The Samsung DE92-03960L is a critical component of your microwave, serving as the primary control board. The circuit board serves as the microwave's component, controlling several crucial operations like adjusting power levels, timing cooking, and presenting data on the LCD. A broken control board can cause several problems, such as buttons that don't work, heating that isn't correct,... https://www.hnkparts.com/de92-03960l-smg-pcb-main