SCH

Lenovo ThinkPad Edge E445, E455 NM-A231 SVT 20140528.pdf

Schematic for Lenovo E445 / E455 · board NM-A231 · 5.6 MB · shared in 2 Telegram posts.

TXTAbout Lenovo ThinkPad Edge E445, E455 NM-A231 SVT 20140528 schematic

Lenovo ThinkPad Edge E445, E455 NM-A231 SVT 20140528 is a free Lenovo E445 / E455 motherboard schematic diagram for board NM-A231. The PDF file is 5.6 MB. It was first posted on 13 Sept 2021 and is available in 2 Telegram channels.

The NM-A231 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 BIOS dumps — see all NM-A231 files.

Type
Schematics
Format
.pdf · PDF schematic
Size
5.6 MB
Brand
Lenovo
Board number
NM-A231
Model
E445, E455
First posted
13 Sept 2021
Last posted
28 Apr 2022
Sources
2

Tags

J1Download NM-A231 schematic from Telegram

R1How to download Lenovo ThinkPad Edge E445, E455 NM-A231 SVT 20140528

  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 ThinkPad Edge E445, E455 NM-A231 SVT 20140528.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-A231. 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.