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huge problem with a insignia tv

Discussion in 'Troubleshooting and Repair' started by tunena1023, Feb 22, 2013.

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  1. tunena1023

    tunena1023

    1
    0
    Feb 22, 2013
    hello


    i have an insignia tv Model: 42p650a11


    about 2 months ago the screen went blank while i was watching it..i unplugged it and plug it back again but didnt turn on..i decide to put it on a storage ntil a week ago..i have decided to fix it by my self.. as im a computer tech i though it should not be that hard.



    i have checked the buffer board and the was problem with it...so i ordered the piece and install the new one...but nothing i checked again and there was a problem with the lcd controller so i ordered the piece and put the new one but still nothing


    i already have 4 borads changed ntil now..


    buffer board

    power supply

    lcd controller

    and y main board

    still nothing

    idk what else to do....i already have spended about a hundred dollars on it dont wanna spend anymore


    any idea what could i do?
     
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    10,218
    2,201
    Nov 17, 2011
    Have you checked all the supply voltages?
    All connections o.k.
     
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