LG 49UF640 -ZA Series Service Manual page 112

Standard Repair Process Detail Technical Manual
symptom
Content
<ALL MODELS>
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Only for training and service purposes
Error
A. Video error _Vertical/Horizontal bar,
residual image, light spot
Connection diagram (1)
As the part connecting to the external input, check
the screen condition by signal
Established
date
Revised
date
A6
A6
LGE Internal Use Only