SCH

LM138 and LM338 datasheet.pdf

Schematic · 396 KB · shared in 1 Telegram post.

TXTAbout LM138 and LM338 datasheet schematic

LM138 and LM338 datasheet is a free LM138 / LM338 motherboard schematic diagram. The PDF file is 396 KB. It was first posted on 8 Aug 2026 and is available in 1 Telegram channel.

The LM138 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
396 KB
Brand
—
Model
LM138, LM338
First posted
8 Aug 2026
Last posted
8 Aug 2026
Sources
1

Tags

J1Download LM138 schematic from Telegram

  • Схемы (Schematics), Boardview, Datashits и дампы BIOS для ремонта ноутбуков. База платформ: ASUS, Apple, Lenovo, HP, Acer, MSI. @cyberlanelectonik · 8 Aug 2026
    Open post

R1How to download LM138 and LM338 datasheet

  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 LM138 and LM338 datasheet.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 LM138. 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.