LG 50UH5500 Service Manual page 113

Standard Repair Process Detail Technical Manual
Error
Established
B. Power error _No power
symptom
date
Revised
Content Check front Power Indicator A17
date
<50/65UH55>
Joystick button
ST-BY condition: On or Off
Power ON condition: Turn Off
North America model doesn`t use lum.sensor
A17