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42in lg tv screen problem

  • 31-07-2013 5:09pm
    #1
    sohappy
    Registered Users, Registered Users 2 Posts: 665 ✭✭✭


    20130730_182350.jpghi,
    I have a problem with a lg tv when i turn it on the left half of the screen is black after 20 min it warms up and slowly the screen starts to come normal,any one any ideas what might be causing the problem?


Comments

  • #2
    Darkglasses
    Registered Users, Registered Users 2 Posts: 14,526 ✭✭✭✭Darkglasses


    Hi there, did this happen to your TV in the recent hot spell? Mine (LCD) lost picture gradually during the heat, wonder if that has anything to do with it.


  • #3
    sohappy
    Registered Users, Registered Users 2 Posts: 665 ✭✭✭sohappy


    Darkglasses wrote: »
    Hi there, did this happen to your TV in the recent hot spell? Mine (LCD) lost picture gradually during the heat, wonder if that has anything to do with it.

    been like this for a few months,so dont think its weather related,


  • #4
    STB
    Closed Accounts Posts: 5,178 ✭✭✭STB


    1. TCon Board or caps on that board.
    2. Panel is gone


    Get someone technical take the back panel off the TV and check the cables going onto the board to see that they are seated correctly (the TCon is dead centre at the Top). If they are and the problem persists you may need to replace it. You should not do this unless you know what you are doing or you could electrocute yourself, even with the power out.

    Is it still under warranty ? If so manufacturers problem.


  • #5
    ardle1
    Registered Users, Registered Users 2 Posts: 1,521 ✭✭✭ardle1


    STB wrote: »
    Its likely to be the TCon Board or caps on that board.

    Get someone technical take the back panel off the TV and check the cables going onto the board to see that they are seated correctly (the TCon is dead centre at the Top). If they are and the problem persists you may need to replace it. You should not do this unless you know what you are doing or you could electrocute yourself, even with the power out.

    Is it still under warranty ?
    You should not do this unless you know what you are doing or you could electrocute yourself, even with the power out. I can vouch for this piece of advice,if attempting this job DIY style,after unplugging, allow the TV to sit for half hour or so, just to be on the safe side and let any remaining power to drain off.Anyway I had similar problem with a LG42-3000, this is what I did and it solved MY particular problem,OK I cleared the kitchen table,covered it with a large bath towel,lay the TV face down and removed the back, and proceeded to spray a very light film of electrical switch cleaner (E.S.C)over the entire surface,I also unplugged all connections bout 4 or 5!! and sprayed a light coating on both male and female sides.Then basically I let it sit to reach all components and to evaporate. And it did the job.:)


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