hi - new here

Chris Clement

Junior Member
Trying to repair vr2000d for friend. Replaced all IRF3205, 2 IRF9640 and 1 (IR)FB31N20D. Power supply now charges up to about + and - 40 volts but it rapidly (about 20 hz) draws hard and goes into protect mode, stops drawing and comes out. I think all the FETS are good now. Anyone have any suggestions?

 
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Chris Clement

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