The file string refers to a specific segment of a multi-part firmware update for LED TVs using the TP.SK506S.PB802 Go to product viewer dialog for this item.
Plug the TV back in. Some models require holding the button on the TV while plugging it in to trigger the "USB Upgrade" mode. Download SK506S PB802 1366x768 Akai REF70 part09 rar
A common source for verified board software like the TP.SK506S.PB802 USB Firmware Google Drive Repositories: Some technicians share direct links, such as this TP.SK506S.PB802 Firmware Drive The file string refers to a specific segment