Question about JVC MX-KA3 CD Shelf System

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MX-KA3 SAYS PROTECT

WHEN I TURN IT ON IT SAYS PROTECT WE MOVED IT FROM ANOTHER ROOM AND NOW IT JUST PLAYS A CD THROUGHT HE HEADPHONES HOW DO I FIX IT

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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.

Posted on Feb 09, 2008

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1 Answer

How do i get the cd component to open


The CD open/close button is the far right button of four beside the center control. It's marked with an up arrow. http://resources.jvc.com/Resources/00/00/33/76.JPG

Jun 22, 2014 | JVC MX-KA3 CD Shelf System

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Can this record cd's


Yes it can the blurb for it states: "Full-logic control, dual dubbing cassette deck with CD syncro start recording"

Mar 11, 2013 | JVC MX-KA3 CD Shelf System

1 Answer

My JVC CA-MXKA3 it say protected when i switch it on, i have also try to switch it on weout speakers but it still say the same thing. Please help me on what to do


http://www.retrevo.com/search?q=JVC+MX-KA3

Generally speaking, an amp protects itself from heat, shorts and overloads.


Overloads can be from excessive periods of high output 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 'naked'. 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 hands-on tech.

Jan 18, 2011 | JVC MX-KA3 CD Shelf System

1 Answer

Protect on display and nothing works


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

Jan 07, 2011 | JVC MX-KA3 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

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

1 Answer

System keeps sayin protect


The word PROTECT appears because there is a short. It can be in your speakers, try running it without the speakers plugged, or look if the wires arent shorting. If it stil ldoes that, its cause there is a short in it, from the output section. The system does that to prevent from damaging the electronic components inside.

Nov 17, 2006 | JVC MX-K30 CD Shelf System

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