Part Type T-Con Board LCD Controller Control Board CTRL Board Timing Control Part Number 1-857-044-21 (2221K) can be found on barcode MFR Part Number 1 Sony 1-857-044-21 Board Number(s) FS_HBC2LV2.4 Substitute Parts LJ94-02204G LJ94-02217G LJ94-02217H LJ94-02217J LJ94-02204P LJ94-02204T LJ94-02275E LJ94-2297D LJ94-02204H LJ94-02204L LJ94-02217B LJ94-02833C LJ94-02221J Known Models SONY KDL-52S4100 SONY KDL-52S5100 SONY KDL-52V4100 SONY KDL-52V5100 Panel Sticker Number LTY520HB10 Panel Manufacturer Samsung