Question about Toshiba SD-KT50 System

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Sd 43ht toshiba

I got an sd 43ht toshiba home theater, every  time i turn it on shows a message "protection" "good Bye" and turns it off, how can i fix the problem.


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Re: sd 43ht toshiba

Call Toshiba and they will help you, they know about the problem Call 1-877-290-6064 Hope it helps.

Posted on Jul 04, 2008

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  • 93 Answers
Re: sd 43ht toshiba

In most cases "PROTECTION" message appears when something is improperly connected to system. Try to disconnect everything, and reconnect it step by step.

Posted on Oct 11, 2007

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4 Answers

Protection...Good Bye!

well after taking apart my unit, i found that fan is not moving the air flow, so i turned it around and for 3 days now it has been working like new

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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.

Hope this helps!

Jun 13, 2009 | Samsung HT-Q70 Home Theater System System

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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!

Sep 20, 2008 | Samsung HT-TQ85 Five DVD 5.1 Channel Home...

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"Protection Error"

the DVD is blocked in PAL system, ¿ How I can the DVD in NTSC system ? the menu is blocked. thank

Sep 24, 2007 | Toshiba SD-43HTS System

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Protection Error when switching on SD-43HK

You will need to get a service manual and trouble shoot what amp. circuit is defective. if you have no solid state printed circuit board experience, you really should take this unit in to a repair shop and have it estimated. There is no quick fix for this unit. Good Luck.

Mar 14, 2007 | Toshiba SD-43HTS System

1 Answer


It seems the unit has a thermal overload issue. It could just be an adjustment, or a defective part is going bad. Also try and check all the speaker wireing for pinches or shorts. Also have the speakers checked as maybe one is going bad and overloading the output stage. If you do all these things and it is still shutting down then you have no choice then to have it tested on a bench at a repair shop or replacing it. Good Luck PS Please dont forget to rate this thread.

Oct 23, 2006 | Toshiba SD-KT50 System

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