I saved the info for future reference.
I liked the comment at the end about the original Amana radar ranges.
They do indeed "run forever" I got one at the university junk sale 20+
years ago without the glass dish at the bottom. I never found a used
glass dish, so I bought a new one for more than the price of the oven.
It still is in use up Nort. It works fine. Amana built quality
stuff back then. I consider it the 240D of microwaves.
Meade Dillon via Mercedes <mailto:mercedes@okiebenz.com>
November 24, 2019 at 7:19 AM
I was going to send this but got interrupted. Probably a good thing,
looks like your diodes are not high voltage with a big power drop.
Maybe useful later.
Do you know how to test high voltage diodes? I found a good test for
the big diode in a microwave, using a car battery and a resistor in
series with the diode. Measure the voltage drop on the diode, should
be 6 volts with the diode allowing current (proper orientation) and
then full battery voltage when you reverse the orientation. 12v
should be more than enough to flow current, a typical DMM using a 9v
battery is usually not enough voltage to test a big HV diode.
Here is the link, lots of other useful / fun reading too.
http://www.repairfaq.org/sam/micfaq.htm#mictsthvd
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