That file name refers to the universal LED TV motherboard (chassis). This board is a popular "all-in-one" solution used in various budget 32-to-50-inch smart TVs.

Posted on 12.04.2022 by Evgeniy811. Шасси TP. RT2982. PB801 схема и мануал Схема электрическая принципиальная (Schematic diagram), radio-files.ru

Integrated backlight driver (constant current) which varies by the specific TV model it's installed in. Important Note on Installation

Posted on 12.04.2022 by Evgeniy811. Шасси TP. RT2982. PB801 схема и мануал Схема электрическая принципиальная (Schematic diagram), radio-files.ru Шасси TP.RT2982.PB801 схема и мануал

You can find official schematics and service manuals for this chassis on sites like Radio-Files . Are you trying to via USB, or Шасси TP.RT2982.PB801 схема и мануал