For the (a common RTK2841-based Smart TV motherboard used in brands like Skyline, Prestigio, and Starwind), you can typically find firmware files on technician-focused forums. Firmware Downloads
The P75-2841V6 is an integrated "three-in-one" motherboard designed for Full HD (1920x1080) LED displays. It combines power conversion, backlight driving, and signal processing (WIFI/Android/DVB) into a single PCB. 2. Hardware Specifications Download P75 2841V6 1920x1080 Revolution Galaxy part06 rar
Since these files are usually distributed in multi-part RAR archives (like the "part06.rar" you mentioned), you must download (part01 through partXX) into the same folder before extracting. For the (a common RTK2841-based Smart TV motherboard
Includes HDMI, USB 2.0, RJ45, and integrated Wi-Fi modules. Download P75 2841V6 1920x1080 Revolution Galaxy part06 rar
Technicians should verify the 12V and 5V standby rails.
Below is a proposed "paper" or technical report structure based on the hardware.