...mounted an one or more of the driver transistors 2SSA1020-Y and 2SC2655-Y blown and usually the IR2153 switching regulator chip. If you haven't blown the 10 ohm ceramic pre-charge resistors ...
...damage. The IGBT's are usually gone... replace with APT28GA60BD15... the switching regulator IR2153 is gone... one or more of the 2SA1020-Y and the 2SC2655-Y gate drivers are gone. One or both ...
...39;s. One or more of the gate speedup diodes for the IGBT's get blown. The switching reg chips, IR2153 is usually gone. and more... Here is your service manual: ...
...gone as well. Sometimes one or more of the 2SC2655-Y or 2SA1020-Y transistors are gone. Often the IR2153 is gone, but it sounds like yours may still be good. Whenthe supply is running again make ...
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