Lenovo_Ideapad 720S nm-b441.pdf
Schematic for Lenovo 720S · board NM-B441 · 1.8 MB · shared in 4 Telegram posts.
TXTAbout Lenovo Ideapad 720S NM-B441 schematic
Lenovo Ideapad 720S NM-B441 is a free Lenovo 720S motherboard schematic diagram for board NM-B441. The PDF file is 1.8 MB. It was first posted on 13 Sept 2021 and is available in 4 Telegram channels.
The NM-B441 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 and a boardview — see all NM-B441 files.
- Type
- Schematics
- Format
- .pdf · PDF schematic
- Size
- 1.8 MB
- Brand
- Lenovo
- Board number
- NM-B441
- Model
- 720S
- First posted
- 13 Sept 2021
- Last posted
- 13 Sept 2025
- Sources
- 4
Tags
J1Download NM-B441 schematic from Telegram
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- Ocean of Schematic & Boardview @alischematics · 13 Sept 2021Open post
R1How to download Lenovo Ideapad 720S NM-B441
- Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
- You don’t need to join the channel. Tap the file Lenovo_Ideapad 720S nm-b441.pdf to download it.
- Open it with Any PDF reader or SumatraPDF.
If a post was deleted, try another source above or search for NM-B441. 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.