820-2494-A Schematic
This page has the schematic for 820-2494-A, a laptop motherboard from Apple. Printed board number: 820-2494. 3 more files in the library share this board number — they're listed below.
Download via Telegram- Brand
- Apple
- Device
- Laptops
- Board number
- 820-2494
- Contents
- Schematic
- File size
- 1.8 MB
- Posted
- Available via
- Telegram @schematicslaptop
- Original file name
820-2494-A PDF .rar
Uploader's note
820-2494-A PDFSame board number 3
All files for 820-2494- A1311 820-2494-AApple820-2494Boardview
- LB# 820 2494 '' '' File & Schematic DiagramApple820-2494BoardviewSchematic
- Apple A1311 820-2494-а BIOSApple820-2494BIOS
Other Apple laptops
All Apple filesSchematicA1347 820-5509 J64Apple · 820-5509BIOSApple A1311 K60 21.5 Mid 2011 820-3126-A WORKING BIOS 100%Apple · 820-3126BoardviewApple A1311 K60 820-3126-AApple · 820-3126BIOSApple Mac Mini A1347 820-3017-A Working BIOS 100%Apple · 820-3017BIOSApple 820-00138-A Working BIOS 100%Apple · 820-00138Schematic820-00939-A J174Apple · 820-00939SchematicA J174 820-00939Apple · 820-00939SchematicA1278 820-2936-B K90IApple · 820-2936
Questions about this file
Which board number is this 820-2494-A file for?
It's for board 820-2494. 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 #11131 in the public Telegram channel @schematicslaptop, where the file can be downloaded with a free Telegram account.