LG 47LM6700 Service Manual page 67

Standard Repair Process Detail Technical Manual
symptom
LCD TV
<ALL MODELS>
Copyright ⓒ 2012 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
Content
Established
2010. 12 .14
date
Revised
date
MENU - Set up support -
- select channel
When the signal is strong, use the
attenuator (-10dB, -15dB, -20dB etc.)
A6
signal test
LGE Internal Use Only