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If lines do not appear on other screens, the TV input signal or screen size settings may be incorrect.
Try this.
Pre-check items
Check if the screen size is set to 16:9.
Check the antenna signal and cable connection status.
Setting the screen size
You can set the screen size to your desired shape through easy settings.
The original screen mode is a feature that allows you to view high-definition videos in the best quality without loss.
It can be selected when receiving high-definition video using a digital TV or HDMI terminal.
The [4:3] and [16:9] modes automatically change according to the input video signal.
※ The availability of adjustment menu functions may vary depending on the model.
This guide was created for all models, so the images or content may be different from your product.