Hi, I have had my HTR-5440 receiver for a few years and it has worked great. Lately though, whenever I turn it on, after only 2-3 minutes (sometimes in only seconds), it just shuts off. When i turn it back on it says 'CHECK SP WIRES'. I have tried reconnecting all of the wires and still does not function properly. Could it be caused by dust built up in the unit? Hope you can help. Thanks!
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Re: check sp wires?
Your problem most likly is not because of dust. Its a bad connection in the amp section or the protection circuit, or the speakers them self have a problem. There could also be a componet problem. Unless you know how to troubleshoot solid state electronics,you should take the unit in to be serviced. It would most likly cost more then its worth to repair. A unit this old is u replaced at this point. Good Luck
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and connect it into any available analog input EXCEPT "Phono". Turn the PC's volume control for the headphone volume up. Of course, if you have a sound card with the usual green front speaker outputs that would work, too.
Probably the speakers are not wired correctly. Check this by turning on the receiver without speakers connected. If the message is gone, issue was in the connection of speakers. Check that you have not short-wired the + and -.
Let me make this clear to you that your Yamaha does not support Microphone but the trick is you can still do it.
All you need is a stereo jack to a RCA connector cable.Check this out http://www.mediacollege.com/audio/connection/jack-stereo-rca-2.html
It is easily available in the market.
The stereo jack will fit into your microphone and the RCA to your Amplifier/Reciever.
Plug the RCA into CD/Tape input but not in the Phono n do your thing.
Let me know if this works,coz I'm really curious.
That is a check the speaker wire error, caused by a short or perceived short. If you look at the back of the receiver you may see 1 strand of the wire loose, they are very hard to see sometimes. You may use banana plugs as it is painful to get everything hooked up without a few loose strands.
If there is still the issue check your speaker connections for the same issue. If they are in ceiling/wall speakers disconnect them all then plug them in one at a time to narrow it down.
If the issue persists perhaps one of your speaker wires has a short somewhere, could be a misplaced drywall screw from hanging a picture, or a carpet tack strip, or a pet deciding it was a nice chew toy.
If you are completely sure it is none of those then I would say it is a bad speaker or receiver. Try changing in and out known good speakers/receivers if you have access to them to see which one it is.
Have you ever used the headphones as the sensor switch could be dirty?? Or if not mybe got a glitch in the micro from a surge or something like that. Try unplugging for a good few hours and restarting again???. Good luck Let us know as the more info we get the better we can assist you.