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B340 B540 CIH77S V1.0 PDF .pdf

Schematic · 1.4 MB · shared in 3 Telegram posts.

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TXTAbout B340 B540 CIH77S V1.0 PDF schematic

B340 B540 CIH77S V1.0 PDF is a free B340 / B540 / CIH77S motherboard schematic diagram. The PDF file is 1.4 MB. It was first posted on 2 Sept 2023 and is available in 3 Telegram channels.

The B340 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
1.4 MB
Brand
—
Model
B340, B540, CIH77S
First posted
2 Sept 2023
Last posted
11 Sept 2025
Sources
3

Tags

B340 schematicB340 motherboardlaptop schematic pdflaptop schematic diagramschematic free download

MSGFrom the Telegram post

B340 B540 CIH77S V1.0 Schematic

J1Download B340 schematic from Telegram

R1How to download B340 B540 CIH77S V1.0 PDF

  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 B340 B540 CIH77S V1.0 PDF .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 B340. 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.