SCH

Lenovo_IdeaPad_720S_13IKB_LCFC_DS321_NM_B331_rev_1_0_Schematic.pdf

Schematic for Lenovo 720S / 13IKB / DS321 · board NM-B331 · 5.9 MB · shared in 3 Telegram posts.

TXTAbout Lenovo IdeaPad 720S 13IKB LCFC DS321 NM-B331 rev 1 0 Schematic schematic

Lenovo IdeaPad 720S 13IKB LCFC DS321 NM-B331 rev 1 0 Schematic is a free Lenovo 720S / 13IKB / DS321 motherboard schematic diagram for board NM-B331. The PDF file is 5.9 MB and covers board revision 1. It was first posted on 23 Jul 2021 and is available in 3 Telegram channels.

The NM-B331 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-B331 files.

Type
Schematics
Format
.pdf · PDF schematic
Size
5.9 MB
Brand
Lenovo
Board number
NM-B331
Model
720S, 13IKB, DS321
Revision
1
First posted
23 Jul 2021
Last posted
28 Apr 2022
Sources
3

Tags

J1Download NM-B331 schematic from Telegram

R1How to download Lenovo IdeaPad 720S 13IKB LCFC DS321 NM-B331 rev 1 0 Schematic

  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_IdeaPad_720S_13IKB_LCFC_DS321_NM_B331_rev_1_0_Schematic.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-B331. 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.