LG 43UF640 Series Service Manual page 41

Standard Repair Process Detail Technic Standard Repair Process
symptom symptom
Content Content
<ALL MODELS> <ALL MODELS>
Copyright © 2015 LG Electronics. Inc. All rights reserved. Copyright © 2015 LG Electronics. Inc. All rights reserved.
Only for training and service purposes Only for training and service purposes
Detail Technical Manual
Error Error
A. Video error_Video error, video lag/stop A. Video error_Video error, video lag/stop
TUNER input signal strength checking method TUNER input signal strength checking method
al Manual
Advanced Advanced
Manual Tuning Manual Tuning
A3 A3
Established Established
date date
Revised Revised
date date
 
Channels Channels Channel Tuning Channel Tuning
When the signal is strong, When the signal is strong,
use the attenuator (-10dB, - use the attenuator (-10dB, -
15dB, -20dB etc.) 15dB, -20dB etc.)
A3 A3
LGE Internal Use Only LGE Internal Use Only