Question about Denon D-107 CD Shelf System

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Protection the message "protection" appears in screen and cant listen anything

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Re: Protection

Protection indicate that there is a problem in output section and its connection unplug all speakers and insert it one by one until you find the bad one.when you find the bad one change its cable first and check if the problem goen the cable is bad if not your speaker is bad and must be changed with another same one

Posted on Mar 31, 2008

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I have sharp cd pc3500 stereo system when i turn the power on the message on the screen shows PROTECT. I cant do anything nor any function work

Make sure the speaker wires aren't shorted together and that they are not freyed or cracked...the unit is in protect due to it's internal circuitry sensing a shorted output condition...this is in place to protect the unit should the speaker wires become shorted together. You can remove the speaker wires entirely and then turn on the unit to see if it comes on...if so then I would look at each wire carefully to make sure they look good..of course if the unit comes on and the wires look good then you may have a bad speaker component...Now, if the unit stays in protect after you unplug the speakers, then the unit probably has a blown audio output stage inside the circuitry and will need to be serviced.

Jan 05, 2011 | Sharp CD-PC3500 CD Shelf System

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What is "Press Power Protect"?

Hi Lois,
Stereo sytems have a protection circuit that alerts you by displaying "protect" when there is a electrical short circuit detected in the system, the most common short happens in a speaker, try disconnectig the speaker wires of both speakers(all speakers) at the back of the system, then play the CD or cassette player(although you will not hear anything with the speakers disconnected) and see if the unit goes into "protect" mode if the problem is still present then you have an internal short circuit and the system will need to be sent in for service or replaced(depending on age,repair costs). I would not recommend investing more than $80 into repairs. Now, if the unit does not go into "protect mode" then one of the speakers or speaker wires is shorted,be sure you check the conndition of the speaker wires before you replace the speakers, then you can replace the speakers(in a pair) and you should be back up and listening! Good luck and Merry Christmas !

Dec 03, 2009 | Sony MHC-NX1 Shelf System

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Jvc model system no. hx-d7

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!

Jan 23, 2009 | JVC MX-GT88 CD Shelf System

1 Answer


OK this is the protection mode! There is a short circut! unplug and check all back speaker connections making sure no stray wires are touching metal or each other ! if this does not help the short is inside of unit and will have to be fixed by a pro!Please rate my answer and help keep this area FREE! THANK YOU!

Jan 23, 2009 | JVC MX-GT88 CD Shelf System

1 Answer

Pushed power protect

speaker protection turned can be happend because of bad power amlifire section.can you remoove the powe ramp board with large heatsink.its very easy to repair.and i can help.

Jan 09, 2009 | Sony Multi-System Mini Hifi Systems / DVD...

1 Answer

Toshiba home theater SD-KT50SU shuts off "PROTECTION"

Ok what this means is that some wires are touching in the back of unit causing a short (your system is protecting itself) look for wires touching and make sure its hooked up right
This should fix ya!

Dec 13, 2008 | Sharp XLDV60H Shelf System

3 Answers

Hxd7 protect

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.

Jul 26, 2008 | JVC HX-D7 DVD Compact Stereo Audio / Video...

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Protection displayed and shuts off

The protect message indicates that the output amp section has a problem. Normally this requires the replacement of the output transistors or the output amp pac. Expect the repair cost to be about $20-$60 for parts plus the local labor rate.

Mar 22, 2008 | JVC HXC6 500-Watt Stereo System with 5-CD...

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Can't do anything - LCD screen says "PROTECT"

It may be that there is a problem with a fuse inside the stereo. It may say protect because the fuse has broken a connection that allows it to turn on. If the protect goe sup it is trying to help save the stereo from cooking its self, and give you a chance to get it fixed. If that is not the problem then it may be easier to just buy a new one, because a fix may be expensive if you don't have any warranties.

Jul 30, 2007 | Teac MCD-85 CD Shelf System

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