I am working on a Crown SP3020-30 serial 1A that has a bad transistor. The problem I am having is that the current transistor on the truck is a mosfet style and my parts guy has told me that they are no longer avaliable. So he ordered me an IGBT style. From the service manual I am able to figure out the wiring for the thermal and gate wires but what I can't figure out is what to do with the white/brown wire that currently goes to the emitter. As of yet I cant find any service info for this. Any help would be greatly appricated.
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