LG OLED55BX L Series User Manual

Checking method:
1. Check the signal strength or check whether the screen is normal when the external device is connected.
2. After measuring each voltage from power supply, finally replace the MAIN BOARD.
Error symptom
A. Video error_Video error, video lag/stop
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LG OLED55BX L Series Specifications

General

Brand	LG
Model	OLED55BX L Series
Category	OLED TV
Language	English