820-03286 – Apple X2819
820-03286 is the Apple main board used in the Apple X2819. The catalog lists 4 files for it: 2 schematics and 2 boardviews.
File names mention revision 4.0. The earliest file dates from November 2025 (Schematics & Boardviews Archive and Cyberlan Electronics).
Schematics 2
Boardviews 2
Board facts
| Board number | 820-03286 |
|---|---|
| Numbering | Apple board number |
| Revisions | 4.0 |
| First seen | 2025-11-15 |
| Source channels | Schematics & Boardviews Archive, Cyberlan Electronics |
| About the number | Apple logic boards are numbered 820-xxxx or 820-xxxxx; the trailing letter is the revision. |
Laptops that use 820-03286
- Apple X2819
What these files are for
A schematic is the circuit diagram of the main board: power rails, power-up sequence, component values and net names. It is the reference for measuring voltages and tracing a fault.
A boardview is the component placement map of the PCB: click a part or a net and the viewer highlights where it is and what it connects to. Used together with the schematic to find test points.
Tools to open these files
| Format | What it is | Open with |
|---|---|---|
| .brd | .brd boardview (Test_Link format) | OpenBoardView, FlexBV or BoardViewer |
| .bvr | .bvr boardview | FlexBV or OpenBoardView |
| PDF schematic | any PDF reader; Sumatra PDF and Foxit handle large schematics well | |
| .rar | RAR archive | 7-Zip or WinRAR |
Questions
Which laptops use the 820-03286 board?
Files in the catalog link 820-03286 to the Apple X2819.
Is there a boardview for 820-03286?
Yes, 2 boardview files in .brd and .bvr format.
Where do the download links go?
Each button opens the original public Telegram post the file was shared in. ChambersDesignInc.com only indexes and cross-references those posts.