Question about JVC MX-GT88 CD Shelf System

2 Answers

"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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  • taworri Nov 21, 2007

    When i turn the stereo on it automatically says protect in the screen, and you hear a click noise and it won't even turn off. You have to unplug it, its almost like a fuse is blown or something. If anyone has a suggestion or solution please let me know.

  • noelying Jan 03, 2008

    Hi



    I have the exact same problem with my MX-GT88



    Has anybody came accross a soltuion yet or know what is causing the sytem to go in "Protect mode"



    Thanks


  • weesnuggy May 25, 2008

    hi

    i also have the same problem,after about 2 mins it comes up with message"protect"and then switches off,any ideas asit is hardly used

  • nuuk Jun 03, 2008

    i have the same problem

  • farkos Jul 13, 2008

    When i turn the stereo on it automatically says protect in the screen, and you hear a click noise and it won't even turn off. You have to unplug it, its almost like a fuse is blown or something. If anyone has a suggestion or solution please let me know.

  • ricki_aguila Aug 26, 2008

    protect is on

  • taylorlab Dec 16, 2008

    i turn my stero on and when it hits a bass note it crackles says protect and then it goes into standby plz send me an email on how to fix it taylorlabadie@hotmail.com

  • Srmixalot1 Apr 22, 2009

    I have the same problem...i took the stereo apart and there are four fuses on the right side and three of them were blown and i went and got new fuses and they blew also and the fourth one blew...but after all of those fuses blew i put a 18 gauge wire on each fuse terminal to get a current to go through there and my screen still says protect when i try to turn on my system!?!?

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

Posted on Feb 03, 2011

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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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3 Answers

My onkyo tx-rz810 keeps going toDet.pretction mode how do I get it out of that mode


Does the display show you are in protect mode , or is a light indicating that? The unit automatically switches to standby when the
"Hardware" - "Power Management" - "Auto Standby"
setting in the Setup menu functions are set. The protective circuit function may have been activated.
If this has occurred, "AMP Diag Mode" appears on the
display when the unit is turned on again, and the unit
enters diagnostic mode. If the results of the diagnosis is
that there is no problem, the "AMP Diag Mode" display
disappears and you can use the unit normally again. If
"CHECK SP WIRE" appears on the display, the speaker
cables may be short-circuited. Make sure bare speaker
wires are not touching each other or the back panel of
the unit, then turn the unit on again. If "NG" is displayed,
immediately unplug the power cord from the wall outlet
and contact your dealer.
• The protective circuit function may have been activated
because the temperature of the unit rose abnormally.
If this happens, then the power will continue to turn off
after you have turned the unit on again. Make sure the
unit has plenty of space for ventilation around it, wait for
the unit to cool down sufficiently, and then try turning it
on again. This is out of your users manual.

General suggestions are to remove all speakers and speaker wiring with unit off. Turn on and see if problem has stopped. If not, let unit cool down if warm and try again later. If problem is still there it needs repair shop work. I fht problem went away, shut off power and connect one speaker at a time and testing. Keep adding speakers one at a time with power off and see if a bad speaker or wire set can be located

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Push Power Protector - Sony MHC-VX777 I am getting Standby message and push power protector .My music system was not operated


Hi!

This is what the manual says:

PROTECT"and "PUSH POWER" appear
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•A strong signal was input.
Press ?/1 to
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Hi, try powering up the unit with out any speaker connected if it still goes to PROTECT try factory reset if possible.
To reset the AV receiver to its factory defaults, turn it on and, while holding down VCR/DVR, press ON/STANDBY. "Clear" will appear on the display and the AV receiver will enter standby mode.
If this does not fix your problem you should take your unit to service . :)

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When i switch on my samsung HT-Z110 the word hello appears then protect thenit turned off!


Audio receivers have an output protection circuit called "protect mode", this is to protect the receiver from short circuit failures.The speakers and speaker wires are what I inspect thoroughly first, look for bare speaker wires,or bare wires that are touching each other at that point,check speaker wires at the back of the receiver for sloppy connections,etc.If all looks good then try disconnecting all the speakers at the receiver,then turn power on to see if it goes into "protect mode", if it does the the receiver probably has an internal short and will need to be sent in for service,if it doesn't go into "protect mode" then connect one speaker at a time back into the receiver until it does go into "protect mode" then which ever speaker you connected last is the speaker that is shorted(blown) and then you know that speaker is the problem and it will need to be replaced or repaired. Good luck !

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After turning ON the power/standby switch, the unit(receiver) display comes ON (green light) then after approx.4-5 seconds the display goes OFF and the unit defaults back to the standby mode (red light). I...


Is the red light flashing at first?
The unit may be going into protect mode. Lets hope it has done the job and the receiver has protected itself from failure.
Protect mode can result from speaker wires touching each other or the Amps2_bing.gif metal case. Check that first.
It can also be caused by unstable ohm loads if too many speakers2_bing.gif are connected to any of the outputs especially zone 2.
If you can remove all speaker wires and turn the unit back on. If it stays on, turn the volume down on the main zone and zone 2 if connected. Then reconnect speaker wires.

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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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Your receiver is basically going into protect mode.

The SR 605 contains a microcomputer for signal processing and control functions. In an unlikely event, it may cause it to lock up. Unplug the power cord from the wall outlet, wait for 10 to15 seconds and then plug it back again.

Please also check your speaker cabling again. Make sure that all of them are seated properly, none is touching each other or the body of receiver. Take out all the wire and put them back again if necessary..
Some times even a little tiny frayed wire touching the receiver could trigger the protect mode. Be careful, since protect mode is sometimes not fast enough and it could blown a few trasistors in the power circuit.
Just check your speaker as well....whether they play all right thru another receiver or amplifier. its posiible they might be shorting inside. A little frayed wire could also trigger the protect circuit in your receiver.
I hope this should solve your problem. If you still can’t resolve the issue yourself, try resetting
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To reset the Receiver to its factory defaults, turn it on and, while holding the [VCR/DVR] button, press the [STANDBY/ON] button. "Clear" will appear on the display and the Receiver will enter Standby mode. (note that resetting your receiver will delete your custom settings as well as your radio presets).

If everything else seems all right and still your receiver shut down when you raise the volume then it possible that there are bad connections on the main board that are set in.

This would generally happen if the system is slighly old or have dry solder and when you raise up the volume. This should be a simple repair that will not require parts. If you can solder, you will be able to repair this yourself. If not, then a local service center will change the local labor rate.

Hope you can sort out your problem with the above trouble shooting. Let me know if I can guide you further.
Best of luck. Thanks for using FixYa!

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Protect


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.
Dan

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