Part Type Signal Board Tuner Board AV Board Part Number 68719SMJ26A MFR Part Number 1 LG 68719SMJ26A MFR Part Number 2 Insignia 68719SMJ26A Board Number(s) 68709S0163A Substitute Parts Known Models LG 37LC2D-UD LG 42PC3D-UD LG 42PC3DC-UD LG 42PC3DV LG 42PC3DV-UD LG 50PC3D-UC LG 50PC3D-UD LG 50PC3D-UE