I already did work on PCB like changing its Diode (IN4007), IC (Viper12A), Varistor (Zenor Diode), 2.2uh Inductor, Controller IC (Samsung Microcontroller with 10+10 pins) but still unit is in dead condition. I confirmed with local repairer that motor is ok, issue is the PCB only.
Ashish, April 2017