Question about Onkyo HT-SR700 System

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Onkyo HT-S770 Home Theater System

I have an Onkyo HT-S770 or HT-R520 (same model). I used it for 9 months and stored it for the next 19 months. I set it up yesterday and there was no power at all. Zero. I read somewhere that there is an Onkyo "protect system" for overheating. I remember putting my DVD on top of the unit while I was using it. I know it was hot but it was working fine. How do I get it to power up? Thanks. MAC

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Check power supply, fuse...

Posted on Oct 08, 2007


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Posted on Jan 02, 2017


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"Grave" reviews??

If you set it up as specified in the manual it will be optimized. As far as volume settings while listening go, that is subjective and entirely up to you, your speakers and your neighors.

Register and download the manual for free at

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if youre using optical for audio w/c is what you need then these are the steps you need to follow.
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Hello the HT-R520 is the model of the receiver that is part of the HT-S770 package. I suggest that you check the speaker settings. Check the level of the center speaker. If you need assistance please contact Onkyo at 800-229-1687 option #3. Thank you, Onkyo USA

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You can find manuals for Onkyo products here

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