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My samsung HT-TX75 keeps shutting off in a few minutes saying protection.

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  • tslowik Dec 27, 2008

    I have the same problem, in addition burning smell is coming out from the unit. I'm two weeks after 1-year warranty. Trying to locate repair center to ask how much is the repair.



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Protection mode activated to protect from serious damage and please follow me.1-shut down your system2-make volume in low position3-remove all your connected speaker4-switch your system on and watch if it does not go to protect mode insert your speaker one by one until you find the bad one and change it and start with cable change first and then speaker itself-if it goes to protect mode you must call service center.

Posted on Jul 07, 2008

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1 Answer

When I turn my system on, it waits 5 seconds, says "PROT" then shuts itself off.


There could be a short circuit in one of the speakers. This would cause high current flow thru the amplifier and result in self-protect. Disconnect all speakers from the unit and try powering up again. If there is no PROT, then reconnect speakers one by one until fault found or all speakers are reconnected.

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There is a internal problem. Will have to be taken in for repair,

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My dvd player keep shutting down on me it says PROT and it shut down is there someone that can help me. HT-C463


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 'nekkid'. 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.

Check for loose speaker connections at the speaker as another possible root cause for intermittent shutdown.

Sep 08, 2011 | Audio & Video Receivers

1 Answer

I have the samsung HT-X70 model, and it continually shuts itself off, and in the digital window it will say protection - Good bye. it normally will not last more than 20 minutes without this happening


Heat.

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.

Check for loose speaker connections at the speaker as a root cause for intermittent shutdown.

May 21, 2011 | Audio & Video Receivers

1 Answer

I have an Onkyo HT-R680. I have noticed after about an hour or more while playing Xbox or PS3 the sound will start to cut in and out. 5 secs of sound, 5 secs no sound. Continually like that untill I shut...


I've been having similar problems. I placed small fan to better circulate air in the closet I keep it in and that has fixed the problem so far. So some sort of thermal overload, I suppose?

Feb 23, 2011 | Onkyo Audio & Video Receivers

1 Answer

HT-Z410 ~ 2 years old "chk fan" message 2 min after startup; then shuts down. Home repair? How to find new fan?


Maybe you shoulkdjust look at it to see if it's clogged up with dust. The manual says to leave 4" of clearance around the fan opening.

The manual...

http://downloadcenter.samsung.com/content/UM/200802/20080220095448484_HT-Z410-XAA.pdf

Live chat with samsung might get you a part number:
http://www.samsung.com/us/support/owners/product/HT-Z410#

email support:
http://www.samsung.com/us/support/owners/product/HT-Z410#

Call : 1-800-726-7864

Feb 05, 2011 | Samsung Audio & Video Receivers

1 Answer

Shuts down by itself


If there are no speakers connected and you still get the protection message, there is a problem internally. Exchange the unit while you can. The typical parts required to fix this problem will be over $75 US.

Dan

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1 Answer

SONY HT-DWW1600. WHEN GETS NICE AND LOUD TURNS ITSELF OFF AND SAYS PROTECT ON THE DISPLAY. HELP!!!!!!!!!!!!!!!!


It is getting too warm and shutting down to protect itself. This could be caused by insufficient ventilation or by shorted speaker wires.

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I have a Technics SA-AX610 receiver that says overload .


From the manual pg 27....... "The protection circuitry has functioned because the positive and negative speaker connection wires are "shorted," speaker systems with an impedance less than the indicated rated impedance of this unit are used or under severe use, such as loud volume, excessive power and in an excessively hot environment."

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