LG 55G2 Service Manual page 107

Standard Repair Process Detail Technical Manual
LCD TV
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Manual Tuning
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Only for training and service purposes
Error
A. Video error_Video error, video lag/stop
symptom
TUNER input signal strength checking method
Content
Settings Channel settings
Established
date
Revised
date
When the signal is strong, use the
attenuator (-10dB, -15dB, -20dB etc.)
A6
2011. 12 .14
A6
LGE Internal Use Only