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The system turned off because the protection system turned on, how do I turn it on?

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Resolve the problem it's trying to protect itself from.


Generally speaking, an amp protects itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.


Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Posted on Apr 10, 2011

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1 Answer

When i switch on it will appear protection and goes off


Disconnect all speakers and turn the system on. If protection turns on immediately, there is an internal problem. You will have to open up the main unit and check for defective components and poor solder joints. Keep checking operation without the speakers connected until protection stays off on startup

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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

I turn it on and it says protect then it turns off


Disconnect the speakers and turn it back on. If it still says "protect" it needs serviced. If not, turn it off and re connect one speaker at a time and turn on. If it goes back into protect, you need to check the speakers themselves for an internal short or a blown voice coil. If you have a multimeter, check the impedance on the speakers or the resistance on the speakers. If the meter reads 1...... the speaker is more than likely bad. If you need further help, post a comment and I can help you further.

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1 Answer

How to remove wave protect in spds


Use the following procedure to turn off wave protect:
1. Power on while holding SETUP and WAVE ("Welcome to SPD-S", followed by "wave protect off" will show momentarily in the display).
Note: Repeat the procedure to turn wave protect back on.

Apr 17, 2010 | Roland Spd-S Sampling Percussion Pad...

1 Answer

PROTECT MODe


reed the users manual...does it say anything about the protect mode ?

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Pushed power protect


speaker protection turned on.it 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.
nuwan

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1 Answer

PROTECT


Well for the issue of the audio it usually protects when you are approaching the maximum that the internal workings of the system can handle. This also happens when it is overheating. Try to limit your maximum usage of the system to 5-10points below may.

Feb 26, 2008 | Sony DAV-S500 System

1 Answer

Protect mode


Hi ,
Does your unit go into protect mode without speakers connected?.
Jango

Feb 08, 2008 | JVC HX-D7 Shelf System

2 Answers

Amp keeps turning itself down - cant turn off 'protection'


yes,pls.stop plugging the system,you may harm your system if you do so,the system has it's own system analysis mode,and if there's something wrong in the circuitry,it will activate,you need the authorize service center my friend,it's a technical problem.

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4 Answers

"protection"


I ran across this problem before, the only solution the guy found was resetting the receiver, here''s how to do it:

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