Boards 820-01055 1
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- Chip direction and empty point real point marking diagramSchematic · 492 KB · 10 May 2025Schematic pdf—492 KB
- 820-01055-07 Directional pattern
Directional pattern PDF for the Apple 820-01055 logic board, revision 07. The name suggests a drawing showing component orientation, such as pin-one marks and polarity…
Schematic · 820-01055 · 3.45 MB · 1 Jun 2023Schematic pdf3.45 MB - 74HC245
Component document for the 74HC245, an octal bus transceiver with three-state outputs, provided as a 267 KB PDF in the schematic category.
Schematic · 267 KB · 8 Aug 2026Schematic pdf—267 KB