LG 43LF5900 Service Manual page 67

Standard Repair Process Detail Technical Manual
symptom
Content
※ Be careful : LF59 Models have a Standby Light Control UI
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Only for training and service purposes
Error
B. Power error _No power
Check front display LED
Established
date
Revised
date
ST-BY condition: On
Power ON condition: Off
A17
LGE Internal Use Only