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Yamaha RX-V495 failure

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Discussion in 'Troubleshooting and Repair' started by SandingValve, Dec 5, 2010.

Dec 5, 2010 #1

SandingValve

2

0

Dec 5, 2010

Hello all,

I've got a Yamaha RX-V495 that immediately shuts off when the power button is pressed. If the diagnostic function is activated it briefly shows 'PS <some value below 100%>' before shutting off.

It does this with nothing connected to it.

Any clues?

Thanks,
SV
Dec 6, 2010 #2

davenn Moderator

13,557

1,854

Sep 5, 2009

probably a power supply problem

without some test it is difficult to say if it is an under or over power fault

do a google search for a service manual and if your technically minded enough you may want to check the various power suppply rails and see if they are all working within tolerance.

Dave

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