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No heat and bad diode?

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IMy MWO stopped heating. I found the diode measured 20 ohms in both directions (shorted?). I replaced it with one

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  #1 (permalink)  
Old 05-02-2009, 04:25 PM
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Default No heat and bad diode?
Model Number: JM 1860 SD 001   Brand: GE   Age: 5 - 10 years   

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IMy MWO stopped heating. I found the diode measured 20 ohms in both directions (shorted?). I replaced it with one from my parts place. It still doesn't heat. I measured 120 VAC across the primary on the HV transformer.
Any ideas?

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  #2 (permalink)  
Old 05-04-2009, 06:54 PM
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Well 20 ohms definitely isn’t right so the old diode is bad. All most every time I see a diode bad the magnetron tube is also bad. Microwave Repair Guide

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