dmtech lu20xt short circuit?

Since i do not have the model of your tv i can say that when you reversed cable you blew more than just that 1 square thing-a-ma-jig.I don't know for sure since i have a location of that piece but there is a ceramic resistor on both sides of driver mosfets.It doesn't matter if it is or not cause your mosfets and diodes all need to be replaced. Consider this as gettiing a power surge from lightning.Same, Same.Only fix is replace power board.

flyatyou66
May 2014