Question about Protron PLTV-4250 42 in. LCD Television

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My protron 42 lcd tv is not turning on the tv tries to power up and then it comes on and then just power down

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Hello,
Open the back cover of the television to check for dry soldering , if found resolder and power it on , if otherwise,
Your power supply board is not yet 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 your 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.

Hope this helpout......

Posted on Jul 07, 2010

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on the back of the TV where the power cord plugs into the back of the tv there is a small black on/off switch- it's not as obvious as you would think.... but that was turned off. Not sure how that happened since the back of the Tv was never touched when it went dead- but I unplugged the cord from the back of the tv and from the outlet and reset that switch and it worked.

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