LG Main Board EBT66517101

Compatibility is determined by matching the part number EBT66517101 and the board number EAX69109604 (1.0) printed directly on your existing board. We strongly recommend opening your TV chassis to verify these numbers match exactly, as LG often uses different boards for the same model depending on the production run.

It is a strong possibility, as this board manages power distribution and system startup. However, power issues can also stem from a faulty power supply unit or backlight failure, so it is best to troubleshoot your power supply voltages before assuming the main board is the culprit.

This is a genuine LG replacement component. Depending on the specific inventory batch, it may be pulled from a new unit or professionally refurbished to factory specifications, but it is fully tested to ensure it restores core system functionality.

Yes, installing a main board requires basic electronics repair knowledge, including the ability to safely open the TV chassis and handle delicate ribbon cables. If you are not comfortable working with internal circuitry, we recommend consulting a professional technician to avoid damaging the board or the TV's other components.

The warranty covers defects in the board's functionality or manufacturing issues that prevent it from operating as intended. It does not cover damage caused by improper installation, static discharge, or issues related to other faulty components within your television.