Question about GE Profile Spacemaker JVM1871 Microwave Oven

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I have a replacement magenetron and diode for a GE Profile undercabinet microwave. Can you share the step by step instructions for replacing it? Model number JVM 3670

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Disconnect the power source.
Remove the cabinet to reveal the wiring.
Locate the large transformer. Next to the transformer is the magnetron and diode assembly. MAKE SURE THE CAPACITOR IS DISCHARGED AS LETHAL VOLTAGES ARE HERE!
Disconnect the diode and remember where the connections came from, (a phone camera is useful for this job). Remove the magnetron.
Replace the magnetron and fit the diode pack.
Replace the cabinet and test by placing 1/2 litre of water in the machine, having first measured the temperature of the water.
Microwave for 1 minute.
The water should have increased in temperature by at least 10degrees Celcius. If it has, it is to specification and you have repaired your microwave oven.

Posted on Dec 28, 2010

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