LG 65EF9500 Service Manual page 89

Standard Repair Process Detail Technical Manual
symptom
LCD TV
Content
Copyright 2015 LG Electronics Inc. All rights reserved.
Only for training and service purposes
Error
A. Video error_Video error, video lag/stop
TUNER input signal strength checking method
Established
date
Revised
date
Quick Settings  Programmes
 Manual Tuning
When the signal is strong, use the
attenuator (-10dB, -15dB, -20dB etc.)
A3
2014.12.31
A3

Programme Tunning
LGE Internal Use Only