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HP ProBook 4420s 4321 4321s Dis (Quanta SX6) Schematic.pdf

Schematic for HP 4420s / 4321s / SX6 · 1.5 MB · shared in 2 Telegram posts.

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TXTAbout HP ProBook 4420s 4321 4321s Dis (Quanta SX6) Schematic schematic

HP ProBook 4420s 4321 4321s Dis (Quanta SX6) Schematic is a free HP 4420s / 4321s / SX6 motherboard schematic diagram. The PDF file is 1.5 MB. It was first posted on 2 Aug 2023 and is available in 2 Telegram channels.

The 4420s 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
1.5 MB
Brand
HP
Model
4420s, 4321s, SX6
Notes
DIS (discrete graphics)
First posted
2 Aug 2023
Last posted
27 Sept 2023
Sources
2

Tags

HP 4420s schematicHP 4420s motherboardHP 4420s circuit diagramHP schematic pdflaptop schematic diagramHP laptop schematic diagramschematic free download

J1Download 4420s schematic from Telegram

R1How to download HP ProBook 4420s 4321 4321s Dis (Quanta SX6) Schematic

  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 4420s 4321 4321s Dis (Quanta SX6) Schematic.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 4420s. 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.