Question about Yamaha RX-V795 Receiver

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Won't stay powered on

My Yamaha rx-v795a will not stay powered on. It immediately powers down after powering up. You see the screen flash on and then nothing. Any suggestions?

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  • Spotter12 Dec 29, 2007

    I have the same exact problem. Now it won't power up any more. I was told it was probably a bad power supply, but it hardly seems worth it to fix. If you find a fix let me know. alex@pathfinders.com

  • Anonymous Feb 19, 2009

    Did anyone come up with a solution for a RX-V750a suddenly shutting off? It appears that this model is no longer on the Yamaha list of products, but it is encouraging to see that other people have the same model I do with the same problem. But I don't see a solution. ????

  • mlmtko Jun 25, 2016

    25/06/2016 SOLVED - SOLVED - SOLVED!!!!!!!!! In the first approach I found some damaged components in the MAIN BOARD: They were Q527A (2sa1492) + Q526A (2SA1358) + Q516 (2SC2240) + R585 (330ohms) + R631 (0.22ohms x 3W) and the MAIN relay of the power sub-board. Now finally I also changed both input capacitors C518, C521 both 100µf x 16V. Now I stopped to get the messagge DC PRT 0% and I'm listening music again!!!!!!?

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There is a relay right next to the fuses on the inside dg1u it says on the top. I cleaned it and pressed down firmly on it and it seem to have fixed it. It fired up for the first time.. The relay might need to be replaced if this doesnt work for ya.
I found a solution at: http://www.diyforums.net/forums/domestic-electronics/11098-yamaha-rxv795-receiver-shuts-itself-down-after-some-time.html

Posted on Dec 29, 2007

  • mlmtko Jun 25, 2016

    25/06/2016 SOLVED - SOLVED - SOLVED!!!!!!!!! In the first approach I found some damaged components in the MAIN BOARD: They were Q527A (2sa1492) + Q526A (2SA1358) + Q516 (2SC2240) + R585 (330ohms) + R631 (0.22ohms x 3W) and the MAIN relay of the power sub-board. Now finally I also changed both input capacitors C518, C521 both 100µf x 16V. Now I stopped to get the messagge DC PRT 0% and I'm listening music again!!!!!!?

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Yamaha rx-v795,fail to start.I hear a clik,the fan starts,the volum weel moov a beet? then it all fail.

Posted on Nov 09, 2009

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Posted on Jan 02, 2017

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Here is something that you can do , or have someone to assist you.

Disconnect all speakers.

Power it On, If it turns On completely , Be glad.

Put back speaker one at a time to find the cause.

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