Im working on my "xbox portable" yeah yeah say what you want... but ive ran into a problem, the dvd player i used has a a/v output which i thought to be a/v input and im almost done with the whole project.. adn i was wondering if i could get some help, this is a picture of the cable that connects to the tft screen... it has two sets of red and black for speakers positive and negation... but how would i connect the video park of it to the connecter.. can anyone help.. the dvd player is a 8.5" SpectroniQ PDV-808 Widescreen Portable DVD Player

There's no picture dude. Anyway, you would have to find the input in the cable or traces that go to the screen from the dvd portion. if you find those you just figure out which ones R G and B and connect accordingly

Video output and video input are not interchangeable.

There's a good chance that LCD uses a digital signal from the DVD player's logic board to produce a picture, which is completely useless for hooking a game console up to.

Hate to say it but unless you can find a point to inject a video signal on the DVD player's logic board (which is doubtful because extraneous analog/digital converters cost money), you can't use that screen.