Sony BRAVIA KDL-40V2500 40 in. LCD HDTV Logo
Posted on Nov 30, 2012
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Kdl40v2500 no power

No power no sound

1 Answer

Anonymous

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  • Master 879 Answers
  • Posted on Nov 30, 2012
Anonymous
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Check and replace the main power regulator board. Visit the site named 'Electro-help' for more details. Click this link. View it in "Timeslide" or "Flipcard" option, which can be selected from the drop down box menu by the [Sidebar] tag, at the top left corner of the display window. You can also click the [Home] tab to see the latest updates. It will make search easy. There are more than 1350 posts to different brand TVs now. Pull up older posts there.

  • Anonymous Nov 30, 2012

    Visit the site named 'Electro-help' for more
    details. Click this link. View it in
    "Timeslide" or "Flipcard" option, which can be selected
    from the drop down box menu by the [Sidebar] tag, at the top left corner
    of the display window. You can also
    click the [Home] tab to see the latest updates. It will make search
    easy. There are more than 1350 posts to different brand TVs now. Pull up older
    posts there.

    Visit the site named 'Electro-help' for more details. Click this link. View it in "Timeslide" or "Flipcard" option, which can be selected from the drop down box menu by the [Sidebar] tag, at the top left corner of the display window. You can also click the [Home] tab to see the latest updates. It will make search easy. There are more than 1350 posts to different brand TVs now. Pull up older posts there.

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How do I repair the Sony Bravia LCD HDTV?

Hi... If it is a power board problem it is most likely capacitors that fail. Look for any electrolytic capacitors that are bulging on top. They are normally round with an aluminium top with a cross marked in the metal. They fail over time if they are low quality or high ESR with high transient voltages.

Make sure that you replace them with same or higher voltage ratings but with the same capacitance.

If you do buy them for stock in your repair shop look for high quality low ESR variety that will not a cause comebacks.

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There is an electronic service help site in internet, named "Electro-help'. Google for it. All details about sony blinking codes and cault location method is described in detail. You can get it by yahoo too. Pull up older post there. More than 275 posts, and all of them are related to repair help to electronic devices.
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I have a Sony Bravia Model KDL40v2500, Serial #8057846, manufactured November 2006, that does not give any picture or sound. When we turn it on it clicks a few times and then goes into some sort of standby...

could be blown caps on your power board. if you dont know what they are i dont recommend doing the work yourself. take it to a repair shop. if you feel comfortable taking it apart you can check and see if any are buldged on your power board.

Hope this helped/ Please take a moment to rate :] Thanks!
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