1x ps3 2x xbox 360 Faulty+more and mw3 and black ops +

Ps3 80gb turns on fine but no picture on tv all the parts are there i have not tryed to fix it i dont no what to do? I have had it for about 2months i got it of gumtree but was working 2days ago. Can be fixed if you no what you are doing i have been told its cost 20pound to fix. Console only Xbox360 elite plays cheep game aka ...... Was workin fine but now has rrod all parts are there. Xbox360 white one its got rrod all parts are there........ 1x xbox 360 elite harddrive 1x ps3 40gb harddrive 1x xbox 360 power brick i dont no what i want for them all yet so i just open to cash offers dont ask what will i take just offer me pick up are can deliver please text/ring for more info on 07855505135 thanks 2x ps3 usb 1x black ops new not been used for that elite xbox 1x modern warfare 3 new not been usedfor that elite xbox 1x ps3 40gb box 1x xbox 360 box all of the console are sold as seen i have not been in them but i dont no about the past. They was all working less than a week ago.