Admin desktops & Laptops Support Joined Dec 2, 2017 Messages 31,041 Feb 9, 2018 Thread Author #1 Apple Thunderbolt 27" Display 27" A1407 logic board 820-2997-A Schematics 820-2997 Attachments J59 820-2997 APPLE THUNDERBOLT 27'' Display_LS.pdf J59 820-2997 APPLE THUNDERBOLT 27'' Display_LS.pdf 893.7 KB · Views: 10