A specific type or revision of the laminate material used by HannStar.
Because these markings are generic, you cannot find a schematic using only "E89382." You must find the or Motherboard Model Number , which is often printed in smaller white text or on a sticker near the RAM slots. Common laptops using HannStar boards with these codes include: Laptop Model Common Board Platform Number Acer Aspire 3680 / 5570 Quanta ZR1 Lenovo IdeaPad Y510 HannStar J MV-4 (Specific revision) Medion Laptops E89382 HannStar J MV-4 (i3-2367M) ASUS X450 / X550 ASUS X450WE / X455WE Toshiba Satellite C670 Various Compal platforms 3. How to Find the Schematic PDF
of the laptop you are trying to repair?
If you are troubleshooting a laptop that won't power on or has display issues, you likely encountered the markings etched onto the green or blue circuit board.
Identifying the fuse or MOSFET responsible for the screen backlight. Hannstar J Mv-4 94v-0 E89382 Schematic Pdf
While these numbers look like a specific model name, they are actually manufacturing certifications and material standards. This guide explains what these codes mean, which laptop models they belong to, and how to find the correct for repairs. 1. Decoding the Markings
The manufacturer of the raw PCB (Printed Circuit Board) substrate. HannStar is one of the world's largest producers of bare boards and display panels. A specific type or revision of the laminate
The UL file number assigned to HannStar. You can find this on many different motherboards across various brands. 2. Identifying Your Laptop Model
Finding the correct EEPROM chip to re-flash after a failed update. How to Find the Schematic PDF of the
For professional-grade components or replacement boards, you can check inventory on AliExpress or eBay to see if a donor board is available for parts.