Look for a code like DA0xxxxxxx (Quanta) or 6050Axxxxxxx (Inventec). Sony Vaio: Look for an MBX-xxx code (e.g., MBX-247).
The J MV-6 operates on a 12V supply rail. The schematic illustrates the buck converter topology required to step this down to: Hannstar J Mv-6 94v-0 Schematics Pdf
This alphanumeric code refers to the specific PCB layout and chipset configuration. From community repair logs, the Hannstar J Mv-6 is believed to be a Mini-ITX or proprietary form factor board featuring: Look for a code like DA0xxxxxxx (Quanta) or
These are the holy grails for motherboard repair. A user named "momaka" or "pcbjunkie" may have already posted the schematic in a thread about "Hannstar J Mv-6 no power." Use the advanced search with the exact phrase: "J Mv-6" schematic password . Many schematics in these forums are password-protected ZIP files with the password "rmftp" or "badcaps." Many schematics in these forums are password-protected ZIP
To successfully repair this board: