How To Fix A Microwave

4 Comments

1. 

   Waleed Rishmawi

   July 31, 2010 at 10:11 am

   it is a very informative video presentation. I fix microwave ovens all the time and good money in it. one thing I want to comment about this video is the way he tested the diode bleeder. I never came across any diodes that gave me one reading on ones side and infinity on the other side, but still working fine. I also use the diode testing setting on my multimeter and still get no readings on both sides of the diode..that does not mean there is something wrong with it. may be in my country they use a different kind of diodes reading..any comments?

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2. 

   admin

   August 1, 2010 at 3:04 am

   HI Waleed,

   Try connect two analog meter set to x 10 k ohm (like connecting two batteries in series) and test the diode to see if there is any readin or not.

   Jestine

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3. 

   Napoleon Yanga

   August 2, 2010 at 7:10 pm

   I have a good microwave hv diode, and measured it using x10k with analog meter and got 4.8v forward voltage and open on the other direction. This diode consist of few diodes in series and you need a meter capable of outputting more than the forward voltage of this hv diode to properly test it.

   The way he short the capacitor with a plier can be dangerous and can melt the connector of the cap and tip of the plier. I know it is likely the cap is already discharge by the built in bleeder resistor but its better to play safe.

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4. 

   admin

   August 3, 2010 at 9:14 am

   Hi Napolean,

   Thanks for sharing.

   Jestine

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