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When i turn stereo on it says protect - Sharp Audio Players & Recorders

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The protect mode is an indication that the unit has detected a problem in the final stage of the amplifier. This can be caused by a shorted wire as indicated by toddg, but one the short occurs, there usually is internal damage that the removal of the external short will not fix. This problem can also occur without crossing the wires because of component failure. If you can post the make and model of the unit in question here, I can give you the most likely defective parts along with their replacement costs.'

Dan

Posted on Oct 03, 2008

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This denotes a short in the wiring or a cross of the negative and positive polarity of the speaker wires. Check to make sure the speaker wires are not touching anywhere. This would be the most obvious place of the wire cross. Look for any fray or anything that is touching another cable.

Posted on Oct 02, 2008

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My stereo sysytem is a mini stereo: serial number 10200055. It currently says "protect", what is this and how do we return our system to normal operations?


Hi there,

When the word PROTECT appears on this display, this means the unit has detected a critical fault which could potentially cause harm to your stereo system.

The most common cause is a short circuit somewhere - something even as simple as loose speaker wiring could cause a short, triggering the Protect message.

You will need to determine if there is a possible short somewhere, so I recommend you start by firstly turning power OFF, disconnecting all speaker wires, then turn unit back ON.

Operate the stereo (without speakers) and turn volume up:
  • If Protect message appears when turning volume up, then stereo unit itself has an internal fault
  • If no Protect message appears, then suspect the speakers may be causing the issue.
  • Reduce volume and turn unit OFF
Re-connect speakers (ensure the connections are secure), turn unit ON:
  • If turning volume up triggers the Protect message again, there is an issue with the speakers or connections

Hope this helps.....

Sep 04, 2011 | Kenwood Audio Players & Recorders

1 Answer

Radio flashes (protect)cant get any stations at all


This is an indicator of an output load problem, turn unit off! remove the speaker wires from the back of the stereo, now turn power on and turn the volume down. If the word protect stays off there is a short in the wire or one of the speakers, but! if the word protect comes on " with the speakers and wires dis-connected " it indicates a short in the audio output ic pack in the stereo.

Feb 23, 2011 | Kenwood Audio Players & Recorders

1 Answer

My stereo won't work. Whenever I try to turn it on, it always turns off saying "protect." How can I fix this?


The protect has come on because it senses an output load problem, Turn the unit off, unhook the speakers and wires from the stereo, now turn the unit on and turn the volume down as far as it will go, this should reset the processor ic, if the word protect stays off you have a short in the wiring or bad speaker. If the protect comes back on with everything unhooked the problem is in the audio output ic pack in the stereo and will require a technician to remedy.

Jan 17, 2011 | JVC MX-KC58 Shelf System

1 Answer

Stereo


If your stereo is showing the protect display, it is an indication of a power shorting. This protection is to avoid serious circuit burnout and could be in the power output stages of the set. You will need to open and check for short in the output drives, the preoutput stages, the speakers or even the protection circuit amp.
It is important to address and check these sections with a votage check, elimination process too confirm the part. this may be a little tough and diffcult unles it shows easily on a continuity test. Helpful. Good day

May 31, 2010 | Kenwood Audio Players & Recorders

1 Answer

My jbl stereo wont turn on. when i turn my truck on it just lights up and then goes straight back off


Hi there Willieulin.
I wonder if the speakerwires are shorting the amp in the JBL stereo!
One or more speakers could be blown......
The protection circuit is most likely doing its job, protecting your stereosystem from damage.
If you have a extra amp connected to the stereo, check if it is wired right.
Try to turn the ignition key "only" so the lights on the stereo turn on. If you turn it further so you start the engine it most likely turns the stereo off.
If that happens the powerwires to the stereo are wrongly connected.
Luck with the problem.
Iceman.

Nov 04, 2009 | JBL SF25 Main / Stereo Speaker

1 Answer

Protect error on model # CD BA200 Sharp Stereo


If you are a technician desolder the Audio amplifier IC,and check if the stereo turn on but with no sound.If the stereo turn on the audio amplifier IC is in short circuit and need to be replaced.
Good luck

Jun 05, 2009 | Sharp CD-BA200 CD Shelf System

2 Answers

My sharp Stereo is stuck in '' protect'' mode


Protect mode is not something that a reset will fix. Basically it indicates that there is a problem with the final output stage of the amplifier. Normally this indicates that the output transistors are defective. In most boomboxes, the amplifier is a single IC. If you can post the model number, I can provide you with the required part and cost.

Thanks,
Dan

Mar 25, 2009 | Sharp Audio Players & Recorders

6 Answers

Security Code for Protect mode


Turn on the car so the radio is flashing "Protect." Look on the front / removable face of the stereo. On it you will find a small round hole - that's a reset button. Find a small paper clip, unfold the clip and stick it gently into the hole. The "Protect" will stop flashing, and Kenwood will be displayed. Unfortunately all your settings/presets will be gone, but at least the stereo is working again!

Apr 30, 2008 | Kenwood KDC-W3534A CD Player

1 Answer

Protect mode


i try to turn the stereo on a message saying "protect" comes up and then it shuts off

Apr 28, 2008 | JVC HX-D7 DVD Compact Stereo Audio / Video...

1 Answer

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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