Question about Yamaha RX-V992
I had my receiver boxed for a couple of years, while I was living in a different location. It was stored in the original box and kept at room temperature (no extremes).
I recently unboxed it and set it up. It looked perfectly normal. I plugged it in, turned on the power, and then it shuts off within a second. It acts like there is some kind of internal auto-protection kicking in. But I'm perplexed... the unit was perfectly fine when I boxed it. I can't understand how storage could cause any kind of degradation. Is this a power supply issue?
During the brief second when it is on, I can change some settings (such as input source, speaker set) just before it shuts off. When I try starting it again, the new settings show for that brief second. But it doesn't matter how many times I try--it just won't stay on.
Any ideas or troubleshooting suggestions? Thanks.
Sounds like one of a few things. There is an auto protect feature in most amps and they kick on when one of the following happens. This is assuming that the speakers are plugged in when the problem happens. If not, the power supply is shot or some other non user serviceable problem is happening with the amp.
A. Speakers are out of phase B.The Speakers are way to large for the system C.There is a short in one of the speaker lines. D.The speakers are blown or shorted. E. Last but not least, the power supply for the amp is going, going gone. It could also have gotten some moisture.
Not to be redundant but try some of this. Take a new speaker wire, not the old.
1.Check the phase. For all speakers. Make it the same all the way around,
+red or white stripe, to the red terminal and -black or non striped to the black or negative at the amp and speakers.
2. Start with all speakers unplugged and plug just the right front in. Test it.
If it works ok, then plug in the second speaker, again by itself. Test it.
on and on. By process of elimination, you should be able to isolate the problem. That is of course, if it has anything to do with the speakers.
Posted on Jan 05, 2009
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Posted on Jan 02, 2017
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