Im not sure if this has been asked before so here it goes.
I've got a ps3 and it works fine on the 42" hdtv downstairs but i wanted to sort out the internet on it so i took it upstairs to play on my shitty 15" tv (close to my router) i have in my room, set everything up and wen i switched my tv to AV nothing happened, was puzzled for a second then tried it on the old tv we used to use before we got the 42" and again wen i flicked it to AV it was just a blank screen
Ive done some google searches prior to posting this and it says u can use a ps3 on a sdtv but for some reason my doesn't work.
any thing i should try?

