Lenovo_ThinkPad_L490_Compal_FL490_FL590_NM_B931_Rev_1_0_Schematic.pdf
Schematic for Lenovo L490 / FL490 / FL590 · board NM-B931 · 6.3 MB · shared in 1 Telegram post.
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. The PDF file is 6.3 MB and covers board revision 1. It was first posted on 15 Dec 2025 and is available in 1 Telegram channel.
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
- .pdf · PDF schematic
- Size
- 6.3 MB
- Brand
- Lenovo
- Board number
- NM-B931
- Model
- L490, FL490, FL590
- Revision
- 1
- First posted
- 15 Dec 2025
- Last posted
- 15 Dec 2025
- Sources
- 1
Tags
MSGFrom the Telegram post
Lenovo ThinkPad L490 Compal FL490 FL590 NM-B931 Rev 1.0 Schematics
J1Download NM-B931 schematic from Telegram
- Cynet @cynetitsolution · 15 Dec 2025Open post
R1How to download Lenovo ThinkPad L490 Compal FL490 FL590 NM-B931 Rev 1 0 Schematic
- 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_ThinkPad_L490_Compal_FL490_FL590_NM_B931_Rev_1_0_Schematic.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-B931. 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.