Display apparatus, television and method for controlling power output of the display apparatus

摘要

A display apparatus, a television, and a method for controlling power output of the display apparatus are provided. The display apparatus includes a display unit; a video signal processor; a power supply which supplies power to the display unit and the video signal processor; a connector receptacle to which a connector of an external device is connected and which includes terminals provided for data communication and power output from the power supply to at least the external device; a switching unit which switches voltage output from the power supply to the connector receptacle; and a switching control circuit which senses whether the plurality of terminals in the connector receptacle are in electrical contact with each other, and controls the switching unit so that the voltage output from the power supply is selectively allowed or cut off with respect to the connector receptacle according to results of the sensing.