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- Apple iMac 27 A1419 D8 MLB 051-9504 Rev 7.0.0
Main logic board (MLB) schematic archive for the Apple iMac 27-inch A1419, project D8, document 051-9504 at revision 7.0.0.
Archive · 2.44 MB · 5 Jul 2019Archive rar—2.44 MB - 820-00928 MLB BAFFIN2 SCHEMATIC PDF
Apple schematic for logic board 820-00928, project MLB Baffin2, as a PDF inside a 3.18 MB RAR.
Schematic · 820-00928 · 3.18 MB · 17 Oct 2021Schematic rar3.18 MB - 820-00928 MLB BAFFIN2 diagram LO PDF
Apple schematic for logic board 820-00928, labelled MLB_BAFFIN2 diagram_LO and packed as a PDF inside a 3.18 MB RAR file.
Schematic · 820-00928 · 3.18 MB · 2 Sept 2025Schematic rar3.18 MB - J223 MLB 820-01987-02
Boardview for Apple J223 MLB, logic board 820-01987, revision 02. The .pcb format stores part placement and net connectivity, so a viewer like FlexBV or OpenBoardView…
Boardview · 820-01987 · 2.01 MB · 1 Jun 2023Boardview pcb2.01 MB - Lenovo T400 - MALIBU-3 EXT MLB3D - REV 1.42 PDF
Lenovo ThinkPad T400 schematic in PDF, covering the MALIBU-3 EXT design, board MLB3D, revision 1.42.
Schematic · 954 KB · 5 Jun 2022Schematic rar—954 KB - J17 MLB 051-9884 820-3478-A PDF
Apple J17 MLB schematic, drawing number 051-9884, for logic board 820-3478-A, delivered as a PDF inside a RAR archive.
Schematic · 820-3478 · 3.14 MB · 27 Oct 2021Schematic rar3.14 MB - 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 00045 Apple Macbook A1534 J92 MLB NEWARK EVT 051 00107
Archive for the Apple MacBook A1534, project J92, logic board 820-00045, schematic document 051-00107, labelled MLB NEWARK EVT.
Archive · 820-00045 · 1.92 MB · 19 Jul 2020Archive zip1.92 MB - LENOVO T400 - MALIBU-3 EXT MLB3D - REV 1.42
Schematic archive for the Lenovo ThinkPad T400 on the Malibu-3 EXT platform, labelled MLB3D, revision 1.42, in a 909 KB RAR.
Archive · 909 KB · 1 Oct 2019Archive rar—909 KB - Lenovo T400 MALIBU-3 EXT MLB3D REV 1.42 PDF
PDF schematic for the Lenovo ThinkPad T400, project Malibu-3 EXT, board code MLB3D, revision 1.42, packed in a 954 KB RAR.
Schematic · 954 KB · 12 Mar 2023Schematic rar—954 KB - IBM T400 MLB3I-7 Boardview
Boardview for the IBM-branded ThinkPad T400 with the board code MLB3I-7, packed as a ZIP archive.
Boardview · 853 KB · 5 Jun 2022Boardview zip—853 KB - k21 mlb 051-8870 3.13.0 PDF
Schematic PDF for Apple project K21, MLB drawing 051-8870 version 3.13.0, compressed in a 3.09 MB RAR.
Schematic · 3.09 MB · 5 Jul 2021Schematic rar—3.09 MB - 820-00928 MLB BAFFIN2 diagram LO PDF
Apple schematic in PDF for logic board 820-00928, design name MLB BAFFIN2, compressed into a 3.18 MB RAR archive. The 820- prefix is Apple's logic board numbering.
Schematic · 820-00928 · 3.18 MB · 24 Jun 2021Schematic rar3.18 MB - APPLE IMAC G5 A1058 M39 MLB IMG5 - 051-6482 - REV C
Apple iMac G5 model A1058 logic board schematic archive, code name M39, titled MLB IMG5, with document number 051-6482 at revision C.
