The "upd" in your keyword is crucial. HannStar boards are notorious for corrupting their SPI flash memory after a power surge or improper shutdown. Here is the official method to update the firmware using the Boardview as your map.
To obtain the file requested ("upd" implies updated or uploaded), follow these steps:
Step A: Broaden the Search Do not search strictly for "HannStar J MV-4". Instead, search for: hannstar j mv4 94v0 e89382 boardview upd
Toshiba C660 Boardview file .bdvHannstar J MV-4 schematic pdf
Step B: Verify with OpenBoardView
Step C: BIOS Update If your request for "upd" meant you are looking for a BIOS Update (firmware), you do not need the boardview. You need the BIOS binary file.
This is the Original Design Manufacturer (ODM). HannStar Display Corporation is a Taiwanese company known for manufacturing LCD panels, display driver boards, and logic boards for major brands like Acer, Dell, HP, and LG. If you see this logo, you are likely dealing with a display assembly or a motherboard that integrates panel control. The "upd" in your keyword is crucial
Let us assume you have downloaded hannstar_j_mv4_e89382.brd. Open it in OpenBoardView (free, open-source). Here is how to troubleshoot common faults.