SCH

Lenovo_Ideapad_330_15IKB_LCFC_EG523_NM_B453_DIS_Rev0_1_2017_03_15.pdf

Schematic for Lenovo 15IKB / EG523 · board NM-B453 · 4.4 MB · shared in 6 Telegram posts.

TXTAbout Lenovo Ideapad 330 15IKB LCFC EG523 NM-B453 DIS Rev0 1 2017 03 15 schematic

Lenovo Ideapad 330 15IKB LCFC EG523 NM-B453 DIS Rev0 1 2017 03 15 is a free Lenovo 15IKB / EG523 motherboard schematic diagram for board NM-B453. The PDF file is 4.4 MB and covers board revision 0. It was first posted on 17 Nov 2020 and is available in 6 Telegram channels.

The NM-B453 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, BIOS dumps and board packs — see all NM-B453 files.

Type
Schematics
Format
.pdf · PDF schematic
Size
4.4 MB
Brand
Lenovo
Board number
NM-B453
Model
15IKB, EG523
Revision
0
Notes
DIS (discrete graphics)
First posted
17 Nov 2020
Last posted
4 Aug 2025
Sources
6

Tags

MSGFrom the Telegram post

Lenovo Ideapad 330 15IKB LCFC EG523 NM B453 DIS Rev0 1 2017 03 15 Schematics

J1Download NM-B453 schematic from Telegram

R1How to download Lenovo Ideapad 330 15IKB LCFC EG523 NM-B453 DIS Rev0 1 2017 03 15

  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_Ideapad_330_15IKB_LCFC_EG523_NM_B453_DIS_Rev0_1_2017_03_15.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-B453. 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.