Question about JVC MX-GT88 CD Shelf System

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"Protect" message When I turn on the system, the message "protect" appears and it goes right back to standby mode. I can set the clock, and that's about it.  I cannot play CD, radio, tape or go to Aux mode.  It does not stay ON.

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Re: "Protect" message

One of your negative wires are making contact with a positive wire. Very common issue.

Posted on Feb 03, 2011

Re: "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.

Posted on May 26, 2008

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Hello can u help me about my MHC-gzx55d sony hifi component, when you turn on the power, the screen display appear "PROTECT" what is the problem and what is the possible damage of my component. please help...

When it goes into protect mode it has been over loaded. Remove everything from the component and unplug the unit for a minute or two. plug it back in and see if it pops out of protect mode. If this does not work then you will need to do a factory reset or check the fuses on the inside of the unit.

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The system is always in standby mode and do not turn ON

The problem you are describing is typical of audio output ic problem when there is a high current load the protection circuit kicks in preventing further damage. But lets check a couple things! turn down volume, power off, and remove speaker wires from the back. now power on, if protection kicks in the audio ic needs to be replaced, if it powers up properly checks wires for shorts and speaker issues and hook up one at a time until protect comes on revealing the problem.

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According to Page 46 of the LBT-W5000 Operating Instructions:
"The display stars flashing as soon as you plug in the power cord even though you haven't turned on the system (demonstration mode).
Press DISPLAY (for LBT-W5000 / W300 / XB700 / XB500) or DEMO (STANDBY) (for other models) while the system is off. If the system is in the Power Saving mode, press POWER SAVE / DEMO (STANDBY) (for LBT-W5000 / W300 / XB700 / XB500). The demonstration appears automatically the first time you plug in the power cord, or if there is a power outage lasting longer than half a day."
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Check back speaker wires! this is protection mode! There is a short circut! look for stray wires touching metal or each other!
if this does not do it then unit will have to be fixed by a pro!
Please use the ratings and help keep this area FREE!

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Don't buy a stereo that prints up 'PROTECT MODE' and then does not tell you how to cure it. This is a good way of getting people to buy a new one only live and learn do not buy the same manufacturer again. I have a nice just out of warrenty JVC that when I switch it on sits there grinning at me with 'PROTECT MODE' showing. Yes I have entered cash protect mode and decided I am not going to buy another JVC.

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The protect message indicates that a problem has been detected in the final output stage of the amplifier. The most common failure parts are the output transistors. Plan on a parts cost between $15-$40. Add in the local labor rate for the total repair cost.

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Try plugging in a pair of headphones. I tried it without the speakers connected and since it found the headphones and they were OK the system came out of protect mode.

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

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