LG 55UJ634 Series Service Manual page 68

Appendix. Examples of Symptoms(Module)
Symptom
Item
Name
MODULE Vertical bar
MODULE Screen darkness
MODULE Vertical bar
Darkness at the
MODULE bottom of the
screen
Cause
Center Vertical Bar
Center of the screen 1 block dark
Center Vertical Bar
MODULE internal BLU breakage
A - 8/11
Check parts by symptom
Symptom Image