The Picture "1.jpg" show the white screen when the TV is switched on, then after about 6 minutes it starts getting those vertical lines with flickering horizontal ones, as can be seen on picture "2.jpg".
I tried with the hair dryer, it's definitely the T-Con when getting hot, the error can be seen after 1-2 minutes of heating it up. Hair dryer on the main board didn't show that effect.
my 42LG5000 TV suddenly started getting very dark, as if I would turn down the backlight in the menu, but even darker than it would be on the lowest level.
This happens about 10 minutes after switching the TV on. The first 10 minutes the picture quality is as I'm used to.
I've already opened the device checking for obvious bad parts, but haven't seen any.
Some pictures of T-Con board, backlight inverter (master + slave) and the whole device are attached.
Hope somebody can point me in the right direction.
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