Boardview archive in ZIP format for the Apple X2819 MLB logic board, number 820-03286, schematic reference 051-09344, about 247 KB. Apple labels logic boards with 820- numbers and their schematics with 051- numbers. The boardview shows component placement and net connections, helping you locate test points, trace a shorted rail or find a specific capacitor. Open the extracted file in OpenBoardView or FlexBV, and confirm the 820 number on your board before measuring.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @cynetitsolution. Enginerys does not host this file.
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