Apple Macbook Pro A1278_820-3115-B schematic.pdf

TXTAbout Apple Macbook Pro A1278 820-3115-B schematic schematic

Apple Macbook Pro A1278 820-3115-B schematic is a free Apple A1278 motherboard schematic diagram for board 820-3115-B. The PDF file is 1.5 MB. It was first posted on 8 Jun 2025 and is available in 1 Telegram channel.

The 820-3115-B 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 a boardview, BIOS dumps and board packs — see all 820-3115-B files.

J1Download 820-3115-B schematic from Telegram

R1How to download Apple Macbook Pro A1278 820-3115-B schematic

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 Macbook Pro A1278_820-3115-B schematic.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 820-3115-B. Step-by-step help: downloading from Telegram.

.PDFWhat is a .pdf file and how to open it?