Look for the 14 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).
Sharp DUNTKF975FM14 (KF975) T-Con Board
Part Number: DUNTKF975FM14
Board Number: KF975 / QPWBXF975WJN1 / QKITPF975WJN1
Part Type: T-Con
Notes: ShopJimmy recommends ordering by part number whenever possible. Often times there are TV models that use more than one set of parts and/or panels.
Manufacturer Part Number 1: Sharp DUNTKF975FM14
Known Models
LC-52LE640U B
LC-60LE640U