For technical "papers" or diagrams regarding this specific board, you can access several service-level documents:
The request refers to firmware for the universal smart TV motherboard, specifically a version configured for a resolution of 1366x768 with 512MB RAM and 4GB ROM (Storage). This "three-in-one" board is widely used in generic LED/LCD TVs and features built-in WiFi and a dual-core processor. Technical Documentation and Service Guides
Since firmware for these boards is often distributed in multiple parts (like the "part5.rar" mentioned), ensure you have all corresponding pieces from the same source before attempting an install: