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How do you know if a speaker is no good the sorround speakers work for a short time then the receiver shuts the speakers dow or it trips out.should ther be an ome reding

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You just need to connect a 1.5 volt battery to each speaker wires (disconected from amp) plus to plus etc. for a split second. The speaker should pop, if working.
Though I must say it sounds like the amp that's faulty, not the speakers, from what you say.

Posted on Feb 06, 2010

Testimonial: "Thanks that is what the problem was and the speakers all check out fine Thanks again"

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Our receiver is showing "PROTECT",


Shut it off, and check the speaker connections. Look for a thin strand of wire shorting the terminals both at the rear of the receiver AND each of the speakers. Next, look for damaged speaker wires. Those run under rugs can be damaged without knowing as they're covered. Look along the entire length of the speaker wires for missing insulation and shorted conductors. Replace any wire that has damaged insulation and try again. Correct any blown speaker fuses or tripped resets (if equipped).

If the receiver still shows "protect" it will probably need to be serviced due to a failed power transistor. A damaged wire that allows a short can cause this - and typically the amplifier will go into protect mode under this condition. If allowed to persist for very long or at loud volumes, permanent damage can result. Sometimes it works one moment and then seemingly fails with this message "out of the blue". Hopefully, you'll find the problem with a wire and it will work as expected again.

Good luck!

Nov 10, 2010 | Onkyo TX-SR500 Receiver

1 Answer

When you turn player on: Screen said "Hello" , then "Protection"


Sounds simple... usually "protection" means that a speaker or a speaker wire is shorted out. Or that the volume is just too damned high... how loud is the receiver's volume setting? If the bass tone control is jacked and the loudness button is on, even with no shorted wires, the amp can go into protection from an internal overdrive. Might be that you just need to do like your mom says and turn it down!
If you have an ohmmeter, speaker or wiring problems are easy to test, if you don't, you can still do it all mechanically... here's how
Turn off the receiver and start by disconnecting your speaker wires at the back of the receiver. With all of the speaker wires removed, does the thing still go into protection when you turn it back on?
If not, good. If it does, find a service center.
Re-connect the speakers to the appropriate terminals one speaker at a time, turning off the receiver each time you make a connection. After connecting one speaker, turn the receiver on and see if it shuts down. If not, then turn it off and add one more speaker.
Do this until you find the culprit. Leave that suspected bad speaker's wires disconnected from the receiver and test all the rest, connecting all but the bad wires.
Now, disconnect the speaker from the other end of the bad wires and spread the bare wires apart so they don't short out. Connect the wires ONLY at the amplifier end and turn the amp back on. Protection?
If yes, the wire is shorted out somewhere. got cats?? If everything is OK, turn off the receiver and reconnect the speaker and test again. Make sure the wires aren't shorted at the back of the speaker. You really need to check all the speakers to make sure their connections are "clean" and make sure that there are no stray wire strands anywhere or that the wires aren't stripped too much so they might be able to short out. After the wires are connected to either a speaker or an amplifier, you shouldn't be able top see much of any bare wire, but you already know that, right?
Some folks strip way too much off the wire and the wires simply touch the wrong things and ... badness happens.
If all the connections are clean and the receiver still shuts down when this speaker is connected and the receiver is turned on, swap a working speaker onto these wires, leaving the suspect speaker disconnected and making sure the other bare wires won't touch anything or each other.
Back on with the working speaker... good? If so, then we're determining that the problem is probably in that one speaker. If not, then we have a deeper problem.
Reconnect the suspect speaker to the other wires and try again. Good? Then you have "fixed" the problem by cleaning up the wiring connections. If it shuts down again, then you need to fix or replace the bad speaker.
If everything works now with the volume down and such, then just use a little self control. If it's still messed up, you may need a trip to the service shop
Good Luck

Jul 18, 2010 | Samsung HT-DB600 System

1 Answer

Keeps turning itself off


If Both speakers are working at a low volume and you turn it up and it clips and shuts off you have one of 3 problems. you have over driven your speakers and one has shorted the voice coil but still will work at low volume, its a overload protection for ohms short in receiver. unhook each speaker and turn balance to the one hooked up and turn up receiver if it shuts off do the same with other speaker to determine which side is bad. 2 speaker wires are touching at speaker or receiver. 3 a bad receiver output transister. Good luck.

May 23, 2010 | Sherwood RX-4109

1 Answer

Trips and switches off


Hello Fixya customer,

Thank you for your question.

The best way to fully isolate the fault is to disconnect all the speaker wires, and verify that there are no strands of wire shorting between the speaker terminals on the rear of the unit.

Turn the volume all the way down, full CCW, and if it goes into shut down with the STBY light blinking then there is a fault in one of the amplifier's.

Thank you for using Fixya, and if I can be of further assistance please ask.

May 01, 2010 | Onkyo TX-SR706 Receiver

1 Answer

The signal select is set to analog but it still turns off when the volume is slightly turned up, can you tell me why?


