Has a hosted E89382 Motherboard Schematic PDF that is frequently cited in repair communities.
Hannstar J MV-4 94V-0 E89382 refers to a specific type of printed circuit board (PCB) substrate often found in older laptops like the Lenovo IdeaPad Y510 and various Medion laptop models . It is important to note that "J MV-4 94V-0"
Check specialized Telegram schematic databases like the Schematics Archive Channel .
Often a BQ or ISL series chip; if the 19V doesn't pass the first two MOSFETs, the board will stay dead.
To locate the exact PDF schematic or Boardview file for your repair, look past the HannStar logo and find the printed in white or gold silk-screen paint.