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Compal_LCFC_NM_A411_BYG40_Yoga4_SKL_U_CS_SIT2_REV_1_0_LENOVO_THINKPAD.pdf

Schematic for Lenovo BYG40 / Yoga4 / SIT2 · board NM-A411 · 964 KB · shared in 5 Telegram posts.

TXTAbout Compal LCFC NM-A411 BYG40 Yoga4 SKL U CS SIT2 REV 1 0 LENOVO THINKPAD schematic

Compal LCFC NM-A411 BYG40 Yoga4 SKL U CS SIT2 REV 1 0 LENOVO THINKPAD is a free Lenovo BYG40 / Yoga4 / SIT2 motherboard schematic diagram for board NM-A411. The PDF file is 964 KB and covers board revision 1. It was first posted on 19 Jul 2020 and is available in 5 Telegram channels.

The NM-A411 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 board packs and BIOS dumps — see all NM-A411 files.

Type
Schematics
Format
.pdf · PDF schematic
Size
964 KB
Brand
Lenovo
Board number
NM-A411
Model
BYG40, Yoga4, SIT2
Revision
1
First posted
19 Jul 2020
Last posted
13 Sept 2025
Sources
5

Tags

J1Download NM-A411 schematic from Telegram

R1How to download Compal LCFC NM-A411 BYG40 Yoga4 SKL U CS SIT2 REV 1 0 LENOVO THINKPAD

  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 Compal_LCFC_NM_A411_BYG40_Yoga4_SKL_U_CS_SIT2_REV_1_0_LENOVO_THINKPAD.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-A411. 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.