TEKBYUS 3642-1922-0150 Main Board for E420i-B0

In this video we will show how to replace all of the boards that are included in this Vizio TV Repair kit. It is recommended to take pictures during the repair process to use as a reference point. Be sure your TV is unplugged. The first board we are going to replace is the power supply board. I will start by disconnecting all of the cables and connections on the board. Remove the screws and the board from the chassis. Align the replacement board and install the screws to secure the board to the chassis. I will reconnect all of the cables and connections on the board. The next board we are going to replace is the main board. Start by disconnecting all of the cables and connections. Remove all of the screws and the board from the chassis. Align the replacement board and install the screws to secure the board to the chassis. Reconnect all of the cables.