Question about Samsung HT-WX70 Theater System

1 Answer

Unit shuts itself off after 10 -15 minutes

After 10 - 15 minutes protection scrolls across screen then goodbye appears and finally unit shuts itself off.

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  • Anonymous Jan 11, 2009

    David, The same problem occured, when I talked to samsung they put me thru all the stupid owner tricks, then abruptly told me they couldn't help at this time, gave me a number and I never heard from them again. Other than not working after 15 to 20 minutes it's a great unit. Thanks samsung for all your customer assistance.

  • oldgrunt Mar 15, 2009

    My unit also turns off for no reason after a few minuets. Unit is 2 months old.

    I wish I did not buy the 46" LCD TV simply because it's Samsung.

    They gave me a number and told me they would get in touch with me in 24.48 hours. It's been 2 weeks. Still nothing. I wanted to see how long it would take.



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  • Samsung Master
  • 19,396 Answers

Protect mode will kick in whenever a fault is detected.

You get the unit not powering up, and sometimes you hear a clicking noise, that is the protection switch that keeps shutting down the unit.

Causes that can start protect mode are:

Electrostatic harges on internal circuits.
Leave the unit unplugged for power for one hour or so, this will allow discharge.

Bad speaker wiring.
Check speaker wiring, try unplugging and plugging back, or start after removing one speaker at the time.

Internal fault.
Internal fault is the natural cause for protect mode. If all the above did not work, then the problem is a blown component or an internal fault. In this case the unit must be taken apart , tested and repaired by an experienced person.
If the unit is less than one year old, or if you want to get service, call Sony at the phone number listed on the product documentation.

Regards.

Posted on May 04, 2009

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U have a serious problem and the unit is shutting down to protect itself against further damage. Check the power supply and power output stages for bad parts responsible for the condition.

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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.

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Sony ht-sl5


If your problem is "switch on then after 10secounds shuts down and protect appears on the display .and cannot do anything with it but turn it off"

Then the unit is on protect mode, that is a special diagnostic mode that starts when the unit detects an internal fault.

To start unplug the unit from power for ten minutes, and see if this reset the protect mode, I guess you have done this already.

The first thing to do is to start the unit with nothing connected, if the unit does not go to protection, then the problem was one of the cables or a connected device.

If that does not fix it , there is a master reset , by pluggin the unit into main while at the same time you hold the power button.

If still no luck then the unit is defective and must be taken apart and tested with a multimeter.

You start checking for burnt areas on circuits, cold solder joints and leaking capacitors at sight, then there is need to grab the multimeter and do the real testing job.
When you find the problem you do the soldering.

Naturally this requires a certain experience in fixing electronics, to complete the job usually a precision soldering is needed.

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I have a samsung home theater system HT-X70. After 10 to 15 minutes the word protection scrolls across the screen then goodbye and finally the unit shuts itself off.


ther is dc voltage applying your speakers by amplifire itself and turn on speaker protection circuit itself.
it can be happens because
1.loose connection in amplifire board
2.faulty output section of amplifire
3.short circuit of speakers
4.error detecting circuit faulty.
if youcan open the cover and clean the circuit for dust and resolder the circuit with 30 W soldering iron cairfully.if you want the more asistence please come again
ican hlp you more.

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power amp problem are you familier with electronics?

then we can do more.
shall we?????

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Protection


Protection means the unit is detecting a short somewhere. Disconnect speakers and components and attempt to power on the unit again. If it will power on with nothing connected, repeat the process (turn off, connect something, then power on) until you find the bad component or speaker.

Jan 24, 2008 | Samsung HT-DB120 System

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