Sounds like the receiver is defaulting to "protect mode", this indicates that there is an electrical short present in the system, I have found that speakers or speaker wires tend to be the cause often.
Disconnect all speaker wires at the back of the receiver, turn receiver on and raise the volume control and see if the receiver still shuts down, if the receiver doesn't shut off, then one of the speakers or speaker wires are bad, reconnect one speaker at a time, raise volume and see if the speaker you connected causes the receiver to shut down, if not continue connecting the speakers one at a time, testing to see if the receiver shuts down after each speaker connected, when the receiver faults to "protect mode" again after you have connected a speaker then you know that the last speaker you connected is the "blown" or shorted speasker or wire.If the receiver still shuts off after disconnecting all speaker wires, then either one of your sources has a problem(DVD,CDplayer,cass deck,etc.) or the receiver has an internal short that will have to be repaired by a servicer.

Good Luck !

Feb 14, 2010 | Pioneer VSX-D412 Receiver

1 Answer

Everytime a loud noise happens on this receiver, it automatically shuts off. I know there is a protection circuit, but it happens 20 -30 times a day


true the protection circuit is tripping when it gets past a safe current level. You can't alter this level, but start by seeing the ohm readings on your speakers (and the switch on the back if it has one)(and if you have a wire shorting). Too low a reading will cause more current to flow and it to trip earlier. Extra speakers added on are a common source of this problem

Oct 27, 2009 | Yamaha R-V702 5.1 Channels Receiver

1 Answer

Unit''trips'' off shortly after powering up


Disconnect ALL of the speaker wires from the back.  Turn it on again, if it still trips, then the unit needs to be repaired.  If it does not trip with no speaker wires connected, turn it back off, connect 1 speaker at a time and turn it on, when it does trip, that speaker that you just put on has a short somewhere, it could the be the wire or in the speaker.

Mar 29, 2009 | Denon AVR-3300 Receiver

1 Answer

Brand new avr588 receiver is turned on....is on for five seconds and then cuts off to standby


Hi donnie025,

I can't believe you haven't received an answer before now.

The red flashing light normally indicates that the protection circuit has been tripped. It can be caused by something as simple as a short in a speaker wire. Even if there is one strand of loose wire that makes contact with the back of the receiver, another wire, etc. it can cause a short. To protect itself the receiver will simply shut down.

1st. I would suggest disconnecting all the speaker wires from the back of the receiver. Then turn on the receiver (obviously you won't hear any sound) and see if the receiver does the same thing. If it does you should try disconnecting all of the source components (DVD player, Cable box etc.) and try again. If it still does it the receiver is bad and needs to be serviced or exchanged if you still can.

2nd. If the receiver stays on after you disconnect, then turn off the receiver and connect one speaker at a time, then power on the receiver at test it after connecting each speaker. This way if it suddenly shuts down after connecting a speaker you know which speaker or wire to check.

Let me know how it works out for you, I hope this helps if you haven't figured it out already.
Matt @ OneCall
www.onecall.com
twitter.com/onecalldotcom

Nov 08, 2008 | Denon AVR588 Receiver

1 Answer

OVERLOAD


HOW MANY SPEAKERS ARE YOU RUNNING? IF you are running more than TWO speakers, the very FIRST thing to check is to make certain ALL of your speakers have an IMPEDENCE of 8 OHMS. Virtually all speakers of even modest quality will include this specification on a label on the back of the speaker. You CANNOT run more than (2) TWO speakers with 4 OHMs impedence on ANY amplifier (technical discussion too long!) [NOTE: Some Pioneer equipment have internal overload protection systems to prevent permanent damage. However, you cannot re-set these systems yourself. Your dealer or authorized HK service center must do this.] But, before you take your unit in for service, there is one more "test": check for shorted and/or mis-connected/disconnected speaker cables/wires. Visually inspect connections at the receiver and speakers first. You might find something obvious! If everything looks okay, then disconnect ALL of the speakers; and reconnect and test them one at a time (at relatively low volume.) For example, reconnect the left front speaker, test the system; THEN add the right front, test the system,and so on, ADDING one more speaker each time - FIRST MAKING SURE EACH OF THEM HAS AN IMPEDENCE OF AT LEAST 8 OHMS! IF there is a short (or bad speaker) this will help isolate it. Hopefully one of these "fixes" will work for you. GOOD LUCK!

Jul 15, 2007 | Pioneer VSX-D511 Receiver

1 Answer

Shutting off during a loud part of a movie


Its eather a defect with the reciver top end shut down /over bias system , Or the speakers could be partially shorted, such as instead of being 8 ohms, the speakers could have a few shorted windings from a loud music event?? I would take the speakers in to be checked under load. NOT just checked for resistance.. A regular shop may not know how to do this BUT tell them you need to put the speakers under a load and then measure the resistance . GOOD LUCK

Jun 25, 2006 | Yamaha RX-V550 Receiver

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