Thinkpad E580 LCFC NM-B421 Boardview & Schematic
This page has the boardview and schematic for Thinkpad E580 LCFC NM-B421, a laptop motherboard from Lenovo. The board itself was engineered by Compal and carries board number NM-B421. 2 more files in the library share this board number — they're listed below.
Download via TelegramSame board number 2
All files for NM-B421- LENOVO E480 - NM-B421 Rev1.0LenovoNM-B421Boardview
- Lcfc NM-B421LenovoNM-B421Schematic
Other Lenovo laptops
All Lenovo filesBoardviewLenovo L340-15IRH - NM-C361 REV0.3Lenovo · NM-C361SchematicLENOVO T490 T590 DRIFT NM-B901 V1.0Lenovo · NM-B901BoardviewSchematicLenovo Yoga 700-14ISK BYG43 NM-A601 Rev 1.0Lenovo · NM-A601SchematicLenovo IdeaPad Z580 Quanta LZ3 LZ3A DA0LZ3MB6G0 REV GLenovo · DA0LZ3MB6G0SchematicLENOVO E430 LA-8131P HM77 Rev 1.0Lenovo · LA-8131PSchematicLenovo IdeaCentre AIO 510-22ASR - CCA20 LA-D961PLenovo · LA-D961PSchematicNM B661 EG431 EG532 MB V10 20180302 Lenovo IdeaPad 330 14IGM PDFLenovo · NM-B661SchematicLenovo Ideapad 700S-14ISK - LA-D341PLenovo · LA-D341P
Questions about this file
Which board number is this Thinkpad E580 LCFC NM-B421 file for?
It's for board NM-B421, made by Compal. Compare it with the number printed on your PCB before relying on the file. Where to find it.
Which program opens this boardview?
Unpack the archive and open the file in OpenBoardView (free) or FlexBV. Boardview formats explained.
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 #7763 in the public Telegram channel @schematicslaptop, where the file can be downloaded with a free Telegram account.