The LG EBR84124401 Microwave Main Control Board Assembly is an electronic component designed to operate and coordinate the microwave’s heating, timing, and control functions. It works by receiving input from the user interface and internal sensors, then regulating power distribution to the magnetron, fan, and turntable for accurate heating performance. Installed behind the control pan... https://www.hnkparts.com/ebr84124401-lge-pcb-assy-main