1. Badcaps.net and EEVblog Forums (Free)
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."
2. Elektrotanya.com (Free, Registration Required) This Hungarian repair site has an enormous library of service manuals. Search for "Hannstar" and then filter by size. Schematics are usually PDFs between 800KB and 3MB. Do not use the "J Mv-6" search; try "MV6" or "MV-6" as the board number.
3. Alibaba and Taobao Listings (Paid, ~$5-$15) Chinese component sellers often include schematics as a bonus. Search Taobao for "Hannstar J Mv-6 主板 图纸" (zhǔbǎn túzhǐ – motherboard drawing). Contact the seller and ask if they have the "线路图" (xiànlù tú – circuit diagram). They will often email you the PDF.
4. Wayback Machine (The Internet Archive) If you have an old URL from a dead forum (e.g., a link from 2012 on forum.hannstar.com), paste it into the Wayback Machine. Archived FTP directories sometimes contain untouched schematic folders.
HannStar Display Corporation is a well-known Taiwanese manufacturer of LCD panels and motherboards. While they are famous for their displays, Hannstar also produced numerous logic boards and mainboards for OEMs (Original Equipment Manufacturers). The "J Mv-6" is likely a model number for a specific revision of a motherboard or controller board.
Before searching for a schematic, you must understand what you are looking at. The silkscreen on a PCB (Printed Circuit Board) tells a story.
1. Badcaps.net and EEVblog Forums (Free)
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."
2. Elektrotanya.com (Free, Registration Required) This Hungarian repair site has an enormous library of service manuals. Search for "Hannstar" and then filter by size. Schematics are usually PDFs between 800KB and 3MB. Do not use the "J Mv-6" search; try "MV6" or "MV-6" as the board number. Hannstar J Mv-6 94v-0 Schematics Pdf
3. Alibaba and Taobao Listings (Paid, ~$5-$15) Chinese component sellers often include schematics as a bonus. Search Taobao for "Hannstar J Mv-6 主板 图纸" (zhǔbǎn túzhǐ – motherboard drawing). Contact the seller and ask if they have the "线路图" (xiànlù tú – circuit diagram). They will often email you the PDF. Many schematics in these forums are password-protected ZIP
4. Wayback Machine (The Internet Archive) If you have an old URL from a dead forum (e.g., a link from 2012 on forum.hannstar.com), paste it into the Wayback Machine. Archived FTP directories sometimes contain untouched schematic folders. Schematics are usually PDFs between 800KB and 3MB
HannStar Display Corporation is a well-known Taiwanese manufacturer of LCD panels and motherboards. While they are famous for their displays, Hannstar also produced numerous logic boards and mainboards for OEMs (Original Equipment Manufacturers). The "J Mv-6" is likely a model number for a specific revision of a motherboard or controller board.
Before searching for a schematic, you must understand what you are looking at. The silkscreen on a PCB (Printed Circuit Board) tells a story.