LG 55UB820T Service Manual page 78

Appendix : Exchange Main Board (1)
Solder defect, CNT Broken Solder defect, CNT Broken
Solder defect, CNT Broken
T-Con Defect, CNT Broken T-Con Defect, CNT Broken Abnormal Power Section
Solder defect, CNT Broken
Solder defect, CNT Broken
T-Con Defect, CNT Broken
Abnormal Power Section Solder defect, Short/Crack
Solder defect, Short/Crack
A - 1/5