SCH

hp-probook-4540s-12260-1.pdf

Schematic for HP · board 12260-1 · 2.2 MB · shared in 9 Telegram posts.

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TXTAbout hp-probook-4540s-12260-1 schematic

hp-probook-4540s-12260-1 is a free HP motherboard schematic diagram for board 12260-1. The PDF file is 2.2 MB. It was first posted on 14 Apr 2018 and is available in 9 Telegram channels.

The 12260-1 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 HP boards.

For the same board you can also find BIOS dumps — see all 12260-1 files.

Type
Schematics
Format
.pdf · PDF schematic
Size
2.2 MB
Brand
HP
Board number
12260-1
Notes
UMA (integrated graphics)
First posted
14 Apr 2018
Last posted
16 Jul 2026
Sources
9

Tags

12260-1 schematic12260-1 schematic diagramHP 12260-1HP schematic pdflaptop schematic diagramHP laptop schematic diagramschematic free download

MSGFrom the Telegram post

HP 4540S Roadrunner 1.1 12260-1 48.4SI08.011 UMA

J1Download 12260-1 schematic from Telegram

R1How to download hp-probook-4540s-12260-1

  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 hp-probook-4540s-12260-1.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 12260-1. 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.