Question about Samsung HT-DB390 System

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"protection" whenever i try to turn it on, it says "protection" then it turns off right away by itself. anyone know how to fix this problem?

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

Posted on Jan 30, 2006

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Posted on Dec 16, 2009

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I have the same problema =S

Please help!

Posted on Sep 20, 2008

Whenever i try to turn it on, it says "protection" then it turns off right away by itself.

anyone know how to fix this problem?

Posted on May 17, 2008

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Posted on Jan 02, 2017

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SOURCE: problem "protect"

tenho um problema no meu ht-tz315 que diz proctec

Posted on Sep 13, 2010

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Can anyone help

What size is the amp and how many watts is the speaker(s) you have it ran too? If your speakers are trying to pull too much power from the amp it will turn itself into protect mode to keep from blowing a fuse as well as if you are pushing to many watts into small small speakers it will do the same to protect from blowing the speakers I would recommend turning the settings on the amp down slightly and then trying it out also make sure your wires arnt crossed adjusting the setting as it plays is the easiest way to fix the problem also make sure the bass isn't all the way up on your head unit

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I have a harman kardon avr 645 and whenever i go to turn it on it shuts right back off, would anyone know what it would be? thanks in advance

Generally speaking, an amp attempts to protect 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.

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Sounds like your motor and/or pulley assembly are bad. Try turning the drum by hand. If it turns with some effort then you may have a drum bearing going bad. Does the squeaking sound start right away? Or does it start when the dryer warms up? If so then the bearing is going. If you can get to it spray WD40 for a quick fix.

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sounds like your internal protection is being activated. either your speakers are connected wrong, or you have the volume up to loud, or there is something wrong in the unit itself and it should be fixed by someone who knows electronics

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In auto If it does not fire the flash bulb or flash board in camera will need service. In auto it will fire all the time as a fill flash.

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Problem "protect"

Hey guys, just had the same problem and found out it was because I had disconnected the central speaker. This it was creating a back impedance or something and reonnecting did the trick! i.e. check your speaker connections and check that they work... duff speakers could cause the problem too!

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sounds like a deflection/convergence fault.requies service

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Yamaha Receiver shutting itself down

First of all, make yourself sure about the issue that the impedance between your amp and the speakers is fine. If it is so, the problem must be caused by some blown capacitors. The main reason could be surge or something. You had better call Yamaha service, and get your amp serviced.

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