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dell_inspiron_1464_1564_1764_dis_quanta_um3b_um6b_laptop_schematics.pdf

Schematic for Dell um3b / um6b · 1.2 MB · shared in 2 Telegram posts.

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TXTAbout dell inspiron 1464 1564 1764 dis quanta um3b um6b laptop schematics schematic

dell inspiron 1464 1564 1764 dis quanta um3b um6b laptop schematics is a free Dell um3b / um6b motherboard schematic diagram. The PDF file is 1.2 MB. It was first posted on 25 Nov 2022 and is available in 2 Telegram channels.

The um3b 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
1.2 MB
Brand
Dell
Model
um3b, um6b
Notes
DIS (discrete graphics)
First posted
25 Nov 2022
Last posted
8 Jun 2025
Sources
2

Tags

Dell um3b schematicDell um3b motherboardDell um3b circuit diagramDell schematic pdflaptop schematic diagramDell laptop schematic diagramschematic free download

J1Download um3b schematic from Telegram

R1How to download dell inspiron 1464 1564 1764 dis quanta um3b um6b 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_inspiron_1464_1564_1764_dis_quanta_um3b_um6b_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 um3b. 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.