SCH

HP ProBook 4320s 4321s Quanta SX6 Discrete Rev 2B.pdf

Schematic for HP 4320s / 4321s / SX6 · 1.2 MB · shared in 5 Telegram posts.

TXTAbout HP ProBook 4320s 4321s Quanta SX6 Discrete Rev 2B schematic

HP ProBook 4320s 4321s Quanta SX6 Discrete Rev 2B is a free HP 4320s / 4321s / SX6 motherboard schematic diagram. The PDF file is 1.2 MB and covers board revision 2B. It was first posted on 6 Jul 2021 and is available in 5 Telegram channels.

The 4320s 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.

Type
Schematics
Format
.pdf · PDF schematic
Size
1.2 MB
Brand
HP
Model
4320s, 4321s, SX6
Revision
2B
First posted
6 Jul 2021
Last posted
23 Apr 2026
Sources
5

Tags

MSGFrom the Telegram post

HP ProBook 4320s 4321s Quanta SX6 Discrete Rev 2B Schematic

J1Download 4320s schematic from Telegram

R1How to download HP ProBook 4320s 4321s Quanta SX6 Discrete Rev 2B

  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 4320s 4321s Quanta SX6 Discrete Rev 2B.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 4320s. 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.