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Established

date

Standard Repair Process Detail Technical Manual

Revised

date

Error

symptom

Content

Check Vx1 lock

A. Video error_No video/Normal audio

Check a voltage of R7624 (Red) after turn on the TV.

If the voltage is low, Vx1 is locked.(OK)

※ Reference: Burnt Detect Measurement Point

Check the voltage of R7632 (Blue) while turning on TV power

Low (0V) : Normal, High (3.3V) : Burnt Detect

R7624: TV On -> Low(0V), Vx1 : OK

R7632

Only for training and service purposes.

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LG OLED55C3 Series Specifications

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