hey i have a 1992 lexus sc400 with a nakamichi radio in it that has a 12 disc cd changer and a cassette deck. just the other day my radio stopped working and these letters stayed on the screen : cf pe i aps cdff ffff , I'm not sure what that means and it will not turn on and the antenna of course is not uo and will not go up.


ANY HELP WITH WHAT THE PROBLEM MIGHT BE OR WHAT I SHOULD TRY TO DO??????????????