The board was designed for a 32-inch screen, but you are installing it in a 24-inch screen. The image will look scrambled until the correct firmware is flashed.
What is the (black screen, wrong colors, or totally dead)? Do you have the original remote for the board? Rr52c.03a Firmware
Why should you upgrade from the previous version (e.g., .02 or .03) to ? Based on typical release cycles in industrial firmware, here are the likely enhancements: The board was designed for a 32-inch screen,