Question about Yamaha RX-V473 A/V Receiver Black
System shuts off and check speaker wire message comes on
Disconnect all speakers, turn it on. If it stays on, connect one pair of speakers at a time and when it shuts off, that speaker is the problem. There may be a short in the wire or the speaker may be bad. If you get that far, try connecting the bad speaker with another speakers wires.
Posted on Jan 16, 2013
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Posted on Jan 02, 2017
Hey, yeah that can be frustrating.
When you turn it up do you hear the relay or a clicking sound, then you turn it on and it comes back below the +2db?
Try unplugging All the speaker wires from the unit. Turn on the unit and listen for the click.
after the click, turn it up past the 2+ db mark and see if you hear it click or shut down. If it did not click off, then suspect a shorted crossover on one of your speakers.
2nd test is to plug in One speaker, and test it at high volume, it will not harm it. If it shuts off disconnect that speaker and try another. Only one at a time.
If it works at high volume, you need to isolate one of your speakers and i bet it has a shorted crossover that has been cooked. P.S. If one is bad, suspect they will fail at a later date.
If they all fail, use a friends speaker and try it before sending it to a repair shop.
P.S. i found one on ebay i think you can get for under $100 bucks in the box.
Posted on Mar 02, 2009
Posted on Apr 23, 2009
Disconnect the speakers and turn on. If your receiver is ok, it will not go into protection "check spkrs" Then connect speakers, one by one, each time make sure the receiver is off, then turn it on. When you find the speaker that's causing the problem it will go into protection. At this time, disconnect the speaker at the speaker, then turn on again, if it still goes into protection, you have a speaker wire problem. If it stays on, you have a problem with the speaker. If you have a multimeter and know how to read it, check the impedance and the resistance. Check the internal workings of the speaker, bad surround from dryrot or smoked crossovers, etc. look for the obvious first. Hope this helps
Posted on Jun 04, 2009
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.
Posted on Jul 19, 2009
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