Patent ID: 8345029

Claim:
An image signal control device comprising: an input portion having a shared terminal configured for inputting a component signal and a RGB signal; an adjustment portion configured to adjust a timing of the input signal, the adjustment portion including: an automatic adjustment portion configured to adjust the timing in accordance with a display state of an image, and a manual adjustment portion configured to adjust the timing in accordance with a manual input, the manual adjustment portion being disabled when the input signal is the component signal; a display control portion, configured to perform display control based on a predefined standard when the input signal is the component signal and based on the adjusted signal when the input signal is the RGB signal; a format determination portion configured to determine whether an input signal has a component format or an analog RGB format; a timing identification portion configured to identify timing information corresponding to the input signal, the timing information being pre-registered information relating to image signal timing; a timing adjustment portion configured to adjust the input signal based on the timing information identified by the timing identification portion when the input signal has an analog RGB format; and a signal processing portion configured to process the input signal based on the timing information identified by the timing identification portion.