connectPhilips DVDR3505/37recorder pc to tv

i have a Philips DVDR3505/37 DVD Player/Recorder,I would like to connect this to my pc.thu s video out of my radeon9550 video card, into the recorder s video . but i get no pic. i had a ilodvdr05/mu1 hooked up and it worked fine.I can.t find a way to make this one work. i get one set of rca & svedio in in back and in front,+dv in.is there any way to get this done.Thanks for any help you can give me on this. xbill,ifound this link with specks. http://www.cdfreaks.com/hardware/product/80599-Philips-DVDR3505--DVD-Player_Recorder.html THANKS for any info yuo can give me on this, xbill