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Asus_VivoBook_14_X421EAY_X421EPY_X421EQY_X421EAY_X421EAY_EPY_EQY.pdf

Schematic for Asus X421EAY / X421EPY / X421EQY · 7.9 MB · shared in 3 Telegram posts.

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TXTAbout Asus VivoBook 14 X421EAY X421EPY X421EQY X421EAY X421EAY EPY EQY schematic

Asus VivoBook 14 X421EAY X421EPY X421EQY X421EAY X421EAY EPY EQY is a free Asus X421EAY / X421EPY / X421EQY motherboard schematic diagram. The PDF file is 7.9 MB. It was first posted on 10 Mar 2024 and is available in 3 Telegram channels.

The X421EAY 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
7.9 MB
Brand
Asus
Model
X421EAY, X421EPY, X421EQY
First posted
10 Mar 2024
Last posted
21 Sept 2026
Sources
3

Tags

Asus X421EAY schematicAsus X421EAY motherboardAsus X421EAY circuit diagramAsus schematic pdflaptop schematic diagramAsus laptop schematic diagramschematic free download

MSGFrom the Telegram post

Asus VivoBook 14 X421EAY X421EPY X421EQY X421EAY X421EAY EPY EQY View Online

J1Download X421EAY schematic from Telegram

R1How to download Asus VivoBook 14 X421EAY X421EPY X421EQY X421EAY X421EAY EPY EQY

  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_VivoBook_14_X421EAY_X421EPY_X421EQY_X421EAY_X421EAY_EPY_EQY.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 X421EAY. 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.