Question about Yamaha RX-V663 Receiver

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MY YAMAHA RECIEVER KEEPS SHUTTING OFF

WHEN I START INCREASING THE VOLUME IT SHUT OFF THEN WHEN I TURN IT BACK ON IT SAYS CHECK SPEAKER WIRES BUT I CHECKED ALL THE WIRES AND EVERYTHING LOOKS GOOD









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Make sure that the impedance selector setting is correct on the receiver. Select the switch position (left or right) according to the impedance of the speakers in your system. Double check the speaker wiring - disconnect all at both ends and reconnect to be sure.

Posted on Jul 19, 2009

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The unit is going into protection mode. The message is a generic one and usually means that the output section is drawing too much current and has been shut down. Defective speakers can cause this, but in this case, I suspect that there is a problem in the front end that is allowing DC current to pass to the output circuits. This will cause a problem that will shutdown the system. Yamaha designs are not the most straightforward nad I would not suggest you attempt this repair without prior repair experience. Take this to a service center and request a detailed repair estimate and report the results here. Armed with that info, we canguide you further.

Dan

Posted on Jul 19, 2009

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I had the same problem, the receiver was overheating. I went to Walmart and bought a 6 inch two speed fan and plugged it into one of the switched outlets. Set to low speed and now the problem is gone. $10 fix try it!

Posted on Jul 15, 2010

  • paxtonandy Dec 26, 2010

    I'm having the same issue. This only occurs on 7 channel output. 2 channel is no issue. Double checked all speaker wires and there's no problem there.

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2 Things possible. 1. Turning the volume knob, means volume, results in a feedback current as if it has overloaded the speaker coils and the backlash successfully chokes the incoming signal & no sound comes out of the speakers.
2. The power being fed to the amplifier is insufficient for higher outputs, thus shutting down the system to prevent damage, even a damaged speaker where the connections touch on increasing the volume could cause it t shut down. Check all electrical points & jacks for looseness or sparking...............sodeep

Posted on Aug 06, 2009

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It looks to be a wrong selection of the impedence of the speakers to that of the Amp. If there is any DC current flowing thru the speakers there should be a humming sound from the speakers before it shuts off. Infact u need to heed to the solutions that have been given by the others they all seem to the point

Posted on Jul 24, 2009

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1 Answer

My yamaha receiver RX-V363 keeps shutting off and saying check SP cable


It is one ot two things, the audio output transistors or ic,s are shorted, or the speaker wires in the back of the surround sound are shorting.

Apr 08, 2012 | Yamaha RX-V363 Receiver

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14 speakers hooked up to home theater reciever,shuts off .5 vol


Hi,

Try less speakers.
The impedance will be to low for this amp.

Regards,
Gerard

May 10, 2010 | Yamaha P2500S Amplifier

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Reciever keeps on shutting off and it say check speaker wirer


Just a wild guess but it could be fixed by replacing all your speaker wire or checking it for breaks. Look for tiny teeth marks if you have a small dog or a mangled mess if you have a big dog. Is the wire running under a cabinet or furniture which touches the ground, perhaps it's been fractured by the pressure. Has the wire been pulled out of the speaker itself or possibly the rear of the amplifier. Some speakers and amps use the old insert bare wire and twist the connector type connection. Others use speaker cable with plugs on one or each end. It's possible that the wire has been fractured or pulled away from the connections inside the plug. This would be readily apparent and certainly not visible. The only way to properly check would be with a multimeter. If you don't have one maybe a friend has got one and can help you check the wiring Another way to check is to physically put your ear to each speaker in turn (with the volume at a low level) If there is a broken wire the speaker concerned you wouldn't hear anything being emitted. When you are checking make sure that all speakers would normally be working if everything was OK.

If there are bare wires anywhere in the system make sure they aren't touching. Just a tiny filiment of wire in the wrong place will cause a warning to come one.

The last thing that it could possibly be is a damaged speaker caused by overdriving it which would overheat the voice coil and cause a short circuit.

You would pick this up when you listen to them one at a time. Nothing would be heard from that speaker. This problem would be seen by the amplifier to be a wiring problem.

So visually check all wiring for breaks or crossed bare wires. Bad kinks, wire under strain, wire with marks of being squashed under furniture etc.

Do the listen to each speaker test.

Find a friend with a multimeter to help you.

Finally disconnect all your wires, put a tag on each one to remind you which speaker it connects to and take the lot to a repair shop. It would take 10 minutes to check all the cables for continuity or failures. Get the tech to replace the broken cable with one the same length and then go home and reconnect them.

Just a word of warning. Don't continue to use them in this condition and make sure anyone else in the house knows the same as it could cause permanent damage to the amplifier. Better a simple check now than spend a fortune next month or week. Another tip, if your cables have plugs on them, always pull the cables out of the socket by grasping the plugs, not the cable.

Happy listening.

Apr 24, 2010 | Yamaha HTR-6160 Receiver

1 Answer

Overheating and shutting off


Most commonly there could be a place where wires are touching from + and minus, check all wiring to the speakers. Extra speakers would create too much load, disconnect all the speakers. Check the wires and speakers by hooking one speaker at a time back up. Of course you must turn the receiver off every time you make any changes there. Add one speaker at a time.

If it's overheating it will shut off because its likely that you are asking for more then the amp can deliver. It's protecting itself. Try turning it down and gradually increasing the volume until you find the level below shutdown. If that fixes it that's all it can deliver.

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1 Answer

My reciever is shutting down completley when i try to turn on the second zone. i tried rewiring it but it still does it could it be the reciever or do i just have the settings incorrect?


if the reciever shut down with zone 2 on, zone 2 volume at -3 and nothing connected to zone 2 it needs repair if not reconnect the speakers to zone 2 speaker connections and make sure you do not have more than 4 pair of speakers with impedence matching volume controls or a impedence matching speaker selector box

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check your speaker wires make sure none are touching each other this will cause a short and shut the reciever down

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Yahama HTR-5560


I own this unit also and have found that it is very sensitive to speaker wire shorts. Please recheck all speaker connections to make sure you have no "stray wires" touching someplace to make a short.

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1 Answer

RECEIVER WILL NOT TURN ON.


first you have to test separatly your speakers outputs
disconnect all wires speaker and speakers, turn on your reciever and look if you still have the same problem «CHECK SPEAKER WIRES alert» if yes you have to go to a specialist to fix it... if no test one line after one line with and without speaker connected until the problem reappear to locate the bad line or bad speaker.

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1 Answer

Shutting off


Same here... except now it won't turn back on :(

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