820-01521 is a Apple motherboard used in Apple devices. Enginerys has 14 schematics, 18 boardviews, 2 BIOS dumps and 7 archives for this board, collected from public Telegram channels.
Check that 820-01521 matches the number printed on your PCB, including the revision. Where to find it →
820-01521 schematics
- APPLE MACBOOK AIR 13 RETINA 820-01521-02 2018(PDF)PKSchematic · 820-01521 · 1.60 MB · 20 Sept 2025Schematic pdf1.60 MB
- 820-01521 Physical scanning imageSchematic · 820-01521 · 2.98 MB · 10 May 2025Schematic pdf2.98 MB
- 820-01521 X1032 J140 Circuit diagramSchematic · 820-01521 · 1.67 MB · 10 May 2025Schematic pdf1.67 MB
- 820-01521 Location map enSchematic · 820-01521 · 5.14 MB · 10 May 2025Schematic pdf5.14 MB
- AFS APPLE MACBOOK AIR 13 RETINA 820-01521-02 2018Schematic · 820-01521 · 1.62 MB · 9 May 2025Schematic pdf1.62 MB
- AFS MacBook Air 13 Retina 2018 820-01521-02Schematic · 820-01521 · 2.19 MB · 9 May 2025Schematic pdf2.19 MB
- MacBook Air 13 Retina 2018 820-01521-02 (Luirons Esquemas)Schematic · 820-01521 · 3.04 MB · 9 May 2025Schematic pdf3.04 MB
- 820-01521 j140 mlb bttf 051-04039 2.0.0 PDFSchematic · 820-01521 · 3.55 MB · 15 Dec 2024Schematic rar3.55 MB
- 820-01521 j140 mlb bttf 051-04039 2.0.0 PDFSchematic · 820-01521 · 3.88 MB · 17 Feb 2024Schematic pdf3.88 MB
- 820-01521 j140 mlb bttf 051-04039 2.0.0 PDF
Schematic PDF for Apple logic board 820-01521, project J140 MLB, document number 051-04039 at version 2.0.0. It is packed in a 3.60 MB RAR archive.
Schematic · 820-01521 · 3.60 MB · 17 Feb 2024Schematic rar3.60 MB - 820-01521 j140 mlb bttf 051-04039 2.0.0Schematic · 820-01521 · 3.88 MB · 25 Jul 2022Schematic pdf3.88 MB
- MacBook Air 13 Retina 2018 820-01521-02
Apple schematic for the MacBook Air 13 Retina, 2018, logic board 820-01521 at revision 02 according to the name.
Schematic · 820-01521 · 3.04 MB · 13 Sept 2021Schematic pdf3.04 MB - APPLE MACBOOK AIR 13 RETINA 820-01521-02 2018
Schematic for the Apple MacBook Air 13-inch Retina 2018, logic board 820-01521 revision 02, in a 1.54 MB zip.
Schematic · 820-01521 · 1.54 MB · 6 Feb 2021Schematic zip1.54 MB - APPLE MACBOOK AIR 13 RETINA 820-01521-02 2018
Schematic for the 2018 MacBook Air 13 inch Retina logic board 820-01521, the -02 suffix marking a specific revision of the drawings.
Schematic · 820-01521 · 1.60 MB · 15 Jan 2021Schematic pdf1.60 MB
820-01521 boardviews
- 820-01521 PJJ MLB Pre-EVT2 BOARDVIEW(PK)Boardview · 820-01521 · 94.5 KB · 24 Oct 2025Boardview rar94.5 KB
- 820 01521 Apple MacBook Air 13'' Retina 2018 X1032 PJJ MLB BTTFBoardview · 820-01521 · 94.6 KB · 20 Sept 2025Boardview rar94.6 KB
- J140 820-01521-ABoardview · 820-01521 · 1.52 MB · 10 May 2025Boardview pcb1.52 MB
- X1032 820-01521-ABoardview · 820-01521 · 1.52 MB · 10 May 2025Boardview pcb1.52 MB
- 820-01521-02 J140Boardview · 820-01521 · 1.52 MB · 10 May 2025Boardview pcb1.52 MB
- 820-01521-01Boardview · 820-01521 · 1.54 MB · 10 May 2025Boardview pcb1.54 MB
- A1932 820-01521 J140Boardview · 820-01521 · 2.09 MB · 10 May 2025Boardview pcb2.09 MB
- 820-01521-01Boardview · 820-01521 · 1.54 MB · 10 May 2025Boardview pcb1.54 MB
- 820-01521 PJJ MLB Pre-EVT2Boardview · 820-01521 · 1.52 MB · 10 May 2025Boardview pcb1.52 MB
- 820-01521 PJJ MLB Pre-EVT2 BOARDVIEW(BDV)(.BRD)Boardview · 820-01521 · 94.2 KB · 15 Dec 2024Boardview rar94.2 KB
- 820-01521 PJJ MLB Pre-EVT2
Apple logic board boardview for 820-01521, with the name tagging it PJJ MLB Pre-EVT2, so it reflects a pre-production engineering build rather than final shipping…
Boardview · 820-01521 · 115 KB · 28 Feb 2024Boardview zip115 KB - 820-01521 PJJ MLB Pre-EVT2 BOARDVIEW(BDV)(.BRD)Boardview · 820-01521 · 115 KB · 17 Feb 2024Boardview zip115 KB
- 820-01521 PJJ MLB Pre-EVT2 BOARDVIEW(BDV)(.BRD)
Apple logic board boardview for 820-01521, with the internal code PJJ noted, from the Pre-EVT2 engineering stage. It comes as a .BRD file inside a 140 KB RAR.
