Lg 6871L-3177F Control Board 6870C-0452A Please order by the part # below to ensure compatibility. Ordering by board # or TV model # will not guarantee compatibility with your unit. Please contact us with any questions: 6871L-3177F Other Board #s and TV Model #s: 6870C-0452A 42LN5300-UB BUSYLJR 42LN5400-UA