Lcfc NM-B421 Schematic
This page has the schematic for 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 Telegram- Brand
- Lenovo
- Device
- Laptops
- Made by (ODM)
- Compal
- Board number
- NM-B421
- Contents
- Schematic
- File size
- 10.9 MB
- Posted
- Available via
- Telegram @schematicslaptop
- Original file name
LCFC NM-B421 PDF .rar
Same 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
- Thinkpad E580 LCFC NM-B421LenovoNM-B421BoardviewSchematic
- 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
- 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 filesBIOSLenovo Zhaoyang K42 80CIZV0 50 LA E581P REV 2A 2017 03 22 8MBLenovo · LA-E581PBIOSBIOS Lenovo S10-3 DA0FL5MB6D0 REV D U9Lenovo · DA0FL5MB6D0BIOSLenovo IdeaPad 330-15ARR, 330 Touch-15ARR 7VCN24WW.BINLenovoBoardviewLenovo Ideapad 330 17ICH LCFC EG530 NM B671Lenovo · NM-B671BoardviewLenovo IdeaPad 330-15IKB Lcfc NM-B451 Rev 0.2Lenovo · NM-B451BIOSLenovo 15ADA05 GS450 GS550 GS750 NM C821 GS450 GS550 GS750 NM C821Lenovo · NM-C821SchematicLenovo ThinkPad L490 Compal FL490 FL590 NM B931 Rev 1.0 SchematicLenovo · NM-B931BIOSLenovo L340 15IRH 81LK FG541 FG741 NM C362 BGCN24WW 9TH BIOS & ECLenovo · NM-C362
Questions about this file
Which board number is this 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.
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 #7112 in the public Telegram channel @schematicslaptop, where the file can be downloaded with a free Telegram account.