A problem with cd 6000 Ford focus stereo?

Does anyone know how to help?My Ford Focus stereo cd 6000 wont pick up fm stations.AM works just fine,cd too and i think the problem is not in antenna.I read on web that many people through the world suffer same issue with their sreeo unit.I tried to reset the unit by removing the fuse, entered correct security code and the problem remained the same.HELP please!!!