Hitachi 850118727 Power Supply
part number is not found on the board or any stickers, the part number
is a manufacturer part number.
Please ensure your TV model is LE55A6R9 and that the power supply
board has MP145D-1MF22-1 printed on it.
PLEASE NOTE: These models also have a history of LED strip failure. If
this board does not fix your TV,
there's a good chance that the LED strips have failed. The part number
for the LED strips in LE55A6R9/LE55A6R9A is LB55061.