Sony 1-895-285-31 Main Unit/Input/Signal Board 1P-0125J01-4011 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: 1-895-285-31 Other Board #s and TV Model #s: 1P-0125J01-4011 KDL-42EX440 KDL-42EX441