LG 55UM7450PVA Service Manual page 63

Appendix. Examples of Symptoms(Only if using T-con Board)
Symptom
Item
Name
screen lower
T-CON
image broken
screen lower
T-CON
image broken
screen lower
T-CON
image broken
screen lower
T-CON
image broken
Cause
T-Con is defective and the picture below
the screen is broken
T-Con is defective and the picture below
the screen is broken
T-Con is defective and the picture below
the screen is broken
T-Con is defective and the picture below
the screen is broken
A - 9/11
Check parts by symptom
Symptom Image
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