LG 42lm670S TV 4.5 years old. The TV was on and nothing else was connected to the sockets. Suddenly he turned off, it turned out that the fuse in the apartment was thrown out. After switching on, everything works, the power is in the sockets, only the TV is silent (even the power LED is off, it does not respond to the remote control and the power button). I unscrewed it, but visually nothing can be seen burned, the capacitors are not swollen, etc. What do you suggest, of course, you can always return to the service, but maybe it is a bit of a shit. There is no typical power supply here, at least a separate one.