Question about JVC LT-42X579 42 in. LCD TV

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Wont switch on / blue light flashes sometimes

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Power supply failure

Posted on Nov 05, 2012

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Posted on Jan 02, 2017

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I had the exact same problem. Boombox flashing blue, but not rapidly flashing blue. I did two things that seemed to fix it:

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WHEN ON STANDBY WHEN TRY TO SWITCH ON BLUE LIGHT COMES ON BUT AFTER A FEW SECONDS FLASHES HAVE TO ATTEMPT MANY TIMES TO SWITCH ON ALSO SOMETIMES WHEN TRY TO TURN VOLUME UP OR CHANGE CHANNEL SWITCHES OFF TO...


Hello, Ur power supply board is dead, u know basic electronics’ and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get ur tv power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

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