Question about Olevia LT23HVX 23 in. LCD Television

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Tv wont turn on

I have a 42 inch Olevia model number is 542-B11 the tv does not turn on, could this be the power supply board? And if it is where can I purchase a power supply board? Thanks Anne

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  • rich 09 Feb 18, 2008

    I have the Olevia 542-B11 42" LCD TV. This morning was working fine and I attached it to a wall mount bracket. Plugged it back in and NO POWER. The Blue Light does not come on. What can the problem be and how do I repair? Thank you, rmwrich@aol.com

  • MrJeep May 28, 2008

    I have a Olevia 537 B-11 that seems to have a power problem as well. The blue light by power button is on but nothing happens when trying to turn it on. Called tech support and was told to unplug tv for 2 hours and plug it back in but no go. Called tech support again and was told to download new firmware and update via computer. Will give it a try some time in the next couple of days. If anybody else has had the same problem please e-mail me at freedomendures@yahoo.com Thank you

  • rsharp713 Sep 16, 2008

    I have the 542-B11 and mine will not power on at all.  I have a steady blue LED next to the power button but nothing happens when u press the power button on the TV or the remote.  Anything anybody!?!?!?

  • jgb26 Sep 27, 2008

    Hey there. I too am trying to figure out what the heck is wrong with my Olevia 42" tv. It seems to work fine when it's cool. But after an hour it just shuts off. A switch on the power supply board makes a clicking sound, as if it has a short, when I try to turn it back on. Then it cuts out. I found a replacement board on Ebay, but wanted to check around to see if this would solve the problem. Help is greatly appreciated.

  • bill-sanchez Jan 13, 2009

    olevia 542-b11 wont turn on

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Replaced two N-Channel Mosfet transistors(FQPF13N50CF-ND) and some faulty electrolytic caps in the power supply. I found the Mosfets online at Digi-Key. Mosfets are difficult to read. Only one read bad but I replaced both because they are in the same circuit. Set works great now.

Posted on Mar 30, 2010

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Not power supply mainboard

Posted on Mar 19, 2010

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Does anybody know where to get parts? I need Q3 in the power supply. The part number is 13N50C.

Posted on Mar 12, 2010

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It is the main power board. I have a 542-B11, the power board has 110 volts going in but no 5 & 24 volts coming out and going to the other boards. I see these power boards online and on ebay for $129+. Has anyone repaired this board before? Olevia filed chapter 11 and most parts are unavailable.

Posted on Jan 02, 2009

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