SCH

DELL Inspiron 1464 1564 1764 - QUANTA UM3B UM6B UMA - REV 1C.rar

Schematic for Dell UM3B / UM6B · 1.2 MB · shared in 3 Telegram posts.

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TXTAbout DELL Inspiron 1464 1564 1764 - QUANTA UM3B UM6B UMA - REV 1C schematic

DELL Inspiron 1464 1564 1764 - QUANTA UM3B UM6B UMA - REV 1C is a free Dell UM3B / UM6B motherboard schematic diagram. It is packed in a RAR archive of 1.2 MB and covers board revision 1C. It was first posted on 31 Jan 2023 and is available in 3 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
.rar · RAR archive
Size
1.2 MB
Brand
Dell
Model
UM3B, UM6B
Revision
1C
Notes
UMA (integrated graphics)
First posted
31 Jan 2023
Last posted
15 Jul 2026
Sources
3

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 - QUANTA UM3B UM6B UMA - REV 1C

  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 - QUANTA UM3B UM6B UMA - REV 1C.rar to download it.
  3. Open it with 7-Zip (free) or WinRAR.

If a post was deleted, try another source above or search for UM3B. Step-by-step help: downloading from Telegram.

.RARWhat is a .rar file and how to open it?

RAR archive. A compressed folder. It can hold a schematic, a boardview, a BIOS dump or all three.

Open with:

  • 7-Zip (free)
  • WinRAR

Tip: If the archive asks for a password, look for it in the Telegram post text.