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I've got a problem with my home theatre HT-c450 model when I swich on it says protect mode and it goes off

Posted by Luckson Bangie... on

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Anonymous

  • 624 Answers

SOURCE: Protect error

This is a failure of the power supply or the amp. In either case, this unit is one that the boards are available and should be replaced. The first thing you must determain is which board is bad.
I have been repairing these since they started making them, and can tell you that it is not an easy task to figure out which board is bad. You will need a multimeter, and then know how to use it very well. 
Sometimes you can get pointed in the right direction just by knowing what was happening when it went bad.
If the unit was working and you turned it off, then the next time you went to turn it on you started getting the "protect" message in the display, you most likely have a bad power supply board. 
If you were listening to the system and it just shut off on you and then when you turned it back on you got the "protect" message, then it is most likely the amplifier board.
There is one more thing to check before you ever buy a board for this unit. If the fan in the back is not turning when you turn the unit on, it may only need a new fan. Lets hope that this is your problem, it is cheap and easy to fix. The other options may be better for you to take it to a service center to properly troubleshoot The boards are a little expensive, but that is what Samsung does with these units, they replace the boards. Most all other audio equipment from all other brands do not even make the boards available.
Check the fan first, if you need the part number let me know, I think I may have a manual to look it up for you. If you want to try and check the boards, I may be able to help a little more, but this is a very difficult thing to do over the internet. 
I would appreciate it if you would wait until we are finsihed communicating on this problem before you rate it. 
Thanks,  Dave

Posted on Jan 22, 2009

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Anonymous

  • 1 Answer

SOURCE: my dvd home theatre system ht tx75 keeps shutting down

I didn't solve the problem,however i called sam sung and I will be sending it in for repairs under warranty.

thank you

Posted on Jan 28, 2009

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Anonymous

  • 1 Answer

SOURCE: rear check message on HT-TXQ120 samsung home theatre

Looks like it is to do with the rear wireless speaker. Now, my problem is over. Its gone. I first turned the reciever on and then turned on the rear speaker wirel less on. No rear chk in problem now. Hope this helps. R.

Posted on Apr 14, 2009

ginko

Ginko

  • 19396 Answers

SOURCE: SAMSUNG HT-TZ212 home cinema kit comes up with protect

Protect mode will kicking whenever a fault is detected.

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

Anonymous

  • 1 Answer

SOURCE: Samsung Home Theatre "Protection Error"

i've had a similar problem where the fan stopped moving and the system gave the usual "protect" error. i think the IC's burned out on the amp board since the error was no longer there when i unplugged it. i ordered a new board off ebey for $25 shipped. make sure this is the problem by unplugging both the power and data cables from the amp circuit (the board with the big heatsink) and starting it. if it says starts normally then the problem is the amp circuit

Posted on Sep 14, 2009

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The home theatre system LG HT904TA went in to protection mode. Mean that the receiver/dvd panel shown 'protection ' on the display panel. I have try to switch off /on but the 'protection...


If you've disconnected the speakers and the fault is still showing then the fault is internal with the Amplifier and it's shutting down to protect itself from further damage.

Your only solution is to remove the cover and have a look at repairing it yourself or take it to a repair shop.

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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.

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1 Answer

My home theatre system (sAmsung DVD home theatre system HT-Tx75)shuts down automatically after 10 minutes of listening to the radio...it says 'protection', then shuts off. i checked to see if it was on...


Hello,
Protection mode on a Samsung player most likely means that the unit is overheating due to a non or low functioning fan. Before taking it somewhere to be serviced turn the unit on and see if the fan in the back is functioning (it should be on whenever the unit is on). If it is not you can try gently blowing it out with a can of compressed air.
I am sure that you can have it serviced but it might be cheaper to purchase a new player.
Good luck and take Care,
-WN

May 06, 2008 | Televison & Video

1 Answer

We are trying to watch a movie on our new ht-tx72 dvd home theatre system...but it keeps shutting itself off and saying protection goodbye....what can we do to fix this?...it is getting frustrating now


Your ICs audio amplifiers are in short circuit thats why that legend are coming for protect your theatre of more damage you got to replace the ICs.Good luck

Apr 13, 2008 | Televison & Video

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