The firmware for the T.v56.03 board is distributed as a compressed file containing the binary code ( .bin ) required for the TSUMV56RUU-Z1 chip. MERGE.bin or LAMV56.bin Resolution Supported: 1366 x 768 Aspect Ratio: 16:9

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What Is a Firmware Update and Why Is It Important | NinjaOne

If you're working with a universal TV controller board—whether for a DIY monitor project, repairing a broken LCD television, or repurposing an old laptop display—you've likely encountered the board. This board is a versatile and cost-effective solution for driving a wide range of LCD panels. However, to get it working perfectly with your specific screen resolution, especially the common 1366x768 panel, you need the correct firmware .

Alternate: OTA or PC tool

Is the TV currently or just showing a distorted image ?