820-01958 – Apple A2179
820-01958 is the Apple main board used in the Apple A2179 and Apple X1783. The catalog lists 4 files for it: 3 schematics and 2 boardviews.
File names mention revision A. First posted in September 2021 in Schematics & Boardviews Archive and Cyberlan Electronics.
Schematics 3
Boardviews 1
Board facts
| Board number | 820-01958 |
|---|---|
| Numbering | Apple board number |
| Revisions | A |
| First seen | 2021-09-16 |
| 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. |
Apple models for this logic board
| A-number | Model | Years |
|---|---|---|
| A2179 | MacBook Air 13-inch (Intel) | 2020 |
A-numbers come from the file names; the model names and years are Apple's published identifiers.
Laptops that use 820-01958
- Apple A2179
- Apple X1783
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 |
|---|---|---|
| .bdv | Honhan .bdv boardview | OpenBoardView, FlexBV or Honhan BoardViewer |
| 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 820-01958 board?
Files in the catalog link 820-01958 to the Apple A2179 and Apple X1783.
Is there a boardview for 820-01958?
Yes, 2 boardview files in .bdv 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.