Question about Onkyo TX-SV727 Receiver

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Power on I have had this receiver and only had to change a fuse. About 6 months ago I turned it on and it got stuck turning on and off repeatedly and the only way to stop it is to unplug it from the wall.

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Re: Power on

If the power button is not sticking, there is a short in the amp circuit of this receiver. It will need to be serviced.

Posted on Jun 29, 2007

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Some indication of power supply issue. if it is 6 months old. It should be still under warranty. Should it not?

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I cannot turn on my Marantz SR-18EX after a storm couple of months ago. Is there a solution to that or I need a new one? Thanks.

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Yamaha RX V2400 keeps shutting off

When it shuts off, does it display anything on the front like "ck speakers" you could have a shorted wire or bad speaker. Sounds more likely than a bad receiver. Yamaha is pretty bulletproof in "self preservation" circuitry! about the only thing that takes them out is lightning and major power surges. I have been selling and installing Yamaha receivers since 1995 and have only ever seen one with a problem that was unrelated to power. and I've done hundreds. If your not using HDMI, and the Video portion of the receiver, I would definately keep the unit $ 1500.00 is no cheap receiver. Try disconnecting the speakers, then turn on the unit with a source connected like cable/sat/fios on then crank the vol and let it set, if it cuts out, yes you've got a problem internally, however, I would stronly suggest metering all of the speakers and wires for shorts. There is an internal fuse as well right near the power cord, you have to pop the top to get to it, If you have a multimeter check the fuse with resistance tone. If you get tone, you have a good fuse if not If you need to replace it. They can be found at Radio Shack etc. If the fuse is OK, chances are you've got bad transistor(s) and needs to go to service. Repair should be under 200, well worth it. If you have further questions, post a comment and I will get back to you ASAP. Hope this helps

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Stuck in protect mode

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Nov 23, 2007 | Sony STR-DE425 Receiver

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I have the RX - V3000 Model. It turns on for a second and immediately turns off.

I had the same issue and tried changing inputs and etc. within a second of time. Nothing I did worked until, I opened the lower front access door and twisted the effects knob around quickly. This stopped it from turning off and it has been functioning normally since. Even turning it off and on again is without the issue coming back. I did try most all the buttons previous to doing the effects knob, in case that makes a difference in the long-run.

Before the issue you are having started on the unit I was working on, the owner of this unit did say he was having an issue earlier with the monitor SVideo jack in back, having a role in it powering off like this, about 6 months ago. To make it work then, he would remove the SVideo cable from the monitor jack, turn on the unit and then put back the SVideo cable once the unit was on and working. This allowed it to work for several weeks to a month before turning itself off again. He would repeat this procedure and it would work fine again for awhile.
Could be an electrical or grounding issue via SVideo that messed things up more and more?

Hope this works for you too!!

Nov 18, 2007 | Yamaha RX-Z1 Receiver

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