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WISTRON_LZ57_Discrete,UMA_91_4PA01.pdf

Schematic for Wistron LZ57 / 4PA01 · 2.0 MB · shared in 12 Telegram posts.

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TXTAbout WISTRON LZ57 Discrete,UMA 91 4PA01 schematic

WISTRON LZ57 Discrete,UMA 91 4PA01 is a free Wistron LZ57 / 4PA01 motherboard schematic diagram. The PDF file is 2.0 MB. It was first posted on 3 May 2018 and is available in 12 Telegram channels.

The LZ57 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 laptop boards.

Type
Schematics
Format
.pdf · PDF schematic
Size
2.0 MB
Brand
Wistron
Model
LZ57, 4PA01
Notes
UMA (integrated graphics)
First posted
3 May 2018
Last posted
23 Jul 2026
Sources
12

Tags

Wistron LZ57 schematicWistron LZ57 motherboardWistron LZ57 circuit diagramWistron schematic pdflaptop schematic diagramWistron laptop schematic diagramschematic free download

J1Download LZ57 schematic from Telegram

R1How to download WISTRON LZ57 Discrete,UMA 91 4PA01

  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 WISTRON_LZ57_Discrete,UMA_91_4PA01.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 LZ57. 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.