Archive · 2.63 MB · 5 Jul 2019Archive rar—2.63 MB - Apple MacBook Pro A1236 Apple WHITE ARROW MLB K18 820-2850-A
EFI firmware dump for the MacBook Pro A1236 on Apple logic board 820-2850 revision A, called WHITE ARROW, with MLB K18 in the name, MLB meaning main logic board and K18…
BIOS · 820-2850 · 1.80 MB · 4 Dec 2018BIOS rar1.80 MB - 820-00928 MLB BAFFIN2 diagram LO
RAR archive of 3.18 MB containing the schematic diagram for Apple logic board 820-00928, marked MLB_BAFFIN2 diagram_LO.
Schematic · 820-00928 · 3.18 MB · 2 Sept 2025Schematic rar3.18 MB - J230 MLB 820-01958-02
Apple J230 MLB boardview for logic board 820-01958, revision 02. The .pcb file maps every component and net of the main board, so it supports tracing rails from…
Boardview · 820-01958 · 1.54 MB · 1 Jun 2023Boardview pcb1.54 MB - THINKPAD T400 MLB31-9 8MB NEW
BIOS image for the Lenovo ThinkPad T400 with board marking MLB31-9, packed as a 2.91 MB RAR.
BIOS · 2.91 MB · 25 Oct 2021BIOS rar—2.91 MB - APPLE IMAC A1150 M9 SYMPHONY EVT MLB - 051-7066 - REV 02
Apple iMac A1150 M9 documentation archive described as SYMPHONY EVT MLB, document number 051-7066, revision 02.
Archive · 394 KB · 5 Jul 2019Archive rar—394 KB - APPLE 820-3642-A 051-9216 MLB D1
Apple logic board 820-3642 revision A documentation with the related 051-9216 document number, also labelled MLB D1 in the name, where MLB stands for main logic board.
Archive · 820-3642 · 1.79 MB · 2 Oct 2021Archive rar1.79 MB - Apple X2819 MLB 820-03286 051-09344 BOARDVIEW(BDV
Apple boardview for model X2819, main logic board 820-03286, with schematic reference 051-09344, provided in BDV format inside a 247 KB ZIP.
Boardview · 820-03286 · 247 KB · 23 Oct 2026Boardview zip247 KB - 820-01055-07 Location map MLB EVT 0307
Apple 820-01055 logic board location map, revision 07, with the name also marking it as an MLB EVT drawing dated or coded 0307.
Schematic · 820-01055 · 92.1 KB · 1 Jun 2023Schematic pdf92.1 KB - 820-00034-A J117 MLB PDF SCHEMATIC
Apple logic board schematic for 820-00034-A, project J117 MLB (main logic board), provided as a PDF in a 1.90 MB RAR archive.
Schematic · 820-00034 · 1.90 MB · 12 Nov 2022Schematic rar1.90 MB - Apple IMac 27 A1312 SCH K23 MLB Schematics AMD 109 B97157 00
Apple schematic for the iMac 27-inch A1312, K23 logic board (MLB), for the version with AMD graphics, document number 109-B97157-00. The RAR archive is 1.46 MB.
Schematic · 1.46 MB · 11 Jul 2022Schematic rar—1.46 MB - SCHEM,MLB LDO,K6
Archive whose name points to a schematic for an Apple-style logic board, with SCHEM and MLB tokens indicating main logic board schematics, plus LDO and K6 tokens whose…
Archive · 1.40 MB · 6 Jun 2021Archive rar—1.40 MB - apple-imac-27-a1312-sch-k23-mlb-schematics
Logic board schematic for the Apple iMac 27-inch, model A1312, with K23 being Apple's internal code for this main logic board (MLB).
Schematic · 1.59 MB · 25 Dec 2017Schematic pdf—1.59 MB - Apple iMac A1418 820-3302-a D7 MLB DVT Boardview
Apple iMac A1418 logic board boardview for board 820-3302-A, marked D7 MLB DVT, supplied as a 174 KB ZIP.
