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Apple Mac Mini A1347 - 820-5509 - 820-5509-A J64 MLB_2C PDF .pdf

Schematic for Apple A1347 / J64 · board 820-5509, 820-5509-A · 1.3 MB · shared in 4 Telegram posts.

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TXTAbout Apple Mac Mini A1347 - 820-5509 - 820-5509-A J64 MLB 2C PDF schematic

Apple Mac Mini A1347 - 820-5509 - 820-5509-A J64 MLB 2C PDF is a free Apple A1347 / J64 motherboard schematic diagram for board 820-5509 / 820-5509-A. The PDF file is 1.3 MB. It was first posted on 9 Apr 2023 and is available in 4 Telegram channels.

The 820-5509 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 Apple boards.

For the same board you can also find BIOS dumps — see all 820-5509 files.

Type
Schematics
Format
.pdf · PDF schematic
Size
1.3 MB
Brand
Apple
Board number
820-5509, 820-5509-A
Model
A1347, J64
First posted
9 Apr 2023
Last posted
11 Sept 2025
Sources
4

Tags

820-5509 schematic820-5509 schematic diagramApple 820-5509820-5509-A schematic820-5509-A schematic diagramApple 820-5509-AApple A1347 schematicApple A1347 motherboardApple A1347 circuit diagramApple schematic pdflaptop schematic diagramApple laptop schematic diagramschematic free download

MSGFrom the Telegram post

Apple Mac Mini A1347 - 820-5509 - 820-5509-A J64 MLB 2C Schematic

J1Download 820-5509 schematic from Telegram

R1How to download Apple Mac Mini A1347 - 820-5509 - 820-5509-A J64 MLB 2C 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 Apple Mac Mini A1347 - 820-5509 - 820-5509-A J64 MLB_2C 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 820-5509. 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.