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ASUS E402SA (REV 2.1) PDF.pdf

Schematic for Asus E402SA · 848 KB · shared in 1 Telegram post.

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TXTAbout ASUS E402SA (REV 2.1) PDF schematic

ASUS E402SA (REV 2.1) PDF is a free Asus E402SA motherboard schematic diagram. The PDF file is 848 KB and covers board revision 2.1. It was first posted on 17 Jan 2026 and is available in 1 Telegram channel.

The E402SA 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 Asus boards.

Type
Schematics
Format
.pdf · PDF schematic
Size
848 KB
Brand
Asus
Model
E402SA
Revision
2.1
First posted
17 Jan 2026
Last posted
17 Jan 2026
Sources
1

Tags

Asus E402SA schematicAsus E402SA motherboardAsus E402SA circuit diagramAsus schematic pdflaptop schematic diagramAsus laptop schematic diagramschematic free download

MSGFrom the Telegram post

ASUS E402SA (REV 2.1) Repair Guide

J1Download E402SA schematic from Telegram

R1How to download ASUS E402SA (REV 2.1) 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 ASUS E402SA (REV 2.1) PDF.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 E402SA. 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.