LG 50UL3G Service Manual page 31

Standard Repair Process Detail Technical Manual
Error
symptom
Monitor Signage
Content
<86UL3G >
After turning on the power and disassembling the case, check with the naked eye, whether
you can see light from module holes.
error_No
A. Video video/Normal audio
Check LCD back light with naked eye
Established
date
Revised
date
<43/55/65UL3G >
A1
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A1