SCH

Lenovo Thinkpad-P50 BP500 NM-A451 r0.1 .pdf

Schematic for Lenovo Thinkpad-P50 / BP500 · board NM-A451 · 1.7 MB · shared in 1 Telegram post.

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TXTAbout Lenovo Thinkpad-P50 BP500 NM-A451 r0.1 schematic

Lenovo Thinkpad-P50 BP500 NM-A451 r0.1 is a free Lenovo Thinkpad-P50 / BP500 motherboard schematic diagram for board NM-A451. The PDF file is 1.7 MB and covers board revision 0.1. It was first posted on 31 May 2026 and is available in 1 Telegram channel.

The NM-A451 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-A451 files.

Type
Schematics
Format
.pdf · PDF schematic
Size
1.7 MB
Brand
Lenovo
Board number
NM-A451
Model
Thinkpad-P50, BP500
Revision
0.1
First posted
31 May 2026
Last posted
31 May 2026
Sources
1

Tags

NM-A451 schematicNM-A451 schematic diagramLenovo NM-A451Lenovo Thinkpad-P50 schematicLenovo Thinkpad-P50 motherboardLenovo Thinkpad-P50 circuit diagramLenovo schematic pdflaptop schematic diagramLenovo laptop schematic diagramschematic free download

MSGFrom the Telegram post

Lenovo Thinkpad-P50 BP500 NM-A451 r0.1 Schematics

J1Download NM-A451 schematic from Telegram

R1How to download Lenovo Thinkpad-P50 BP500 NM-A451 r0.1

  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-P50 BP500 NM-A451 r0.1 .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-A451. 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.