Question about Onkyo TX-DS777

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The reciever just shuts down

This is on Onkyo AV Reciever TX-DS77 SN#606R072657. When ever I turn the unit on you hear a click and then the reciever just powers off. I can't get no sound to come out of it. For a short time it would play and then when it heats up it shuts itself off now all it does is shuts itself off. Can you please give me some information on how to address this problem.

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  • brigittesesp Feb 03, 2009

    have the same problem with the TS-SR 674

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The manual suggests disconnecting inputs and outputs and power, letting it sit for an hour, then plugging it back in and turning volume to max to see if it still shuts off. If it does, the problem is with the unit. If it doesn't, the problem is elsewhere.

Judging from some other sites, this is a common problem. If you take it to a dealer, suggest they check the AC input. Before anything else, make sure that there are no stray wires on your speakers connecting the positive and negative clips, which will cause a short and activate the amp protection.

I had the same problem with an Onky502 and replaced it today with an Onkyo606. It worked fine for an hour then started shutting off automatically. I'm following the manual and letting it cool off now for an hour, and meantime I'll check my speakers.

Posted on Mar 05, 2009

  • mcswill Mar 06, 2009

    After letting the disconnected rcvr cool I plugged it back in and turned the gain to max. It didn't shut down. So I checked the wires at the speaker connections on the back of the unit. They all looked okay except on, which had the insulation sheared off for about half an inch in a place where it might have been in contact with another wire or with ground. I reclipped the wire, stripped it carefully, and reinserted it into the speaker outlets. Since then the Onkyo SR606 has worked just as it's supposed to for two days.

    I'm beginning to feel like a moron for not having checked for that simple problem on the previous unit.


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