LG 65UJ6300 Service Manual page 45

Standard Repair Process Detail Technical Manual
symptom
Content
<ALL MODELS>
Error
error_No
A. Video
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
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Only for training and service purposes.
A1