Question about JVC MX-KA3 CD Shelf System

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Protect I have a JVC MX-KA3 stereo system, and it was working fine until one day, PROTECT shows up on my screen. I tried taking out the speakers, and also putting in my headphones, yet there is no solve. It just goes straight to PROTECT as soon as I turn the system on. Any solves? Chase McKinney Charlotte, NC

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  • Anonymous Mar 17, 2008

    Need to fix protect mode on JVC MODEL MX-KA3

  • Anonymous Mar 17, 2008

    My JVC MX-KA3 CD Shelf system went into protect mode, need to know how to fix it

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My remote wont operate the system--- have to unplug to get system to come on ---cd compartment wont open my e--mail--dot.priddy@yahoo.com----phone --502-802--9553

Posted on Jul 10, 2011

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How do i get protect mode off on a jvc-kd-r310


Are you a technical person? If so, reply. Otherwise it is advisable to take it to a service center.

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My JVC car stereo display " Protect " on display


FIRST PRESS THE RESET BUTTON BEHIND THE FACE IF DONT WORK CHECK ALL SPEAKER WIRES SOMETHING MIGHT BE TOUCHING

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My stereo won't work. Whenever I try to turn it on, it always turns off saying "protect." How can I fix this?


The protect has come on because it senses an output load problem, Turn the unit off, unhook the speakers and wires from the stereo, now turn the unit on and turn the volume down as far as it will go, this should reset the processor ic, if the word protect stays off you have a short in the wiring or bad speaker. If the protect comes back on with everything unhooked the problem is in the audio output ic pack in the stereo and will require a technician to remedy.

Jan 17, 2011 | JVC MX-KC58 Shelf System

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Protect on display and nothing works


probably your stk output ic is faulty.....................................nacho

Jan 07, 2011 | JVC MX-KA3 CD Shelf System

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My JVC mx-gc5 stereo says protect and then shuts off


If protect is coming up on the display, it means the system is detecting a short somewhere on one of the speakers and so is turning the amp off to avoid damage.
Check all the connections at the back of the amp to ensure they are not shorting, and at the back of each speaker, if nothing is found there, check each wire for damage (like squashed or rodent damage).

Dec 12, 2009 | JVC MX-GC5 CD Shelf System

1 Answer

Machine 'protect' msg


his appears to be a very common problem here on the board. It means the unit has shut off the outputs because of either a bad speaker or shorted wire, or some failed part in the amplifier. If the trouble continues after you disconnect the speakers, the unit will require service to diagnose and replace the failed part(s).

I've never worked on this model, but in many brands the amplifier integrated circuit is a common failure. They are often not properly mounted for efficient cooling and burn themselves out. Another typical failure is some power supply part that is under-rated and just goes bad, and this is showing up as the protect failure.

Without a diagram and no direct experience, I can't suggest any specific action you could take, other than checking with a local shop for a repair estimate. (You might try contacting JVC on their website or by phone to see if they have any service bulletins. If something becomes a chronic issue, the manufacturer sometimes extends warranty service to cover the repair. Never hurts to ask!)

Feb 12, 2009 | JVC MX-KA3 CD Shelf System

1 Answer

'PROTECT' MSG EVERYTIME TRYING TO OPERATE


This appears to be a very common problem here on the board. It means the unit has shut off the outputs because of either a bad speaker or shorted wire, or some failed part in the amplifier. If the trouble continues after you disconnect the speakers, the unit will require service to diagnose and replace the failed part(s).

I've never worked on this model, but in many brands the amplifier integrated circuit is a common failure. They are often not properly mounted for efficient cooling and burn themselves out. Another typical failure is some power supply part that is under-rated and just goes bad, and this is showing up as the protect failure.

Without a diagram and no direct experience, I can't suggest any specific action you could take, other than checking with a local shop for a repair estimate. (You might try contacting JVC on their website or by phone to see if they have any service bulletins. If something becomes a chronic issue, the manufacturer sometimes extends warranty service to cover the repair. Never hurts to ask!)

Feb 12, 2009 | JVC MX-KA3 CD Shelf System

1 Answer

System automatically shuts itself off after a few seconds.


I have no Idea, I have My JVC system sitting in a closet. I got it in 2004, and It was working fine, and all of a sudden it stopped and went into protect mode. I have no idea what to do about it.

But this is what I did.

I unplugged it and I let it sit for 24 hours to see if it would Reset the microprocessor, that did nuttin'. So I took it apart ^_^ That was fun! and I checked all the wires for loose connections, and I made sure te cables were in there tight. My unit is a pretty old though, I have a surround sound system, but usually a good blast of canned air may clean the circuit board and the components.

Cheers!

Mar 03, 2008 | JVC MX-KA3 CD Shelf System

1 Answer

MX-KA3 SAYS PROTECT


I need a little help on this one. Did it go into protect after the move or was it in protect mode before? If it went into protect after the move, did it get dropped or roughly handled? Sounds like something got knocked loose in the move. You should be able to open the unit up and check the connections. Reseat all connection whether they look loose or not. Sometimes it only takes a very small bump to get the connector acting up. After reseating all connectors, if it still does not work let us know.

Feb 09, 2008 | JVC MX-KA3 CD Shelf System

2 Answers

Protect


You've got a fried output no doubt. Need to go to the repair shop. Good luck.

Feb 06, 2007 | JVC MX-KA3 CD Shelf System

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