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HELP. Yamaha Amp wont stay powered up!!??

 
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Hosie83
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PostPosted: Wed Jun 22, 2011 7:16 am    Post subject: HELP. Yamaha Amp wont stay powered up!!?? Reply with quote
Hi, I have a Yamaha RX-V800 amp and when pressing the power button I can hear the power relay click and the display screen powers up and then half a second later turns off and the relay clicks again and the process continues over and over untill I de-press the on/off button.
I have the service manual, fuses ok, maybe a capacitor not holding charge...!?
Any Help would be much appreciated.
Hosie83
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Justmanuals



Joined: 21 Aug 2004
Posts: 1948
PostPosted: Wed Jun 22, 2011 5:27 pm    Post subject: Reply with quote
This Parts & Service manual can be purchased for $11.77 and downloaded immediately after payment from http://www.justmanuals.com

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jts1957



Joined: 24 Nov 2008
Posts: 2476
Location: Far, Far Away
PostPosted: Sat Jun 25, 2011 6:03 pm    Post subject: Re: HELP. Yamaha Amp wont stay powered up!!?? Reply with quote
Hosie83 wrote:
Hi, I have a Yamaha RX-V800 amp and when pressing the power button I can hear the power relay click and the display screen powers up and then half a second later turns off and the relay clicks again and the process continues over and over untill I de-press the on/off button.
I have the service manual, fuses ok, maybe a capacitor not holding charge...!?
Any Help would be much appreciated.
Hosie83


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vtech



Joined: 08 May 2006
Posts: 1264
Location: USA
PostPosted: Sun Jun 26, 2011 3:16 am    Post subject: Reply with quote
Could be anything from a power supply or shorted output(s) on any of the audio channels. There is a diagnostic procedure that will point you to the area along with a history. Read up and get familiar-- Starts at page 10 of the paper manual (or page 11, if you have the PDF).
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