Firmware for an LCD TV or monitor main board, the T.MSD306.65A universal scaler board with code 11503, paired with the LTA216AT01 panel and tagged 22229. It is a 3.30 MB ZIP. The dump is written to the board's flash memory with a programmer to restore operation after corruption or to match the firmware to this panel. Make sure the panel and board markings match the name, save the existing flash contents and confirm the image size fits the chip.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @biosarchive. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →