820-3330B_J31.pdf

TXTAbout 820-3330B J31 schematic

820-3330B J31 is a free Apple 820-3330B / J31 motherboard schematic diagram for board 820-3330. The PDF file is 3.5 MB. It was first posted on 23 Jul 2021 and is available in 3 Telegram channels.

The 820-3330 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 board packs and BIOS dumps — see all 820-3330 files.

J1Download 820-3330 schematic from Telegram

R1How to download 820-3330B J31

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 820-3330B_J31.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 820-3330. Step-by-step help: downloading from Telegram.

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