1T-DVI-VGA video scaler converts between analog and DVI formats. The 1T-DVI-VGA converts DVI to Analog. A wide variety of PC and HD input and output resolutions are supported. The input resolution is automatically detected and can either be RGBHV or YPbPr format. It accepts a 480i YUV signal (from a DVD player for example) and converts it to PC or HD. The output resolution and refresh rate are selectable. An integral processor adjusts signal levels. A power adapter with locking DC is included.