How to remove vertical lines from LED TV | Retronic

In this video, we repair a 40-inch LED TV that has vertical lines appearing on the left corner of the screen. Upon inspection, we found that both the COF (Chip on Film) and the PCB were burned—one of the common causes behind such display issues. To fix the problem, we used an ACF bonding machine for precise rebonding of the panel. Watch the full process to see how the issue is diagnosed and resolved with professional bonding techniques. If you're dealing with a similar issue, this video can help you understand how to approach the repair. Don’t forget to like, share, and subscribe for more LED TV repair tips and tutorials! #ledtvrepair #bonding #repair #lines #bondingmachine