LG 55UB820T Service Manual page 82

Appendix : Exchange the Module (2)
Vertical Block
Source TAB IC Defect
Horizontal Block
Gate TAB IC Defect
Horizontal Block
Gate TAB IC Defect
Gate TAB IC Defect
Vertical Line
Source TAB IC Defect
Horizontal Block
Gate TAB IC Defect
Gate TAB IC Defect
Un-repairable Cases
In this case please exchange the module.
A - 5/5
Vertical Block
Source TAB IC Defect
Horizontal line
Gate TAB IC Defect
Gate TAB IC Defect