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Dell Latitude L400 (Quanta SS3 3B) Laptop Schematics.PDF

Schematic for Dell L400 / SS3 · 774 KB · shared in 2 Telegram posts.

TXTAbout Dell Latitude L400 (Quanta SS3 3B) Laptop Schematics schematic

Dell Latitude L400 (Quanta SS3 3B) Laptop Schematics is a free Dell L400 / SS3 motherboard schematic diagram. The PDF file is 774 KB. It was first posted on 25 Nov 2022 and is available in 2 Telegram channels.

The L400 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 Dell boards.

Type
Schematics
Format
.pdf · PDF schematic
Size
774 KB
Brand
Dell
Model
L400, SS3
First posted
25 Nov 2022
Last posted
8 Jun 2025
Sources
2

Tags

J1Download L400 schematic from Telegram

R1How to download Dell Latitude L400 (Quanta SS3 3B) Laptop Schematics

  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 Dell Latitude L400 (Quanta SS3 3B) Laptop Schematics.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 L400. 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.