Firmware dump for a Panasonic TH-23A403DX LED television, a 4.00 MB binary image marked OK in the name, which suggests it was read from a working set. Images like this are normally written to the SPI flash on the TV main board with a programmer such as a CH341A or RT809H to cure boot loops, a dead standby state or a corrupted logo. Read and save the existing chip contents first, confirm the flash capacity matches the 4 MB image, and make sure the main board and panel resolution match before writing.
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 @bios_bin_file. Enginerys does not host this file.
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →