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Why speaker automatically turn on after receiving the call

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Shut dwon mobile k451+

Posted on Jul 25, 2013

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Posted on Jan 02, 2017

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When I turn on my kenwood it automatically turns off


First guess I have is you have speaker wires crossed or shorting out against each other, check your speaker wiring make sure no bare wires are touching each other, most amplifiers will automatically shut off if it senses a short. It doesn't specify, but i am taking a guess this is a amp/receiver

Jun 14, 2013 | Car Audio & Video

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How do I reset a yamaha rx-v493 receiver?


Disconnect any speakers from it and see if it still turns off. If it doesn't, then you have a shorted speaker or speaker wire. If it does still turn off, then it would need to go in for repairs.

Jan 09, 2013 | Yamaha RX-V493 Receiver

1 Answer

My yamaha_rx-v457 is automatically switching off when i turn on


check ur speaker wires, try disconnect all wires from back of unit and then try to turn on unit .
if it stays on whit no wires attached than u have short connection at speaker wires .
if doesn`t come on then try to fasten screws at back of the unit ,
may sound like BS but if amp board don`t have good ground connection it can go in protection mode happened to me on RX-V592

Dec 21, 2012 | Yamaha RX-V457 Receiver

1 Answer

I have a harman/kardon avr 745. When i turn it on it automatically turns back off.


The problem is in the audio driver and output stage of the receiver, check the speaker wires for shorts, if okay! the semiconductors are the issue and I recommend a professional for this type of repair.

Apr 02, 2012 | Harman Kardon Audio Players & Recorders

1 Answer

The Denopn avr 688 goes automatically into


The most common problem found on FixYa for Audio Video Receiver's is:

My receiver say's "Protect" or turns on then off. What's wrong? Seven times out of ten it is a shorted speaker or speaker wire2_bing.gif. To determine your exact problem, the first step is to disconnect all speaker wires "at your receiver" Next: Turn the receiver back on. If your receiver still says "protect" or turns off, it needs to be serviced. If your receiver stays on; reconnect your speakers one at a time and power back up after each speaker. You may find that after reconnecting all speaker wires it works! Most commonly the small braids of wire from the + to the - have touched and have caused the problem. In some instances, you noticed the problem only when turning the volume up. either way, make sure the exposed wires to your receiver are no longer than 1/2" long and are completely under the screw down terminal or slide in. When you've found the wire or speaker with the problem, your receiver will go back into "protect" At this point, disconnect the wire from the speaker at the speaker that may be causing the problem then test again.* Note* Make sure speaker wires do Not touch each other as this Will cause a short! If you turn the receiver back on and it stays on, you now know the problem is in your speaker itself. To test your speaker, you will need a multimeter. Set it to ohms resistance and touch the speaker terminals, if there is a short internally the meter will read "1......" If it's an analog meter, it will peg to the right. There's your problem. Now, within any speaker there are quite a few possibilities as to what could be causing the problem. Most common is a blown coil and the speaker needs to be replaced. Some speakers have internal crossovers (usually floor standing speakers2_bing.gif) and may have a shorted or burnt board (usually very visible brown burn marks on the board) and can possibly be repaired if your handy with a soldering iron. Now, if you disconnect the speaker wire at the speaker and it still says "protect" Check your wire for the obvious cut or nail thru the wire if possible. If your system has wiring that runs behind walls, you may need to use your meter again. Disconnect the wire at both ends, keep the ends separated, put your meter on ohms resistance and touch probes to the + and - wires at one side. If the meter pegs to the right or reads "1...." the wire is shorted and needs to be replaced or repaired at the short. Hope this helps.

Jun 17, 2010 | Denon AVR-3300 Receiver

1 Answer

Look at inside at capacitor and fuse but they seem ok. again once i turn it on, it would automatically shuts off after a second.


When a system shuts down after a few seconds it is the self protect circuit shutting down power to the outputs to prevent (further) damage. It may be caused by frayed speaker wires, bad speaker voice coils, or blown output transistors. First, turn off power and remove all speaker wires from the receiver. Turn it back on and see if the problem remains. If it works OK, inspect each speaker wire at both ends for loose strands and correct these. Then, hook up your speakers one at a time until the problem reappears. That speaker or its' wiring is your problem. For safety's sake. turn the receiver off before connecting each speaker. An accidental short of the output terminals can be disastrous (and expensive).

Apr 06, 2010 | Yamaha RX-V661 Receiver

2 Answers

Yamaha rx-v456 av receiver, shut down with optica cable


Does it work without PS3 attached?
When receiver turns off, it is usually due to badly connected/configured speakers. Try powering on the receiver without speakers.

Jan 06, 2010 | Yamaha Rx-v465/rxv465 Home Theater...

1 Answer

Help!!!


go in and turn on other speakers

Dec 27, 2007 | Onkyo TX-SR800 Receiver

1 Answer

Receiver shuts offs automatically


Mine did same thing-when I put on my strongest reading glasses,I discovered ONE STRAND! of speaker cable was touching (-) speaker output terminal....felt like a fool....Worth taking a second look! attitudeRN@gmail.com

Jun 21, 2007 | Yamaha RX-V1600 Receiver

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