The picture is smaller than The TV Screen ( Webos )
When the image appears on the screen with a smaller size and lack of full screen, or have black bars on the sides of the screen, you must modify the picture settings of your tv and the device that you connect to the TV, As below:
1- press on Setting key from the remote or press Home\ Smart key from the Magic Remote & shoose Setting.
2- Select the Quick Setting from the list & shoose Aspict Ratio and shoose 16:9.
3- from the Satellite receiver change the Ratio to be 3:4 PAL & Scan.