Question about Sharp Multi-System Mini Component System Shelf System

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Sharp cd player

Says protect on the display and wont turn on, i have uplugged it and plugged it back in and it just does the same thing. how can i fix this?

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Most likely cause could be a blown power amp IC.

Posted on Dec 19, 2007

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1 Answer

Cd player say's protect and will not play cd


If protect is coming up on the display, it means the system is detecting a short somewhere on one of the speakers and so is turning the amp off to avoid damage.
Check all the connections at the back of the amp to ensure they are not shorting, and at the back of each speaker, if nothing is found there, check each wire for damage (like squashed or rodent damage).

Jan 27, 2010 | Sharp XL-ES50 CD Shelf System

1 Answer

MY KENWOOD CAR CD PLAYER IS SAYING PROTECT??


Hi,

Kenwood head units show "protect" when there's a problem with the speaker outputs. This might mean a shorted speaker wire, a blown speaker, or an internal defect in the head unit. Once the condition that's causing the "protect" mode is fixed, the CD player should be back in normal mode the next time you turn it on.

If it's staying in "protect", then you'll definitely have to remove the stereo and do some troubleshooting to fix it. Many car audio stores will do system troubleshooting, for a fee. If you want to do it yourself, here's what you need to do:

Pull the Kenwood unit from the dash and disconnect all the speaker wires. Turn it on and see if the "protect" message displays. If it does, the stereo has an internal defect and will need to be serviced. If it doesn't, then turn it off, and re-connect one speaker. Turn it on again and see if it displays "protect".

If it works with a single speaker connected, keep re-connecting the others until you identify the speaker that's causing the problem. There may be a wiring problem or defective speaker in that location.

If it displays "protect" with a single speaker connected, then disconnect that one and try a different one. If all the speakers cause a "protect" mode, then you're probably back to a defective head unit, unless your friend managed to blow all your speakers at once.

Thanks,

Dec 09, 2009 | Kenwood KDC-319 CD Player

1 Answer

Sharp 5 disc cd player


Email i got from Sharp:

I do apologize for the problems you are having with your audio unit. The protect mode
indicator will appear when the unit detects abnormal resistance in your speaker setup. I
recommend removing any additional speaker wire that may be added to the unit to extend the
factory speaker lengths. Also, make sure you have all the factory speakers attached, and all
non-factory speakers removed. Finally, please unplug you unit from he wall for 1 hour after
checking all of the above suggestions to completely reset your unit.
If you are still having issues after doing all of the steps mentioned above, the unit may need
to be evaluated by a Sharp Authorized repair center.

Oct 28, 2008 | Sharp XL-MP60 Shelf System

1 Answer

My Sharp model no. CD-BA250 is displaying "protect". It will not turn off on or anything!! How do i clear it out to fix the problem.


Disconnect your speaker boxes. If the "protect" error goes, then the speakers or wires may be at fault. If the error remains, most likely the audio output IC is blown.

Sep 17, 2008 | Sharp CD-BA200 CD Shelf System

1 Answer

HELP


You have a blown amplifier IC in the stereo that must be replaced, that is what causes the protect error on the display. It is a good idea to take it to a repair center and have them do it if you are willing to spend about $125 to $150, depending on the rates of the shop, to have it repaired. Otherwise, you will just need to get a new one. There is no other way to fix this problem without replacing the amp IC.

Sorry for the bad news, I wish I could have given you an easy fix, but there just isn't one for this problem.

Let me know if I can be any more help.

Dave

Sep 06, 2008 | Sharp CD-BA150 Shelf System

1 Answer

Display read protected and wont do anything


Usually, protect mode is enabled when the speaker output wiring has shorted together or is touching ground/+12V. I would verify that none of the speaker wiring has come loose.

Mar 19, 2008 | Kenwood KDC-MP5032 - Car Audio CD MP3...

1 Answer

My audio system says protect on display


Hi Jean,

Without a brand and a model, best that I can provide are generic possibilities:
1. unplug the unit from the mains for a couple of hours. This is supposedly to reset most systems; and/or
2. check the speaker wires and make sure none of any bare wires are touching each other.

If your concern has not been corrected after completion of the above procedures, pls post back brand and model.

Hope this be of initial help/idea. Pls post back as requested, how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Feb 23, 2008 | Audio Players & Recorders

1 Answer

Says Protect on the screen when i plug it in


Most likely cause could be a blown power amp IC. The part number is STK402-040.

Nov 06, 2007 | Sharp Multi-System Mini Component System...

2 Answers

Sharp CD-BA300


An audio output IC may be defective. This set carries two output IC's.

Aug 14, 2007 | Sharp CD-BA300 CD Shelf System

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