There are a three different main boards for this RCA model. Please confirm that 39RE010C878LNA0-A1 is on the label on the back of the board.

This RCA main board, model 39LB45RQ, is the perfect replacement for your damaged or malfunctioning TV board. Compatible with RCA brand TVs, this board is essential for restoring the functionality of your TV. Its unit type is in pounds and it is of the type main board. The board is designed for the 39LB45RQ model and is a great fit for your TV. It is easy to install and will restore the performance of your TV in no time. This item is a must-have for anyone looking to replace their TV board.