Complex sentence: By the late part of 1986, the station was phasing out the "Light" name and became "104 AEB-FM," and the music mix changed to a "heavily dayparted" AC/CHR mix without the hype.
Split into simpler sentences: By the late part of 1986, the station was phasing out the "Light" name and became "104 AEB-FM". The music mix changed to a "heavily dayparted" AC/CHR mix without the hype.