Onkyo TX-SR674 shutting down at random intervals. help! - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 3 Old 06-30-2011, 08:58 PM - Thread Starter
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So I've had an Onkyo TX-SR674 receiver for a few years now, and just recently I've noticed that it will shut down when there are loud spikes in audio during a movie. I rewired my whole system, reset the receiver to factory defaults, and then tried to run the auto speaker setup (Audyssey2EQ), and it shuts down during that too! One time I made it through the first setup, and it claimed to have recognized all my speakers, so I think I'm ok on the wiring.

I'm sincerely stumped Anyone have any helpful suggestions? Thanks so much.
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post #2 of 3 Old 07-01-2011, 10:19 AM
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Listen carfully to each driver in each speaker.


start with just two speakers hooked up, test, add the center then ten again, surrounds then test again.

Wiring is the number one most common culprit on this, next most common is a speaker component and/or driver, then AVR failure if all else fails to diagnose it.
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post #3 of 3 Old 07-01-2011, 11:47 AM
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Unfortunately trying to diagnose a "shutdown problem" with all 5 speakers is darn near impossible.

You could be dealing with a wire that fell off inside a speaker...
You could be dealing with a capacitor in the receiver having a slow death...

Start off with two speakers at a time(use the center opposite one of the fronts) until you can discern if one of the speakers sounds different than the rest(as an obvious, it is having a problem difference).

If you can finally rule out a speaker, then it must be inside the receiver. Isolating the "bad channel" isn't very hard, you just have to disconnect a speaker(after turning it off each time) till you find the channel having the issue.
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