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Turns on says hello then protect then turns off

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Protect mode is a special diagnostic mode that starts when a fault is detected.

When in protection mode the unit will not start.


That means that there is an internal fault.

Try disconnecting power cord for ten minutes. Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection. Unplug also all other cables. Then restart the main unit with two speakers only.



Read more here: Display says Protect , and the unit does...

Posted on Feb 08, 2010

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1 Answer

How to take protect off a denon receaver


Hello. DC Protection is not something you can turn off. It is a protection system engaged by one of the microprocessors (computers) within your receiver. If any of the amplifiers are bad, and producing DC voltage at the output, the micro will immediately turn the unit off, to lesson further damage to the amplifier or speaker system. There can be other causes of why the unit's DC Protection relay is not engaging, but 90% of the issues, are related to amplifier damage.

Dave

Jun 15, 2012 | Denon DRA-685 Receiver

1 Answer

Turn system on it say hello, protection then good-bye.. whats wrong????


Hello,

Usually a protect fault will indicate a bad transistor in the amplification section. I suspect that the control circuit is sensing a fluctuation in the power supply and going in to protect mode. (assuming that the protect circuit itself is working properly) If a voltage is too high the unit will go in to protect mode to prevent damage to the speakers and the rest of the unit. I would take the unit in to a local repair shop and get a estimate of repair charges. Expect a 60 to 80 dollar repair charge depending on how many parts need to be replaced and what the repair labor rate is in your area.
Hope this helps.

Aug 09, 2010 | Samsung HT-DS610 System

1 Answer

When i turn it on it says protect and it turns off after that


Hello,

Usually a protect fault will indicate a bad transistor in the amplification section. I suspect that the control circuit is sensing a fluctuation in the power supply and going in to protect mode. (assuming that the protect circuit itself is working properly) If a voltage is too high the unit will go in to protect mode to prevent damage to the speakers and the rest of the unit. I would take the unit in to a local repair shop and get a estimate of repair charges.

Hope this helps.....



Jul 17, 2010 | Onkyo TX-DS696 Receiver

3 Answers

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 !

Nov 29, 2009 | Samsung HT-DB600 System

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Hello Protection Samsung HT-DS900


When your home theater's display reads PROTECTION, it means the home theater is over heating and the unit will shut down to prevent any damage. This can happen if the unit is stacked along with other electronic devices or the unit is in an enclosed area that prevents the unit from cooling properly. To decrease the chance of overheating, relocate your home theater to a more open area.



If the home theater display reads PROTECTION every time you turn it on, no matter where or how the unit is placed, it needs service. To set up service call Samsung Customer Care at 1-800-SAMSUNG (1-800-726-7864). Have your model number and serial number on hand to set up service.

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1 Answer

Toshiba sd-kt50 dvd player turn on open/close hello appears protection appears and goodbye comes up turns it self off. we had two second power offs not associated with a storm


the sudden power cut-off can either blow the fuse or corrupt the system of DVDs.but, some DVDs has protection for this occurrence.try not to use it for sometime.then if it's well rested try turning it on see if is resets it's protection circuit.if not, a new unit or call a technician for it.

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Dvd home theather system


The audio amplifier IC are fried and need to be replaced

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My virus protection is off and i dont know howto turn it on can you help me thank you


Hello, to turn your protection on, follow this:

1.- Go to Start >> Control Panel >> Security Center

Turn it on your protection from there. If you dont have an antivirus installed on your machine you can get one for free here:

http://free.avg.com

Remember to leave your feedback, thank you :-)

Oct 06, 2008 | Computers & Internet

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JVC XV-THA25


Fixed it by replacing a burned resistor.
100ohm 1 wat designation PR010 on the main pcb.

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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.

Dec 09, 2006 | Cambridge Audio Azur 540A Amplifier

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