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SCHEMATIC_LENOVO_ThinkPad_L440_Wistron_LOS_1_DIS_UMA_12289_1_Rev.pdf

Schematic for Lenovo L440 · 17.9 MB · shared in 1 Telegram post.

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TXTAbout SCHEMATIC LENOVO ThinkPad L440 Wistron LOS 1 DIS UMA 12289 1 Rev schematic

SCHEMATIC LENOVO ThinkPad L440 Wistron LOS 1 DIS UMA 12289 1 Rev is a free Lenovo L440 motherboard schematic diagram. The PDF file is 17.9 MB. It was first posted on 13 Sept 2021 and is available in 1 Telegram channel.

The L440 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 Lenovo boards.

Type
Schematics
Format
.pdf · PDF schematic
Size
17.9 MB
Brand
Lenovo
Model
L440
Notes
UMA (integrated graphics), DIS (discrete graphics)
First posted
13 Sept 2021
Last posted
13 Sept 2021
Sources
1

Tags

Lenovo L440 schematicLenovo L440 motherboardLenovo L440 circuit diagramLenovo schematic pdflaptop schematic diagramLenovo laptop schematic diagramschematic free download

J1Download L440 schematic from Telegram

R1How to download SCHEMATIC LENOVO ThinkPad L440 Wistron LOS 1 DIS UMA 12289 1 Rev

  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 SCHEMATIC_LENOVO_ThinkPad_L440_Wistron_LOS_1_DIS_UMA_12289_1_Rev.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 L440. 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.