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8 years PILOT 37" LCD TV displays thick vertical gray scale lines

Discussion in 'Troubleshooting and Repair' started by doron-b, Jan 21, 2017.

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  1. doron-b

    doron-b

    1
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    Jan 21, 2017
    My parents' 8 years PILOT 37" LCD TV displays thick vertical gray scale lines.

    It happened 3 weeks ago, suddenly, the picture became gray, the sound kept on for a while and then disappeared.

    Exact model : PIL3700CH (pic 3)

    Observations :

    1. When I connect it to the electricity - the red led outside of the tv is on.

    2. When I turn it on (using the remote control or the on button) - the green led outside the TV is on.
    then, the screen display is all gray (pic 1), and then it stables at these thick vertical gray lines (pic 2).

    pic 1 :
    http://tinypic.com/r/2nvb3pg/9

    pic 2 :
    http://tinypic.com/r/fo1xdy/9

    pic 3 :
    http://tinypic.com/r/24pkiki/9

    3. when I opened the back cover - I did not notice any blown capacitor, nothing seems or smells burnt.

    4. I have googled a lot, and now I assume that the fastest solution will be replacing one of the electronic boards (T-con / main / power / inverter ).

    but I don't know to relate the symptoms to the right board failure.

    Does anybody know this issue and can advice please ?

    Thanks,

    Doron
     
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