Question about Samsung Ht-d5500 5.1 Channel Home Theater System With Blu-ray Player

1 Answer

Turn off protect mode

Nothing is connected to it. not even speakers.. immediately goes into Protect mode and powers off...

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Probably power supply board. Remove and inspect for burns - front and back. Can be purchased for $50-60 on line. Google the part number.

Posted on Jan 16, 2013

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Posted on Jan 02, 2017

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ginko
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SOURCE: Protect mode shuts down the receiver

If this happens only when connecting the receiver, chech the receiver cable. If the cable is fine, receiver connector at the back of receiver is faulty.

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

SOURCE: SAMSUNG DIGITAL HOME CINEMA SYSTEM MODEL HT-Z110

Maybe the audio amplifier Ic are damaged and need to be replaced

Posted on Aug 14, 2009

Warf135
  • 137 Answers

SOURCE: Protect

sounds like one or more speaker cables are either shorting or not connecting...I know you have checked all cables, but if it was defo ok in the other room, theres not much more that can be wrong. (i'm assuming that you turned the device off before dicsonnecting everything).

If you are using the same speakers, did a speaker get damaged in transit?

you can test your speaker cables and speakers with a basic Ohm meter..disconnect each speaker connection from the unit and test for resistance..should read similar ohms to what your speakers are (usually 6-12 ohms in home hifi). if any connection gives a significantly higher or lower reading, thats that culprit.

Posted on Oct 06, 2009

  • 2 Answers

SOURCE: HT-Z310 shuts down and goes into protect mode

Help! I have the same problem.

Dave
davetap409@yahoo.com

Posted on Oct 30, 2009

connertamago
  • 37 Answers

SOURCE: My HT-Z310 surround sound says protect

The amplifier has a bad channel, the power supply is bad, or the amplifier is drawing too much power.The speakers could also be wrong, if they are not the speakers that came ith th unit, they will need to be replaced. (Any speakers within the specs of the amplifier will work, so to that end the system is customizable. You can go to Samsung.com to find the amplifier's wattage per channel, but the speakers you get MUST be 3 ohms impedance.) I have an article/tip/how-to as to wiring multiple speakers to one channel.

Posted on Jun 20, 2010

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2 Answers

My Harmon kardon is stuck in protect mode


Disconnect all speaker connections and rca cables. Leave power, ground and remote wires intact. Try turning on again. If you still have a protection light your amp is faulty. Hopefully you have warranty. Double check all connections .A thumbs up would be greatly appreciated if this answer is helpful to you. Worth fixing.

Nov 19, 2011 | Harman Kardon Audio Players & Recorders

1 Answer

Sony STR-DE185 receiver powers up, but then goes into protect mode. what does protect mode mean and how can I get it off protect mode?


"Protect" is what it does when it senses a dangerous condition.


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 possible root cause for intermittent shutdown.

Jun 11, 2011 | Sony STR-DE185 Receiver

1 Answer

DENON UD-M30 CD Player is displaying the word PROTECT and will not function. Any ideas how to fix this problem? Many thanks.


HI:
Usually when a receiver goes into protect mode, there are several reasons, One is there is a bad speaker connected to the unit, this will cause the unit to to into protect mode, try disconnecting all speaker from the unit and turning it on if it does not go into protect then one of the speakers are bad. Another reason is the power output Amplifier IC is shorted inside the unit. Another reasons could be that speaker wires are touching each other and causing a short. Disconnect all unit connecting to the unit and try turning on, if it stays on and no protect then connect them including the speakers one at time until you determine which is causing the error. If it goes into protect with nothing but the unit on then the Output IC is bad and the unit needs servicing.

Mar 10, 2011 | Denon CDR-M30 CD Recorder

1 Answer

I have used the amp for a while running 4 speakers. the front are components, and 6x9 in the back. The amp worked great and was loud. The amp just stopped working one day when i turned it on. Turns on...


One of your speakers might have burned out, shorting the wires that connect it to the amp. Disconnect one speaker at a time from the amp, turn it on(try all four, turning the amp on and off each time you disconnect a speakers wires) and you can pinpoint which speaker might be causing the amp to go into protect mode. If you disconnect all the speakers and the amp still goes in protect mode, then the amp is shorted internally and will need to be replaced or repaired.

Sep 22, 2010 | Clarion APA450 Car Audio Amplifier

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HK AVR-247 protect mode


This is an indication of an internal problem. Typically this is shorted output transistors. Expect a parts cost in the $25-$40 range for this repair.

Dan

Apr 06, 2010 | Harman Kardon AVR 240 Receiver

2 Answers

Getting out of protect mode I have a Denon 787 receiver. It was working fine for 8 months. All of sudden, my reciever goes into protect mode after playing for about 30 min. Right after it goes into protect...


most of the receivers come with a cooling fan inside see if its working they usually work when you turn the volume up,, if its working that means you are playing it to loud if you lower the volume a little it will play just fine..( if the fan inside is not working thats the reason it goes into protect mode and it means you must have it repaired,, it goes into protect mode to prevent furter damage to the unit or the speakers,,

Dec 18, 2009 | Denon AVR-787

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When i switch on my samsung HT-Z110 the word hello appears then protect thenit turned off!


Audio receivers have an output protection circuit called "protect mode", this is to protect the receiver from short circuit failures.The speakers and speaker wires are what I inspect thoroughly first, look for bare speaker wires,or bare wires that are touching each other at that point,check speaker wires at the back of the receiver for sloppy connections,etc.If all looks good then try disconnecting all the speakers at the receiver,then turn power on to see if it goes into "protect mode", if it does the the receiver probably has an internal short and will need to be sent in for service,if it doesn't go into "protect mode" then connect one speaker at a time back into the receiver until it does go into "protect mode" then which ever speaker you connected last is the speaker that is shorted(blown) and then you know that speaker is the problem and it will need to be replaced or repaired. Good luck !

Nov 29, 2009 | Samsung HT-DB600 System

1 Answer

The receiver turns on and immediately goes to standby


The unit is going into protect mode. Lets hope it has done the job and the receiver has protected itself from failure.
Protect mode can result from speaker wires touching each other or the Amps metal case. Check that first.
It can also be caused by unstable ohm loads if too many speakers are connected to any of the outputs especially zone 2.
If you can remove all speaker wires and turn the unit back on. If it stays on, turn the volume down on the main zone and zone 2 if connected. Then reconnect speaker wires.

Nov 18, 2009 | Denon AVR-5700 Receiver

1 Answer

Every time I turn on my Onkyo receiver it goes in to protect mode.


Please check your speaker cables. Make sure that all of them are seated properly, none is touching each other or to the body of receiver.

Are you using banana plugs for connecting speaker or just directly. Some times even a little tiny frayed speaker cable touching the receiver could trigger the protect mode. Be careful, since protect mode is sometimes not fast enough to activate and it could blow a few trasistors in the power output circuit.

Please take out all the speaker cables, unplug your receiver from the mains and try to restart without any cables plugged. If it powers on then you are lucky.

If not and the receiver still goes into protect mode or wont turn on then it possible that there are bad connections on the main board or have some blown transistors. How old is your system? if its still under warranty then you should contact Onkyo immidiately.

Let me know if I can be of any further help. Please do rate this solution and thanks for using FixYa!

Mar 08, 2009 | Onkyo TX-SV727 Receiver

1 Answer

Stuck in protect mode


Speakers shorted out, blew a fuse. Replace the unit or (cross your fingers and) open up the box and find the blown fuse.

Nov 23, 2007 | Sony STR-DE425 Receiver

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