---Partial part number (4550D) can be found stamped on the board.
IMPORTANT: Horizontal lines on the screen are virtually NEVER caused by a bad T-con board. Horizontal lines indicate a defective LCD panel (screen).---
LG 6871L-4550D (6870C-4000K) T-Con Board for 55LH90-UB
Part Number: 6871L-4550D
Visible Number: 6870C-4000K
Warranty: 180-Day Warranty
Known Models
LG 55LH90-UB