The LG EBR88309703 refrigerator main PCB regulates essential refrigerator functions to support stable and reliable operation. This replacement main control board processes signals from multiple sensors and components, then manages functions such as the compressor, evaporator fan, defrost cycle, and temperature regulation. Installed inside the refrigerator's control compartment, it con... https://www.hnkparts.com/ebr88309703-lge-pcb-assy-main