LG 65UG8709 Service Manual page 96

Standard Repair Process Detail Technical Manual
Error symptom
Content
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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
A1
LGE Internal Use Only