The LG EBR87463701 PCB Main Control Board is used to control and coordinate the operations of a refrigerator. It regulates temperature control, defrosting, and the running of fans and compressors for proper cooling. The control board takes data from the sensors and controls the system to ensure that the conditions within the appliance are beneficial. Users can fix the appliance by rep... https://www.hnkparts.com/ebr87463701-lge-pcb-assy-main