SOURCE: Samsung LN-S3241D HDTV LCD snowy display
The main board may cause this problem. If it wass happened when you play DVD, so the main board needs replacing.
SOURCE: Horizontal Lines on a LN-S3241D
i'm sorry to say It's most likely broken. I think the LCD screen is going. Try calling up Samsung to see if they can fix it or repair it for cheap. Good Luck.
SOURCE: How do I turn on the digital tuner? Samsung
Hi my name is Roety,
I can help you with your issue ,
The digital tuner is always on, you just need to run the autoprogram in the setup menu with a digital signal connected.
An antenna is ant or air signal
using Cable click cable when scanning in channels.
If using a cable box there is no need to scan channels.
if using an indoor antenna it may not pickup any (roof antenna is better)
If I have helped you with your issue please click accept.
If you have more questions you can still respond until this post expires,
I will reply asap
Thanks
I’m happy to help further over the phone at https://www.6ya.com/expert/eric_ab7c09ec01841771
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