SCH

Lenovo_ThinkPad_L490_Compal_FL490_FL590_NM_B931_Rev_1_0_Schematic.rar

Schematic for Lenovo L490 / FL490 / FL590 · board NM-B931 · 5.5 MB · shared in 3 Telegram posts.

TXTAbout Lenovo ThinkPad L490 Compal FL490 FL590 NM-B931 Rev 1 0 Schematic schematic

Lenovo ThinkPad L490 Compal FL490 FL590 NM-B931 Rev 1 0 Schematic is a free Lenovo L490 / FL490 / FL590 motherboard schematic diagram for board NM-B931. It is packed in a RAR archive of 5.5 MB and covers board revision 1. It was first posted on 17 Nov 2021 and is available in 3 Telegram channels.

The NM-B931 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-B931 files.

Type
Schematics
Format
.rar · RAR archive
Size
5.5 MB
Brand
Lenovo
Board number
NM-B931
Model
L490, FL490, FL590
Revision
1
First posted
17 Nov 2021
Last posted
18 Jul 2026
Sources
3

Tags

J1Download NM-B931 schematic from Telegram

R1How to download Lenovo ThinkPad L490 Compal FL490 FL590 NM-B931 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_ThinkPad_L490_Compal_FL490_FL590_NM_B931_Rev_1_0_Schematic.rar to download it.
  3. Open it with 7-Zip (free) or WinRAR.

If a post was deleted, try another source above or search for NM-B931. Step-by-step help: downloading from Telegram.

.RARWhat is a .rar file and how to open it?

RAR archive. A compressed folder. It can hold a schematic, a boardview, a BIOS dump or all three.

Open with:

  • 7-Zip (free)
  • WinRAR

Tip: If the archive asks for a password, look for it in the Telegram post text.