Boardview · 820-01521 · 140 KB · 17 Feb 2024Boardview rar140 KB - A1932 820-01521Boardview · 820-01521 · 581 KB · 7 Dec 2022Boardview brd581 KB
- 820 01521 Apple MacBook Air 13'' Retina 2018 X1032 PJJ MLB BTTFBoardview · 820-01521 · 581 KB · 16 Sept 2021Boardview brd581 KB
- 820-01521 PJJ MLB Pre-EVT2
Boardview for Apple logic board 820-01521, the PJJ MLB, marked as a Pre-EVT2 engineering stage, compressed to 140 KB in rar.
Boardview · 820-01521 · 140 KB · 6 Feb 2021Boardview rar140 KB - 820-01521 PJJ MLB Pre-EVT2
Boardview for an Apple logic board 820-01521, identified as the PJJ main logic board at Pre-EVT2 stage, an early engineering build before production.
Boardview · 820-01521 · 94.5 KB · 31 Oct 2020Boardview rar94.5 KB - 820-01521 PJJ MLB Pre-EVT2
Boardview for Apple logic board 820-01521, tagged PJJ MLB and Pre-EVT2, in BRD format at 581 KB.
Boardview · 820-01521 · 581 KB · 2 Oct 2019Boardview brd581 KB
820-01521 BIOS dumps
- A1932 820-01521 U2890.bin telegram BIOS Repair-2025-09-16BIOS · 820-01521 · 685 KB · 16 Sept 2025BIOS zip685 KB
- A1932 820-01521 U2890.bin
Firmware binary for the Apple A1932 MacBook Air on logic board 820-01521, from chip location U2890, compressed in a 596 KB ZIP.
BIOS · 820-01521 · 596 KB · 26 Nov 2022BIOS zip596 KB
820-01521 archives
- 820-01521Archive · 820-01521 · 26.3 MB · 4 Mar 2024Archive rar26.3 MB
- Photos A1932 820-01521Archive · 820-01521 · 26.3 MB · 2 Nov 2023Archive rar26.3 MB
- 820-01521 PJJ MLB Pre-EVT2
Small 140 KB RAR archive for Apple main logic board 820-01521, labelled PJJ MLB Pre-EVT2.
Archive · 820-01521 · 140 KB · 20 Apr 2022Archive rar140 KB - 820-01521 PJJ MLB Pre-EVT2Archive · 820-01521 · 140 KB · 20 Apr 2022Archive rar140 KB
- APPLE MACBOOK AIR 13 RETINA 820-01521-02 2018Archive · 820-01521 · 1.38 MB · 2 May 2021Archive rar1.38 MB
- APPLE MACBOOK AIR 13 RETINA 820-01521-02 2018
Rar archive, 1.42 MB, for the 2018 MacBook Air 13-inch Retina with logic board 820-01521 revision 02.
Archive · 820-01521 · 1.42 MB · 6 Feb 2021Archive rar1.42 MB - APPLE MACBOOK AIR 13 RETINA 820-01521-02 2018
Repair archive for the 2018 MacBook Air 13-inch Retina logic board 820-01521, revision 02 according to the name.
Archive · 820-01521 · 1.50 MB · 19 Jul 2020Archive zip1.50 MB
Questions about 820-01521
Is there a schematic for 820-01521?
Yes. Enginerys lists 14 schematic files for 820-01521. Each entry links to the Telegram post where the PDF can be downloaded.
Is there a boardview for 820-01521?
Yes, 18 boardview files are listed. Open them with OpenBoardView or the viewer named on the file page.
Who makes the 820-01521 board?
820-01521 follows the Apple numbering scheme (820-xxxxx). It is found in Apple devices.