From: tony.sunnysky@gmail.com   
      
   On Friday, 7 April 2017 10:53:18 UTC-4, Tzortzakakis Dimitrios  wrote:   
   > A client left a faulty microwave oven at my friend's shop, I opened it    
   > up and first thing I checked was, of course the HV fuse. It was open so    
   > a new one. Nothing. Checked with my HV probe, at the transformator    
   > secondary 3.5 kV(AC). At the magnetron nothing, no DC at all. Thought it    
   > was the HV capacitor or the HV diode.Took them home, measured the    
   > capacitor with my capacitance meter, 1 μF ok. Checked with my insulation    
   > tester that can put up to 1000 volts, the diode, forward bias 0 Ω,    
   > reverse bias >10 ΜΩ ok.Of course I didn't do anything as when you repair    
   > household appliances you must be absolutely sure you'll repair it,    
   > there's no room for experiments.Anyone with a brainwave? Again, the    
   > trafo AC ok, DC nothing-something wrong with the magnetron?   
      
   I fixed mine last week as the breaker kept tripping randomly and then the fuse   
   and it was the Cap shorted.   Check coil on hipot then magnetron tube for   
   leakage   
      
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