Come to think about it, my dad had a need for one of these things. If I remember right, the cables by them selves don't work.
I think you need this:
http://www.amazon.com/Tendak-Composite-Converter-Adapter-Supporting/dp/B00KBQZC4M/ref=sr_1_7?rps=1&ie=UTF8&qid=1464185589&sr=8-7&keywords=hdmi+cable+to+component&refinements=p_85%3A2470955011