Laptop motherboard
LCFC NM-B421 Schematic
This page lists the schematic for 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
- Schematic
- Available on
- Telegram
- File name
LCFC NM-B421 PDF .rar
Same board number 2
All files for NM-B421- LENOVO E480 - NM-B421 Rev1.0LenovoNM-B421Boardview
- Thinkpad E580 LCFC NM-B421LenovoNM-B421BoardviewSchematic
Other Lenovo laptops
All Lenovo filesFilesLenovo FLEX 14 Compal EL4C1 & EL451 C340 S540 14 LA H081PLenovo · LA-H081PBoardviewLenovo X1 Carbon 2012. .11246-SCLenovoSchematicLenovo X1 Carbon LGS 1 91 4RQ01 001 JULY 18 2011 2012 schematicLenovoSchematicLenovo E470 CE470 NM-A821 Rev 2.0Lenovo · NM-A821BoardviewLenovo Ideapad 330 17ICH LCFC EG530 NM B671Lenovo · NM-B671BoardviewLENOVO IDEAPAD 330-15IKB LCFC NM-B451 REV 0.2Lenovo · NM-B451SchematicLenovo ThinkPad L490 Compal FL490 FL590 NM B931 Rev 1.0 SchematicLenovo · NM-B931SchematicLenovo Y700 NM-A541Lenovo · NM-A541
Questions about this file
What is the board number of 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.
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 #7112 in the public Telegram channel @schematicslaptop, where the file can be downloaded with a free Telegram account.