HELLO I HAVE A 32 INCH FABRIC I WHEN I turn it ON THE SCREEN COMES BLACK I DON'T KNOW WHAT HAPPENS TO THE WHITE LIGHT IT'S ON

I do not hear it stays like this with pantallia negrea and with the white light I have changed the inverter PCLC-D002 J REV0.0 OF THE LIGHT and nothing follows igoal I thought it is from the east inverter thanks