LG 49UF690T-TC Service Manual page 68

Standard Repair Process Detail Technical Manual
symptom
<ALL MODELS>
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Only for training and service purposes
Error
error_No
A. Video
Content Check LCD back light with naked eye
After turning on the power and disassembling the case, check with the naked eye,
whether you can see light from locations.
Established
video/Normal audio
A1
date
Revised
date
A1
LGE Internal Use Only