LG 55LN5100 Service Manual page 104

Standard Repair Process Detail Technical Manual
symptom
LCD TV
Content
<ALL MODELS>
Copyright ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Error
A. Video error_Video error, video lag/stop
TUNER input signal strength checking method
Established
MENU -
When the signal is strong, use the
attenuator (-10dB, -15dB, -20dB etc.)
- 57/83 -
2012. 11 .30
date
Revised
date
Channel Manual - select channel
A6
LGE Internal Use Only