Thomas S Port Jefferson Sta. , NY August 23, 2015 Appliance: General Electric Free Standing Microwave JVM1850BF001 Ge Microwave Jvm1850bf001: No heat. How to replace High-Voltage Diode (Microwave). I replaced both the Magnetron and the high voltage diode. I now have a fully functional microwave. I received the parts on time and the quality was good. I would use appliance parts pro's again. 58 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes