Samsung DA92-01192C Refrigerator PCB Main Assembly used to control the cooling system, temperature control, overall functionality of the refrigerator. This printed circuit board controls the defrost cycles, compressor, and fan speed to ensure the proper functioning of the device. This is through the use of sensors to detect temperatures and send signals to various parts of the refrige... https://www.hnkparts.com/da92-01192c-samsung-pcb-main