Hi usually the cause of won't power on problem due to the storm is the current fluctuation which the tendency is power supply failure. now since totally dead set what you need is to open the tv unit then look for the power supply where the power cord is connected. check obvious defective component part like blown fuse and burnt part like resistor and capacitor. just replaced with the same value and ratings to avoid damage from others component.if their is no problem with the power supply the output voltages are good the main board get damaged. good luck thanks for consulting the fixya.
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