The LG EBR87463765 refrigerator main PCB assembly manages essential electrical operations within the refrigerator. As the main printed circuit board, it receives signals from connected components and processes them to regulate functions such as cooling, temperature settings, fan operation, and other electronic operations. Installed inside the refrigerator’s control area, it connects with sensors, motors, displays, and other electrical parts to coordinate their operation according to the selected settings and detected conditions. A properly operating PCB supports accurate communication between the refrigerator’s electronic components and helps maintain consistent system operation. Replacing a damaged circuit board can restore proper electrical control, support correct component operation, and maintain the refrigerator’s intended operating functions.