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Bottom half of screen goes dark
Model is panasonic tc-l58e60
ANSWERS:
"Hi,
According to this it is a LED TV, although that may just be marketing ;-)
Here’s the service manual for the TV. (the specifications in here state it has a LCD panel with LED backlights)
On p.16 of the manual there is a LCD Panel test mode procedure that may be worth checking to see if it is a panel problem or an A board problem.
Also you said that the screen gets darker so maybe there is a backlight problem as well. Check for +24V on pins 7, 8 & 9 of P4 connector on the P board, as these are the 3 power supplies for the LED backlights. See schematic on p.30 of the service manual.
Hopefully a start."
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