do you have the service manual? also have you checked the diodes or protection fuses for the volts out of the loptr ( low output trans) , also check the volts on the trans for no volts , low volts , or voltage drop
let me know what tests and results you have , and if you dont have a schematic yet , this one should be about the same as yours , this is part 1 with 7 zip files
http://www.eserviceinfo.com/downloadsm/31768/Mitsubishi_WS-55859.html
this is part 2 with 2 zip files
http://www.eserviceinfo.com/downloadsm/37351/Mitsubishi_WS-55859,%20WS-65869,%20WS-55909,%20WS-65909,%20WS-73909.html
electech
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