LG OLED55C3 Series

All settings  General  Programmes
 Programme Tuning & settings 
Manual Tuning
When the signal is strong,
use the attenuator
(-10dB, -15dB, -20dB etc.)
Standard Repair Process Detail Technical Manual
TUNER input signal strength checking method
A3
Established
date
Revised
date
Error
symptom
Content
A3
A. Video error_Video error, video lag/stop
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