NM-B451 Schematic PDF
Part of NM-B451
3 schematics for NM-B451 are indexed here. The board is used in the Lenovo IdeaPad 330-15IKB, Lenovo IdeaPad EG521, Lenovo IdeaPad EG522 and Lenovo IdeaPad 320 15IKB. Board revisions: 0.2 and 1.0.
Schematic files 3
FileSizeRevAddedSource
LCFC EG521 EG522 NM-B451 Rev 0.2 UMA PDF
Schematic.pdf
2.6 MB
0.2
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Laptops that use NM-B451
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
| Format | What it is | Open with |
|---|---|---|
| PDF schematic | any PDF reader; Sumatra PDF and Foxit handle large schematics well | |
| .rar | RAR archive | 7-Zip or WinRAR |