Lenovo Legion Y520-15IKBN DY512 NM-B191 NM-B391 Schematic
This page has the schematic for Lenovo Legion Y520-15IKBN DY512 NM-B191 NM-B391, a laptop motherboard from Lenovo. The board itself was engineered by Compal and carries board number NM-B191 / NM-B391. 5 more files in the library share this board number, including Compal listings — they're listed below.
Download via TelegramSame board number 5
All files for NM-B191- Lenovo Legion Y520-15IKBN DY512 Lcfc NM-B191 Rev 1.0LenovoNM-B191FilesDirect
- Lenovo Legion Y520-15IKBN NM-B191 REV.1.0LenovoNM-B191Boardview
- Lenovo Legion Y520-15IKBN DY512 NM-B191LenovoNM-B191Schematic
- LENOVO-LEGION-Y520-15IKBN-LCFC-NM-B191-REV-1-0LenovoNM-B191Files
- NM-B391 R10CompalNM-B391Boardview
Other Lenovo laptops
All Lenovo filesBoardviewLenovo Legion Y920-17IKBNM-B311LenovoBoardviewLenovo Thinkpad T490s NM-b891BoardviewLenovoBoardviewLenovo Thinkpad X1 Tablet Gen 3 LCFC NM B271 Rev 2.0Lenovo · NM-B271BoardviewLenovo U31-70 LA-C311PLenovo · LA-C311PSchematicLenovo Thinkpad E485 LCFC-EE485-EE585 NM-B531 R1.0Lenovo · NM-B531FilesLenovo IdeaPad 700-15ISK SKL MB 15221-1 15221-SALenovoFilesIGMLSB V10 Mergerd 20180227AM O Lenovo IdeaPad 330 20IGM IGMLSBLenovoFilesASTRSB2 BA8H26 DB 20170925 PM1 Lenovo IdeaPad 330 20IGM IGMLSBLenovo
Questions about this file
Which board number is this Lenovo Legion Y520-15IKBN DY512 NM-B191 NM-B391 file for?
It's for board NM-B191, NM-B391, made by Compal. Compare it with the number printed on your PCB before relying on the file. Where to find it.
How do I use the schematic for diagnosis?
Start with the power-sequence and power-rail pages to find where a no-power or no-image fault begins, then locate the parts with a boardview. No-power troubleshooting plan.
Is the download free?
Yes. The button opens post #4092 in the public Telegram channel @schematicslaptop, where the file can be downloaded with a free Telegram account.