Video Error_Video Error, Video Lag/Stop - LG 65LF6300 Service Manual

Standard Repair Process Detail Technical Manual
Error symptom
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A. Video error_Video error, video lag/stop
TUNER input signal strength checking method

Manual  select channel
Established
date
Revised
date
When the signal is strong, use the
attenuator (-10dB, -15dB, -20dB etc.)
A6
LGE Internal Use Only