YPbPr or Y'PbPr, also written as YPBPR, is a color space used in video electronics, in particular in reference to component video cables. How to connect DVD To the TV. Hi Dosto, In this video i am going to tell u about YPbPr port given in Setup Box or DVD. Component cables offer better video quality than the Composite cables. YPbPr definition: The designation for analog component video signals.