LG 60LM6450 Service Manual page 63

Standard Repair Process Detail Technical Manual
Error
A. Video error _Vertical/Horizontal bar, residual
Established
2010. 12 .14
symptom
date
image, light spot
LCD TV
Revised
Content
LCD TV connection diagram (1) A8
date
<ALL MODELS>
As the part connecting to the external input, check the
screen condition by signal