No video but have audio
Replaced the bad led's,all light now but the screen is not fully lit,kinda one or two spots,have audio and you can see the scenes change by the screen flashing.No OSD of any kind,could this be main board or panel?
Televison & Video - Vizio - E-Series E470I-A0 47" LED TV 1920x1080, 120 Hz, HDTV
Answers & Comments
Sounds like display panel fault. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.