admin desktops & Laptops Support Joined Dec 2, 2017 Messages 32,824 Feb 11, 2018 Thread Author #1 iMac 27″ A1312 K23F 051-8233-G 820-2733-A Schematics, BoardView. Attachments Schematic_820-2733.pdf Schematic_820-2733.pdf 2 MB · Views: 27 Boardview_K23F-PVT2.zip Boardview_K23F-PVT2.zip 110.8 KB · Views: 24