Laptop motherboard
Thinkpad E580 LCFC NM-B421 Boardview & Schematic
This page lists the boardview and schematic for Thinkpad E580 LCFC NM-B421, a laptop motherboard by Lenovo. The board was designed and built by Compal under board number NM-B421. The same board number appears in 2 more files — see below.
Download from Telegram- Brand
- Lenovo
- Category
- Laptops
- Manufacturer (ODM)
- Compal
- Board number
- NM-B421
- Contents
- BoardviewSchematic
- Available on
- Telegram
- File name
Thinkpad E580 LCFC NM-B421 BoardView PDF.rar
Same 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
What is the board number of Thinkpad E580 LCFC NM-B421?
The file is for board NM-B421, made by Compal. Check that the same number is printed on your PCB before you rely on the file. Where to find it.
How do I open this boardview?
Unpack the archive and open the file in OpenBoardView (free) or FlexBV. Boardview formats explained.
What can I do with the schematic?
Use the power-sequence and power-rail pages to find where a no-power or no-image fault starts, then locate the parts with a boardview. No-power diagnosis 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.