LG 55LN575V User Manual page 213

Problem
Vibrating horizontal/vertical
lines and fishnet patterns
appear momentarily.
The screen display freezes
or does not work properly
during a digital broadcast.
Digital broadcasting is not
available even though the
cable is connected.
• Such a problem may happen when there is strong
electronic interference. Turn off other electronic devices
such as mobile phones, power tools and other small
electrical appliances.
• This may occur in case of a weak signal or unstable
reception. Adjust the antenna orientation and cable
connections.
• If the signal strength or quality is low on
check with the TV station or administration office.
• Check with the cable operator providing your
subscription and/or signal. (Depending on your
subscription, digital broadcasting may not be
supported.)
Solution
Manual Tuning,