While official manufacturers like Sharp Business USA usually provide user-end firmware updates for USB installation, raw "flash dumps" are typically found on specialized technician forums.
Knowing your hardware ensures the dump file is compatible with your specific mainboard. Sharp LC-32AF10N Display: 32-inch HD LCD ( resolution).
A for the Sharp 32AF10N is a binary backup of the TV's firmware, typically stored on an EEPROM or SPI Flash memory chip . Technicians use these files to revive "bricked" televisions that fail to boot, hang on the logo, or experience software corruption. Downloading the File
If the TV has power but no backlight, it may be an inverter board failure rather than a software issue. How to Use a Flash Dump