Ordinary microwave oven fan motor were powered by 20 ~ 30W single phase shaded pole motor, its role is to the magnetron and high voltage transformers, furnace chamber ventilation etc. j turntable drive motor for rotating the turntable in the oven cavity, the food uniform heating. Turntable motor usually consists of a permanent magnet synchronous motor and the reduction gear, the speed of 5-8 rpm / min, power of 3 ~ 5W. Both motors are not pieces of microwave ovens.yZDservice manual download site