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I have a VSZ-D509S Pioneer digital processor receiver.The receiver started going into the poweroff mode and shutting off after playing it for a while. In order to troubleshoot i disconected all components an speakers, unpluged it and replugged it backi. I turned the receiver back on with nothing attached and the offpower mode came on again and system slill shut off. Can you help me

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It most likely has a bad channel in the amplifier circuit. This is a very difficult job to repair. You would need all the right tools like soldering equipment, multimeter, hand tools, ect. You also would need some electronics knowledge, even if you are getting help troubleshooting it. It must be repaired right the first time or you risk blowing up all the parts you put in when you try to turn it back on again if you do not have a variac to use to power it on.

If you want some help troubleshooting I can give you some help, but you would be better served to take it to a service center and let a professional do it.


Posted on Feb 06, 2009

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How to 'fix' a Pioneer VSX-D509S that stopped working when we lost power to our house. Suggestions?


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http://ec1.images-amazon.com/media/i3d/01/A/man-migrate/MANUAL000033275.pdf

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TV output? Do you mean the audio coming in from the TV?

Have you looked at the manual and assigned each digital input to the appropriate device? What other devices are involved and have you tried moving it/them among the working/non working digital inputs?

Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Pioneer-VSX-D509S-Receivers-manual/id/385ci970/t/2/

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1 Answer

Pioneer VSX-D509S keeps shutting off


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