: Technical data files used by repair technicians to "reflash" a bricked motherboard using a hardware programmer.

This request is slightly because "RSAG7.820.6392" refers to a specific motherboard used in several Hisense TV models , and there are different reasons you might be looking for this file.

: Files used to update the TV's operating system or fix software bugs (usually installed via USB).

: Documentation showing the circuit diagrams and component layouts for that specific board.