Formal downloads for these specific board files are rarely available on official manufacturer sites like Akai Pro (which focuses on music production gear). Instead, they are hosted on community technician forums and specialized repositories:
If you need to change settings after installation, the service code for this board is typically Menu + 1147 or Input + 2580 .
1920x1080 (Full HD). It is critical to match this resolution to your TV panel to avoid display issues or a "blank screen" after flashing.
This version is tailored for AKAI television sets, though the board itself is used by various manufacturers. Where to Find the Download
The file is typically part of a multi-volume firmware update for AKAI Smart LED TVs using the CV338H-U42
Groups dedicated to LED TV repair, such as Kazmi Elecom , frequently share multi-part firmware files for the CV338H series.