Ruisuperstar

I think that is nothing to do with Italic. It happens when the character that is speaking don't appear on the image. It is a really strange thing

Hello I recently bought an LG lb730v and i have a problem when i see movies trough a usb pen. Sometimes the subtitles appear with a strange symbol and i tried to switch the codification but nothing works. It happens with all movies, series etc etc... Does someone now how to solve this problem?