820-1889-A Schematic
This page has the schematic for 820-1889-A, a laptop motherboard from Apple. Printed board number: 820-1889. 2 more files in the library share this board number — they're listed below.
Download via TelegramSame board number 2
All files for 820-1889- M42B 820-1889-A 820-1889Apple820-1889Boardview
- LB# 820 1889 '' '' File & Schematic Diagram Project M42Apple820-1889BoardviewSchematic
Other Apple laptops
All Apple filesSchematic820-4924 A A1502Apple · 820-4924Boardview820-4924-AApple · 820-4924Schematic820-00928 MLB BAFFIN2Apple · 820-00928BoardviewMackbook Pro A1707 820-00928-AApple · 820-00928SchematicJ316 Mlb S 051-05641 8.0.0 ResolvedAppleSchematicJ316 EVTs Rev8 820-02100Apple · 820-02100Boardview820-01987Apple · 820-01987Boardview820-01949Apple · 820-01949
Questions about this file
Which board number is this 820-1889-A file for?
It's for board 820-1889. Compare it with the number printed on your PCB before relying on the file. Where to find it.
How do I use the schematic for diagnosis?
Start with the power-sequence and power-rail pages to find where a no-power or no-image fault begins, then locate the parts with a boardview. No-power troubleshooting plan.
Is the download free?
Yes. The button opens post #6833 in the public Telegram channel @schematicslaptop, where the file can be downloaded with a free Telegram account.