NM-B421 Schematic PDF

Part of NM-B421

2 schematics for NM-B421 are indexed here. The board is used in the Lenovo ThinkPad E480, Lenovo ThinkPad E580 and Lenovo ThinkPad R480.

Schematic files 2

FileSizeRevAddedSource
Thinkpad E580 LCFC NM-B421 BoardView PDF
SchematicBoardview.pdf
228 KB
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LCFC NM-B421 PDF
Schematic.pdf
10.9 MB
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Laptops that use NM-B421

  • Lenovo ThinkPad E480
  • Lenovo ThinkPad E580
  • Lenovo ThinkPad R480

What these files are for

A schematic is the circuit diagram of the main board: power rails, power-up sequence, component values and net names. It is the reference for measuring voltages and tracing a fault.

Tools to open these files

FormatWhat it isOpen with
.pdfPDF schematicany PDF reader; Sumatra PDF and Foxit handle large schematics well
.rarRAR archive7-Zip or WinRAR