The LAD MV9 1366x768 Sony backup dump is a binary firmware file used to repair, reflash, or upgrade the SPI flash memory on LAD.MV9.P universal controller boards for 1366x768 resolution panels. This compressed .rar file is typically installed using a hardware programmer (e.g., CH341A) to resolve issues like stuck logos, failed booting, or corrupted TV software. For more information on handling RAR files, visit Avast . Flat Panel TV Control Board Specs | PDF | Video - Scribd