55 inch TCL TV, its power supply is being repaired. 12 volts is not being produced. There is no charge on the main filter, which means the voltage has not reached here. The fuse is open, the mosfet is short, both mosfets will be removed, the circuit has been fixed, both mosfets are connected. We are fixing the MOSFET on both the MOSFETs, here we are taking the DR test, it is absolutely ok, now we will check by giving power, for that we have tied a thin wire of 3.5 ampere, so 12 volts have come here, we have connected both the MOSFETs. After changing it, there are 343 volts on the filter, here we have installed a 1.5 7.5k register, it is 12 volts and after power on, it is 393 volts. 12 volts is ok. This power supply has been made ok.