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Yamaha RX-V495 failure

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

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  1. SandingValve


    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?

  2. davenn

    davenn Moderator

    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.

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