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Lenovo B480_B590 wistron LA48 LA480 MB 11264_11273 RevSC PDF.pdf

Schematic for Lenovo B480 / B590 / LA48 · 1.4 MB · shared in 2 Telegram posts.

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TXTAbout Lenovo B480 B590 wistron LA48 LA480 MB 11264 11273 RevSC PDF schematic

Lenovo B480 B590 wistron LA48 LA480 MB 11264 11273 RevSC PDF is a free Lenovo B480 / B590 / LA48 motherboard schematic diagram. The PDF file is 1.4 MB. It was first posted on 22 Mar 2026 and is available in 2 Telegram channels.

The B480 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.

Type
Schematics
Format
.pdf · PDF schematic
Size
1.4 MB
Brand
Lenovo
Model
B480, B590, LA48
First posted
22 Mar 2026
Last posted
26 Mar 2026
Sources
2

Tags

Lenovo B480 schematicLenovo B480 motherboardLenovo B480 circuit diagramLenovo schematic pdflaptop schematic diagramLenovo laptop schematic diagramschematic free download

MSGFrom the Telegram post

Lenovo B480 B590 wistron LA48 LA480 MB 11264 11273 RevSC Schematics

J1Download B480 schematic from Telegram

R1How to download Lenovo B480 B590 wistron LA48 LA480 MB 11264 11273 RevSC 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 Lenovo B480_B590 wistron LA48 LA480 MB 11264_11273 RevSC 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 B480. 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.