@chrystee83 , Chris, Check out the trouble shooting links and probable causes for your TV having no picture and still has audio. I hope this will help you diagnose what is wrong with your TV display. Good luck.
I hope this helped you out, if so let me know by pressing the helpful button.
https://www.youtube.com/watch?v=Z1DEkSguWtg
http://www.justanswer.com/tv-repair/8to4g-dp58d33-tv-no-picture-just-sound.html
https://www.youtube.com/watch?v=tS4sIpdajVw
https://plus.google.com/105494327981789005100/posts/5XrwuS7XkkG