Boardview · 820-3302 · 174 KB · 18 Sept 2026Boardview zip174 KB - Apple ipad 2 K94 Chopin MLB 820-3069-A
Apple iPad 2 logic board material for the K94 model, code-named Chopin, main logic board 820-3069 revision A, in a 535 KB RAR archive.
Archive · 820-3069 · 535 KB · 13 Sept 2021Archive rar535 KB - LENOVO T400 - MALIBU-3 EXT MLB3D - REV 1.42
Archive for the Lenovo ThinkPad T400 under the Malibu-3 project, marked EXT MLB3D at revision 1.42, in a 954 KB RAR file.
Archive · 954 KB · 28 Aug 2021Archive rar—954 KB - Apple X502 MLB CATZ 820-00875 051-02265 BDV
Boardview for Apple X502 MLB_CATZ logic board 820-00875, linked to schematic 051-02265, in a 154 KB RAR.
Boardview · 820-00875 · 154 KB · 27 Jun 2021Boardview rar154 KB - A1419 820-4652 820-4652-A J78 MLB CTX
Archive for the Apple A1419 iMac logic board 820-4652-A, project code J78, marked MLB CTX, compressed into an 11.3 MB ZIP.
Archive · 820-4652 · 11.3 MB · 30 Mar 2021Archive zip11.3 MB - Apple X2681 MLB-S 820-02918 051-08242
Boardview package for an Apple logic board, project X2681, MLB-S, board number 820-02918 with the associated 051-08242 schematic reference.
Boardview · 820-02918 · 209 KB · 15 Feb 2025Boardview zip209 KB - 820 00875 Apple MacBook Pro 13'' A1708 X502 MLB CATZ REV 1 0 0 051
Archive for the Apple MacBook Pro 13-inch A1708, logic board 820-00875, internal project X502, named MLB CATZ, revision 1.0.0, with 051 in the name, Apple's prefix for…
Archive · 820-00875 · 1.56 MB · 19 Jul 2020Archive zip1.56 MB - Apple X3087 MLB 820-03597 051-10340
Boardview for the Apple X3087 main logic board, part number 820-03597, with the 051-10340 schematic reference included in the name.
Boardview · 820-03597 · 696 KB · 7 Nov 2026Boardview brd696 KB - APPLE IMAC A1150 M9 MLB PVT RESOLVED - 051-7023
Apple iMac A1150 M9 main logic board archive, PVT RESOLVED release, document 051-7023. PVT stands for production validation test, the final pre-release stage, so this…
Archive · 2.99 MB · 5 Jul 2019Archive rar—2.99 MB - MacBook Pro 13″ Touch Bar X941 MLB 051 02166 2018 820 00850 A
Firmware for the 2018 MacBook Pro 13-inch with Touch Bar, logic board 820-00850-A, Apple project X941, MLB 051-02166.
BIOS · 820-00850 · 2.07 MB · 24 Apr 2021BIOS rar2.07 MB - Apple X2681 MLB-S 820-02918 051-08242 r4.0.0
PDF schematic for Apple logic board project X2681, MLB-S, PCB number 820-02918, schematic 051-08242, document revision 4.0.0.
Schematic · 820-02918 · 4.64 MB · 15 Feb 2025Schematic pdf4.64 MB - J92 EVT MLB BDV
Boardview for the Apple J92 main logic board from the EVT build stage, compressed into a 113 KB RAR.
Boardview · 113 KB · 13 Oct 2021Boardview rar—113 KB - APPLE J45-DVT-MLB (820-3662 051-0456)
RAR archive for an Apple J45 main logic board at the DVT stage, board 820-3662 with schematic number 051-0456.
Archive · 820-3662 · 1.68 MB · 5 Jul 2019Archive rar1.68 MB - APPLE IMAC M51 SANTANA DVT MLB - 051-7039 - REV 21
Apple iMac M51 Santana logic board schematic package at the DVT stage, drawing 051-7039 revision 21, a later revision than the EVT release of the same document.
Archive · 2.17 MB · 5 Jul 2019Archive rar—2.17 MB