Firmware dump for the Panasonic TX-PR42ST50 plasma television, board TNPH0989, from a 25Q40 SPI flash. A 25Q40 holds 4 Mbit (512 KB), matching the 250 KB compressed archive. Small serial flash chips like this often carry boot or auxiliary code on a module, so confirm the chip location before writing. Reprogramming with a CH341A or similar SPI tool can revive a set that will not start after corruption. Save your existing chip contents first and check that the board reads TNPH0989.
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 @tvsoftwareworld. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →