Video device and circuit controlling SCART interface output voltage

The utility model discloses a circuit which is suitable for an SCART interface output to realize TV/AV1:9/AV4:5 function switching. The circuit comprises a first audion, a second audion, a first resistance, a second resistance, a third resistance and a fourth resistance, wherein the base of the first audion is connected with a general input/output port and a first voltage source; a collector electrode is connected with an output control level and a SCART interface pin which is used for connecting a television; the base of the second audion is connected with the general input/output port and the first voltage source; and the collector electrode is connected with the output control level and the collector electrode of the first audion. The utility model also provides a video device. Through the above mode, the video device and the circuit controlling the SCART interface output voltage can have the advantages of controlling the output voltage of the SCART interface pin by using the single general input/output po