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Tv will not turn on,but power light on

55 inch,3d,model 55t40PZLN3D.will not turn on ,power light goes on but no picture or sound.can it be fixed and is it worth it

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Probably not worth it now days, things are made to be disposable. If you know about electronics it may be the transformer or power coil acting up. Sometimes they will jump power to ground through the boot on the coil wire. Then the screen and sound will not power up. If you have to buy a new one, if you have a visa or master card and use the to make the purchase it automatically doubles the manufacturers warranty. They will also give you an extended warranty. # years with MasterCard and four with Visa. Just call the number on the back and ask for card member services and tell them you want to purchase an extended warranty on your TV, Laptop or appliances.Plase let me know if this helps by posting a comment on fixya.

Posted on May 11, 2014

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Posted on Jan 02, 2017

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SOURCE: 42PF9630A 42

ssb:pnx2015 stby &control
b4e
7j00-5\pnx2015
STBY CPU
1LA0\16MB
X840GA

Posted on Jun 18, 2008

  • 1 Answer

SOURCE: JVC 42 INCH PLASMA POWER LIGHT BLINKING ONLY NO PICTURE

no kidding? what is the problem so prevelant in this unit? obvious design flaw.

Posted on Jul 26, 2008

  • 1 Answer

SOURCE: Vizio 50 inch plasma tv has no picture and no

check the Y-sus and Z-sus board

Posted on Nov 02, 2009

  • 367 Answers

SOURCE: I have a digital lifestyle

Any luck getting this fixed?Please let me know.Thank You very much!
Tyler

Posted on Nov 30, 2010

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How do i fix my smart tv


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board . In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.
http://electro-medical.blogspot.com/

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