Samsung UN40EH6030 E-Manual page 94

Antenna(Air
t P,_hl_...=,..,.., Connection
The TV is not receiving all
channels.
No Caption on digital
channels.
®
®
The picture is distorted'
macroblock, error, small
block, dots, pixelization.
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®
®
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®
Make sure the coaxial cable is connected securely.
Run Auto Program to add available channels to the channel list. Go
to MENU - Channel - Auto Program then select Auto and make
sure to select the correct Cable TV signal type. There are 3 options,
STD_ HRC and IRC. Most cable systems use STD.
Verify the antenna is positioned correctly.
Check the Caption Setup menu. Try changing Caption Mode
Service 1 to CC1.
Some channels may not have caption data.
Compression of video contents may cause picture distortion,
especially on fast moving pictures such as sports and action movies.
A weak signal can cause picture distortion. This is not a TV problem.