Question about JVC MX-G500 CD Shelf System

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"Protect" Message somebody know?

Everytime I turn my system on it says "Welcome" then says "Protect" after flashing a couple times it says "Good-Bye" I dont know whats going on anybody know that would be helpful thank you.

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Hi there,
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Posted on Jan 02, 2017



  • 1 Answer

SOURCE: hy i have the problem that when i turn the unit on

I have the same problem can you help me?

Posted on Oct 17, 2009


Joaquim Martins

  • 1127 Answers

SOURCE: system wont stay on

display a error?

Posted on Jan 08, 2010

Azrael SRL

  • 11800 Answers

SOURCE: everytime i turn my system on the word protect

A short somewhere, most likely to the speakers. Check their cables and how they are connected.

Posted on Feb 05, 2010

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Turn system on it say hello, protection then good-bye.. whats wrong????


Usually a protect fault will indicate a bad transistor in the amplification section. I suspect that the control circuit is sensing a fluctuation in the power supply and going in to protect mode. (assuming that the protect circuit itself is working properly) If a voltage is too high the unit will go in to protect mode to prevent damage to the speakers and the rest of the unit. I would take the unit in to a local repair shop and get a estimate of repair charges. Expect a 60 to 80 dollar repair charge depending on how many parts need to be replaced and what the repair labor rate is in your area.
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When "protect" appears on the front panel display, it means that the speaker protection circuit is in function. Visually check all your speaker connections at the back of the unit and at the back of each speaker as well. Make sure none of them are shorting out. If that is not the problem, turn off the unit, disconnect all speakers, turn unit on and verify that problem is gone. If gone, one of your speakers or wires are defective. If problem persists, the DAV-C450 internal circuitry might be in need of service. Never connect or disconnect speakers with the unit powered on. Hope this helps.


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