PowerboardPowerboard function:Our home electricity, the voltage is 220 v, there's a lot of ic on tv, and they work differently. Therefore, a power plate is required to provide 220v of municipal power for pressure relief output to the tv main board, the logic board and the pcb for normal work。The power panel function is to provide the whole machine with a variety of working voltages。Disruption of power panels:No power, no lightӍ