I understand you’re looking for information on the board, likely in relation to its schematics. This code typically appears on a printed circuit board (PCB) used in LCD monitors or TVs, often from brands like Acer, Lenovo, or HP that sourced panels from HannStar.

If you provide the (e.g., Acer AL1716) or the LCD panel sticker number , I can point you to the exact service manual that contains the J MV-4 schematics or a functionally identical board.