TV Main Logic Board

What is a main logic board in a TV?

The main logic board is found in plasma TVs and drives the video signal/data received from the main board and sends that information to the buffer boards and Y-sustain board.

Which symptoms does a main logic board fix in a TV?

•  If one side of your TV screen is distorted or blank and the other side is working, then the main logic board could be bad.

•  If your TV has no video, then the main logic board could be bad.

•  If there is no “on screen display” or your TV menu doesn’t appear, the main logic board could be bad.

*These are helpful tips to get you started and don’t represent accurate diagnoses for every TV model and failure.

How easy is it to replace a main logic board?

It's easy! Once you match the part number on your main logic board with the part number listed on this page to confirm compatibility, you’ll just need a screwdriver and the ability to remove the back of your TV and replace the board.