SCH

LENOVO E15 THINKPAD NM-C421 REV 1.0 FE4A0 FE5A0.pdf

Schematic for Lenovo E15 / FE4A0 / FE5A0 · board NM-C421 · 7.4 MB · shared in 3 Telegram posts.

TXTAbout LENOVO E15 THINKPAD NM-C421 REV 1.0 FE4A0 FE5A0 schematic

LENOVO E15 THINKPAD NM-C421 REV 1.0 FE4A0 FE5A0 is a free Lenovo E15 / FE4A0 / FE5A0 motherboard schematic diagram for board NM-C421. The PDF file is 7.4 MB and covers board revision 1.0. It was first posted on 16 May 2023 and is available in 3 Telegram channels.

The NM-C421 schematic shows the complete circuit of the motherboard: the always-on 3VALW / 5VALW rails, the battery charger, CPU core and memory power, USB, display, audio and the BIOS/EC section. Use it to trace no-power, no-display, short-circuit and not-charging faults on Lenovo boards.

For the same board you can also find a boardview and BIOS dumps — see all NM-C421 files.

Type
Schematics
Format
.pdf · PDF schematic
Size
7.4 MB
Brand
Lenovo
Board number
NM-C421
Model
E15, FE4A0, FE5A0
Revision
1.0
First posted
16 May 2023
Last posted
11 Sept 2025
Sources
3

Tags

MSGFrom the Telegram post

LENOVO E15 THINKPAD NM-C421 REV 1.0 FE4A0 FE5A0 Schematic

J1Download NM-C421 schematic from Telegram

R1How to download LENOVO E15 THINKPAD NM-C421 REV 1.0 FE4A0 FE5A0

  1. Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
  2. You don’t need to join the channel. Tap the file LENOVO E15 THINKPAD NM-C421 REV 1.0 FE4A0 FE5A0.pdf to download it.
  3. Open it with Any PDF reader or SumatraPDF.

If a post was deleted, try another source above or search for NM-C421. Step-by-step help: downloading from Telegram.

.PDFWhat is a .pdf file and how to open it?

PDF schematic. A circuit diagram of the motherboard, page by page.

Open with:

  • Any PDF reader
  • SumatraPDF
  • Your web browser

Tip: Press Ctrl+F and search for a part (PU1, PQ3) or a net name (+3VALW, PWR_EN) to jump straight to it.