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. 13 more files in the library share this board number, including Compal listings — they're listed below.
Download via TelegramSame board number 13
All files for NM-B421- ThinkPad E480 EE480 EE580 NM B421 Rev 1.0 2017 10 30 AMD 216 0905004LenovoNM-B421BIOS
- EE480 EE580 NM-B421 Rev 1.0 2017-10-30 BIOS 7 Kbec OkokCompalNM-B421BIOS
- E480 EE580 NM-B421 Rev 1.0 2017-10-30 BIOS & ECCompalNM-B421BIOS
- LENOVO E480 - NM-B421 Rev1.0LenovoNM-B421Boardview
- LENOVO E480 EE480 EE580 NM-B421 REV 1.0 2017-10-30 i3-7020ULenovoNM-B421BIOS
- LENOVO E480 EE480 EE580 NM-B421 REV 1.0 2017-10-30 i5-8250ULenovoNM-B421BIOS
- Lenovo E480 EE480 EE580 NM B421 Rev 1.0 2017 10 30 Working BIOSLenovoNM-B421BIOS
- Lenovo Thinkpad E480 E580 LCFC NM-B421 Rev1.0 2017-10-30LenovoNM-B421BIOS
- Lenovo ThinkPad R480 NM B421 1 0 EE480 EE580 Original 16 MB BIOSLenovoNM-B421BIOS
- Lcfc NM-B421LenovoNM-B421Schematic
- Lenovo E480 E580, NM-B421 Clear MeLenovoNM-B421BIOS
- Thinkpad E480 EE480 EE580 NM-B421 Rev 1.0LenovoNM-B421BIOS
- Lenovo Thinkpad E480 E580 LCFC NM-B421 Rev1.0vvvLenovoNM-B421BIOS
Other Lenovo laptops
All Lenovo filesSchematicLENOVO E430 LA-8131P HM77 Rev 1.0Lenovo · LA-8131PBIOSLenovo IdeaPad Z710 HM87 UMA DUMB02 Rev 2.1 4MB &2MB BIOSLenovoBIOSLenovo T440 BIOS VIVL0 NM-A102 REV 1.0 2013-08-06Lenovo · NM-A102BIOSLenovo 330S 15IKB, 330S KBL MB V06 REV MP PN 431204223050 CPU I7LenovoBIOSLenovo IdeaPad 330S 330S KBL MB V06 Rev MP 431204223050 CPU I5 8250ULenovoBIOSLenovo Xiaoxinchao 7000 14IKBR 330S KBL MB V06 REV MP PN 431204223050LenovoSchematicLenovo IdeaCentre AIO 510-22ASR - CCA20 LA-D961PLenovo · LA-D961PSchematicNM B661 EG431 EG532 MB V10 20180302 Lenovo IdeaPad 330 14IGM PDFLenovo · NM-B661
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.