Sterio when turned on automaticly goes straight to protect mode and cant use sterio

Posted by Anonymous on

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Posted on Jan 02, 2017

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SOURCE: how do i unprotect my JVC MX-K30R stereo. It is

Change the audio amlplifier IC damaged

Posted on Jun 24, 2010

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dunnbiker
  • 8546 Answers

SOURCE: how do i unprotect my

Resolve the condition which from which it seeks protection.

Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

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.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'nekkid'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Posted on Aug 22, 2011

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1 Answer

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Chances are that something is blown in the power output stages and units shuts down to protect against further damage.

Repair or replace, which ever is cheaper!

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Jvc home component mx-kb30 protect mode on


First check that the speaker wires are not shorting, if okay! the problem is in the audio output stage of the receiver, the protect mode comes on if a load is detected.

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How do i unprotect my JVC MX-K30R stereo?


Resolve the condition which from which it seeks protection.

Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

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.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'nekkid'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Aug 21, 2011 | JVC MX-K30 CD Shelf System

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I have a 1000 watt sony explode mx-2165gtx and i have 2 12inch rockferd subs all hooked up in my truck. i turn on the sterio and turn it up just a little bit and it goes into protect mode i cant figure out...


Sounds like you're overloading the amp. Which rockford subs are they exactly? I can find the specs and see if theyre just too much for the amp or you just have to hook em up to the amp different so the amp wont go into protect mode

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Stereo goes into protect mode


Protect is a safety feature so that you do not blow your speakers. However with it hooked up with the computer you may have surpassed the max output. If it still does this with out going through the computer, it has been damaged.

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Protecked mode?!


when i had this problem my wires were touching the case. other times the wires were touching eachother

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"Protect" message


It is most likely an amplifier problem. I had this problem before. It went into "Protect" mode and shut down. When I turned it back on, my left channel speakers made a buzzing noise and did the same thing again. I got it diagnosed at an electronics repair shop and they found that the two STK amplifier IC's were bad. One is about $106 and the second one is about $78. I got it fixed for about $200 and works basically like new again.

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Shuts off protect mode


i have a jvc stero and every time that i turn it on ...it show protect and shuts off!

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