Question lg43UF680V picture is zigzagged diagonal coloured lines

Gizmofallows

Novice Member
hi all , I'm new to this site , i would be grateful if anyone could help me out with this problem , I have a LG TV model lg43UF680V , it has suddenly developed a problem where the screen is just a maze of repetitive coloured zigzag lines , the sound is still ok and the menu screen still works perfect. I have attached a photo . If anyone could point me in the right direction I would be grateful , I've heard it could be the main board , the back lights, dust inside, I've ordered a new main board as I heard this first so hopefully when it is delivered it will be sorted ...
 

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Gizmofallows

Novice Member
Your symptoms have nothing to do with the backlights or dust.
Thanks JayCee for your input , it was a so called TV repairs lad that mentioned backlights and a comment on YouTube that said dust. Do you have any idea about what it could be ? I've got to buy a new main board anyway as I tried baking it after hearing this on YouTube but ended up over cooking it lol
 

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