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I have sound but dark dark screen, picture is just shadows
How do I get my screen back. It is black.
ANSWERS:
"christianapf
this “picture is just shadows” could mean that you do not have a backlight. Measure the output voltages on your power board connector to the main board. The values for that are printed on the power board itself. Let us know what voltages you get. Also, measure the voltages on the LED connector (power board to LED backlight) let us know what voltages you get on that. All of this of course in DC voltages and with the TV on. So make sure you do not shorten any of the pins out. No backlight can be a bad backlight array, bad power board and sometimes (lower possibility) the main board.
LG has had a run of TV’s with backlight array failure, so that would be my first suspect."
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