The standby LED should flash rapidly, indicating the update is in progress.
The main board is a workhorse, but its Achilles’ heel is the U158 MX25L80 SPI flash. When you encounter a dead TV with standby LED activity, always suspect firmware corruption before condemning the main processor or T-CON. VESTEL CHASSIS 17MB62-V1 U158 MX25L80 DUMP Service
: The TV remains in standby mode and will not power on. The standby LED should flash rapidly, indicating the