Question about Pioneer VSX-305 Receiver

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Won't power up; push power button on, hear click in back left of unti, get nothing on front display and no output from speakers; as if unit trying to operate

Pioneer vsx-305 has a light buzzing sound, coming from speakers i believe, for a few years now. still puts out good sound. now i hit power button, i hear a clicking in the back left, but it won't power up to allow functions to work (radio, cd). also, the main display does not come on either showing radio channel or other function in use. my wife says she turned the unit on the shelf to see if speakers were attached to play some tunes and then it wouldn't turn on properly. now i see where it doesn't power up. red standby light on power button does disappear when I click power on, but i hear the click in the back and get nothing. unit about 8 years old.

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Disconnect the speakers and see what happens. Carefully examine the speaker cables for unwanted connections (shorts).
Take a clue from when the power problem appeared. Something was moved and made the buzz a (probable) dead short.

Posted on May 16, 2009

  • Martin Gowers
    Martin Gowers Jul 25, 2014

    Sounds to me that it has got a power supply fault the buzz was probably a component starting to fail this will probably be only a resistor on the power supply there are normally four the same so replace them all at the same time as they only cost a few pence

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Alright as odd as this solution may sound its worth the 5 seconds it would take to try it. My exact model receiver ran into the same problem. Standing the unit up on end on its left side restored power to the unit and it started functioning fully again. To the best of my searching and many hours poking around inside the unit it appears to be a connection problem with two of the larger capacitors inside the unit.

Posted on Jan 23, 2012

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Posted on Jan 02, 2017

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