Tuner Input Signal Strength Checking Method - LG 79UB980T-TA Service Manual

Standard Repair Process Detail Technical Manual
symptom
LCD TV
Content
<ALL MODELS>
Copyright © 2014 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
A3
2014.02.14

Programme Tunning
When the signal is strong, use the
attenuator (-10dB, -15dB, -20dB etc.)
LGE Internal Use Only
A3