J17 MLB 051-9884 820-3478-A Schematic
This page has the schematic for J17 MLB 051-9884 820-3478-A, a laptop motherboard from Apple. Printed board number: 820-3478. 1 more file in the library share this board number — they're listed below.
Download via TelegramSame board number 1
All files for 820-3478- J17PVT 820-3478-AApple820-3478Boardview
Other Apple laptops
All Apple filesSchematicApple A1278 - J30 820-3115-B 051-9058Apple · 820-3115SchematicApple Macbook Pro 13 2020 A2251, 820-01949-AApple · 820-01949BoardviewSchematicMacbook Pro M1 A2338 820-02020Apple · 820-02020BoardviewSchematic820-00923-A 820-00923Apple · 820-00923BoardviewMacBook Pro A2141 820-01700-AApple · 820-01700Schematic820-4924 A A1502Apple · 820-4924Boardview820-4924-AApple · 820-4924Schematic820-00928 MLB BAFFIN2Apple · 820-00928
Questions about this file
Which board number is this J17 MLB 051-9884 820-3478-A file for?
It's for board 820-3478. 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 #6919 in the public Telegram channel @schematicslaptop, where the file can be downloaded with a free Telegram account.