SCH

Lenovo_ThinkPad_L440_Wistron_LOS_1_DIS_UMA_12289_1_Rev_1_Copy.pdf

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

Download in Telegram Similar files

TXTAbout Lenovo ThinkPad L440 Wistron LOS 1 DIS UMA 12289 1 Rev 1 Copy schematic

Lenovo ThinkPad L440 Wistron LOS 1 DIS UMA 12289 1 Rev 1 Copy is a free Lenovo L440 motherboard schematic diagram. The PDF file is 17.9 MB and covers board revision 1. It was first posted on 25 Jul 2022 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
Revision
1
Notes
UMA (integrated graphics), DIS (discrete graphics)
First posted
25 Jul 2022
Last posted
25 Jul 2022
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 Lenovo ThinkPad L440 Wistron LOS 1 DIS UMA 12289 1 Rev 1 Copy

  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 Lenovo_ThinkPad_L440_Wistron_LOS_1_DIS_UMA_12289_1_Rev_1_Copy.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.