A:Answer The TV (QN43LS03RAFXZA) has two mounting options. You may either use the feet included to set it on a flat surface or you may use the included wall mount. Mounting the TV on the mantle using the included feet could be done, as long as the mantle is wide enough. The specifications list the stand as being 7.9 inches.
The other challenge will be placing the TV control box. In order to make the TV more of a picture frame, Samsung moved much of the technology, connections, and intelligence into a separate box that connects to the TV with a thin cable. The specifications list this box as being 15.4" x 2.6" x 5.1". You would need to allow space for any cables that need to plug into the control box.