EG521 EG522 MB Kabylake-U42 NM B452 REV0.2 Schematic · board NM-B452
This page has the schematic for EG521 EG522 MB Kabylake-U42 NM B452 REV0.2. Printed board number: NM-B452. Version: Intel Kaby Lake (7th gen). 3 more files in the library share this board number, including AMD, Lenovo listings — they're listed below.
Download via TelegramSame board number 3
All files for NM-B452- EG523 MB Kabylake U42 AMD R17M M1 70 GPU with GDDR5 NM B452 REV0AMDNM-B452Files
- Lenovo Ideapad 320 15IKB EG521 EG522 EZ511 EG721 NM B452 DISLenovoNM-B452Files
- NM-B452 R02 DISCompalNM-B452Boardview
Other Compal laptops
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Questions about this file
Which board number is this EG521 EG522 MB Kabylake-U42 NM B452 REV0.2 file for?
It's for board NM-B452, made by Compal. 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 #10470 in the public Telegram channel @schematicslaptop, where the file can be downloaded with a free Telegram account.