hi guys

i have the apple cable that lets me plug my macbook in to a vga tv or monitor witch works fine.

i am trying to plug my macbook in to my tv set (its an old crt with no vga input) i have got cable that runs from vga to video composite cable but when i plug it in my macbook will not pick up there is a display there like it dose when i plug my monitor in.

can any one help please