this is likely caused by a bad T-con board
TH-46PZ850UPlease contact us if you have any questions
Additional Board Numbers: PSIV121411C
Additional Board Numbers: BN97-07073Z
Additional Board Numbers: EAX61004502
Samsung BN94-07259D Main Board for UN50H6350AFXZA 40" this is likely caused by180 Day Warranty! Part Type: Main Unit, Main Board, VGA Input, HDMI Input, A V Board, Signal Board, Tuner Board, USB Input, Digital Audio Output, S Video InputPart Number: BN94 07259DLocation: 1o5Additional Board Numbers: BN97 08043A, BN41 02157BNotice: Recommended to order by part number whenever possible. Often times there are TV models that use more than one set of parts and or panels. Compatible TV Models: Samsung UN50H6350AFXZAPlease contact us