Lines appear on the screen.
Incorrect setting of incoming signal or Aspect Ratio may cause lines/noise on the picture.
Things to check
① Check if the aspect ratio is set as 16:9 (Original ratio selected).
② Check the antenna signal and cable
Aspect Ratio setting
User can select the aspect ratio.
1. Original Screen Mode provides
the best quality image.
You can select the mode when you receive HD video through digital TV or HDMI.
2. Auto Aspect Ratio: It
provides the optimal aspect ratio automatically whether 4:3 or 16:9 depending
on the input image signal.
※ Setting procedure/ adjustment menu/ feature availability may vary depending on the model.