Rank: Member
Groups: Registered
Joined: 11/2/2010(UTC)
Posts: 6
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Originaly I heard a popping sound and then the microwave got louder and quit heating food. I disassembled the microwave and tested HV diode, capacitor, transformer, and magnetron. Everything except the diode cheked out OK. I replaced the diode put it back together turned it on and I heard a pop the microwave was loud for a second or two and then got quiet(like only a fan is running) still not heating.
I opened it back up tested all of those components again and the diode was the only thing bad again??? It seems like the diode is a symptom of something else wrong. From what i've read it is usually the magnetron. It tests fine..... Help Please!!
Thanks,
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Rank: Advanced Member
Groups: Senior Expert
Joined: 8/16/2007(UTC)
Posts: 3,273
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Make sure, when you replace the diode, that the point of the triangle on the diode (the schematic symbol) points toward chassis ground.
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Rank: Member
Groups: Registered
Joined: 11/2/2010(UTC)
Posts: 6
|
Thanks,
One side of the diode has a screw connection for chassis and the other has slip connect for capacitor. The cathode is toward the chassis.
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