Question about GE Spacemaker JVM1640SJ Microwave Oven
Are you saying that you're unplugging the maghnetron and then running it? If so, that's incredibly dangerous.
You're looking at 3000VDC which can kill instantly.
It may be a shorted diode. Unless you have a really good meter, you won't be able to properly bias the diode to be able to fully test it, but they usually short when they fail.
It may also be a bad magnetron. Most often when they fail and make noise, it sounds like someone gargling into an empty coffee cup. Odd, but true.
We have critical information on safety & disassembly at our site,
linked here on Fixya: http://tinyurl.com/yzjozk
You can usually find helpful exploded view diagrams and order parts by entering your full model number here:
Posted on Nov 05, 2007
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