SCH

Lenovo_Ideapad_320_15IKB=EG521_EG522_EZ511_EG721_NM_B452_DIS.rar

Schematic for Lenovo 15IKB / EG521 / EG522 · board NM-B452 · 31.6 MB · shared in 2 Telegram posts.

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TXTAbout Lenovo Ideapad 320 15IKB EG521 EG522 EZ511 EG721 NM-B452 DIS schematic

Lenovo Ideapad 320 15IKB EG521 EG522 EZ511 EG721 NM-B452 DIS is a free Lenovo 15IKB / EG521 / EG522 motherboard schematic diagram for board NM-B452. It is packed in a RAR archive of 31.6 MB. It was first posted on 13 Jul 2022 and is available in 2 Telegram channels.

The NM-B452 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, board packs and BIOS dumps — see all NM-B452 files.

Type
Schematics
Format
.rar · RAR archive
Size
31.6 MB
Brand
Lenovo
Board number
NM-B452
Model
15IKB, EG521, EG522
Notes
DIS (discrete graphics)
First posted
13 Jul 2022
Last posted
26 Sept 2023
Sources
2

Tags

NM-B452 schematicNM-B452 schematic diagramLenovo NM-B452Lenovo 15IKB schematicLenovo 15IKB motherboardLenovo 15IKB circuit diagramLenovo schematic pdflaptop schematic diagramLenovo laptop schematic diagramschematic free download

MSGFrom the Telegram post

NM-B452 SHEMATIC

J1Download NM-B452 schematic from Telegram

R1How to download Lenovo Ideapad 320 15IKB EG521 EG522 EZ511 EG721 NM-B452 DIS

  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_320_15IKB=EG521_EG522_EZ511_EG721_NM_B452_DIS.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-B452. 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.