There is provided a video signal apparatus capable of preventing a vertical wobble of the screen from causing discomfort to users. The video signal apparatus comprises: a first signal switching section 11 for switching between a first solid video signal 41 that includes a synchronizing signal having the same timing as a synchronizing signal of a first video signal 31 as well as represents a solid image and the first video signal 31; and a second signal switching section 12 for switching between a second solid video signal that includes a synchronizing signal having the same timing as a synchronizing signal of a second video signal as well as represents a solid image and the second video signal, the apparatus being adapted to output the first solid video signal (second solid video signal) from an output changeover switch 3 for a predetermined time period immediately after the switching to subsequently switch to the first video signal (second video signal) when a video signal to be output from the output changeover switch 3 is switched from the second video signal (first video signal) to the first video signal (second video signal).