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re: Diode testing questions..
Posted on 2/20/14 at 11:55 pm to THRILLHO
Posted on 2/20/14 at 11:55 pm to THRILLHO
quote:
Or your tester isn't putting out a high enough voltage to exceed the threshold voltage of the diodes, in which case it would read open both ways.
this is what I am leaning towards.
Just my tech data all says to do a test from Anode to Cathode and then reverse it.
The systems is in a microwave and goes up to 3,000 volts. That's what is applied to the Diode which gives it a path from ground. When a microwave buzzes loud, usually its a bad diode.
I already swapped the magnetron and the Transformer to see.
Maybe I'll try a different magnetron.
After this, my company will no longer work on Microwaves. They just aren't worth the headache. Easily the most complicated of appliances.
1
Posted on 2/21/14 at 12:03 am to Napoleon
was thinking could measure the voltage drop with a set up like this.
I'm not 100% though.
Jeez this is killing me.
I know I'm getting 120 volts to transformer and I am getting 2,000 Vdc at the capacitor.
I don't want to be doing too much testing with the power on as this literally can kill me, and then the $250 won't be worth a thing. .lol
I'm not 100% though.
Jeez this is killing me.
I know I'm getting 120 volts to transformer and I am getting 2,000 Vdc at the capacitor.
I don't want to be doing too much testing with the power on as this literally can kill me, and then the $250 won't be worth a thing. .lol
This post was edited on 2/21/14 at 12:04 am
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