If your Vizio XVT3D554SV LED TV initializes all right, but fails to start - especially if it starts back lights, but no image on screen - you better have your T-CON board tested and eventually serviced.
If your Vizio XVT3D474SV LED TV initializes all right, but fails to start - especially if it starts back lights, but no image on screen - you better have your T-CON board tested and eventually serviced.