Rca E12100339 V.1 Main Unit/Input/Signal Board T.RSC8.78 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: E12100339 V.1 Other Board #s and TV Model #s: T.RSC8.78, 52RE010C878LNA0-A1 LED52B45RQ