LG 47LA790V Service Manual page 114

Appendix : Exchange EPI Cable or Main B/D (2)
Abnormal Power Section
Abnormal Power Section Solder defect, Short/Crack
Abnormal Display
Fuse Open, Abnormal power section
Solder defect, Short/Crack
Noise GRADATION
GRADATION
Copyright © 2013 LG Electronics. Inc. All rights reserved. LGE Internal Use Only
62 / 90
Only for training and service purposes