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EG521 EG522 MB Kabylake-U42 NM_B452 REV0.2 pdf .rar

Schematic for Compal EG521 / EG522 / Kabylake-U42 · board NM-B452 · 2.6 MB · shared in 2 Telegram posts.

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TXTAbout EG521 EG522 MB Kabylake-U42 NM-B452 REV0.2 pdf schematic

EG521 EG522 MB Kabylake-U42 NM-B452 REV0.2 pdf is a free Compal EG521 / EG522 / Kabylake-U42 motherboard schematic diagram for board NM-B452. It is packed in a RAR archive of 2.6 MB and covers board revision 0.2. It was first posted on 24 Nov 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 laptop 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
2.6 MB
Brand
Compal
Board number
NM-B452
Model
EG521, EG522, Kabylake-U42
Revision
0.2
First posted
24 Nov 2022
Last posted
15 Jul 2026
Sources
2

Tags

NM-B452 schematicNM-B452 schematic diagramCompal NM-B452Compal EG521 schematicCompal EG521 motherboardCompal EG521 circuit diagramCompal schematic pdflaptop schematic diagramCompal laptop schematic diagramschematic free download

J1Download NM-B452 schematic from Telegram

  • Схемы (Schematics), Boardview, Datashits и дампы BIOS для ремонта ноутбуков. База платформ: ASUS, Apple, Lenovo, HP, Acer, MSI. @cyberlanelectonik · 15 Jul 2026
    Open post
  • schematics|boardviews| ARCHIVE 💻💻 @schematicslaptop · 24 Nov 2022
    Open post

R1How to download EG521 EG522 MB Kabylake-U42 NM-B452 REV0.2 pdf

  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 EG521 EG522 MB Kabylake-U42 NM_B452 REV0.2 pdf .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.