LCFC EG521 EG522 NM-B451 Rev 0.2 UMA Schematic
This page has the schematic for LCFC EG521 EG522 NM-B451 Rev 0.2 UMA, a laptop motherboard from Lenovo. The board itself was engineered by Compal and carries board number NM-B451. Version: integrated graphics (UMA). 6 more files in the library share this board number, including Compal listings — they're listed below.
Download via TelegramSame board number 6
All files for NM-B451- Compal Lcfc NM-B451 Rev. 0.2LenovoNM-B451BoardviewDirect
- EG521EG522EZ511EG721 NM-B451 Rev 02 UMACompalNM-B451Boardview
- Lenovo IdeaPad 330-15IKB Lcfc NM-B451 Rev 0.2LenovoNM-B451Boardview
- Lenovo IdeaPad 320-15IKB LCFC NM-B451 UMALenovoNM-B451Schematic
- Lenovo IdeaPad 320-15IKB LCFC NM-B451 UMALenovoNM-B451Boardview
- Lenovo EG521 EG522 EZ511 EG721 NM-B451 R1.0LenovoNM-B451Files
More Lenovo EG521 files 1
Lenovo EG521 overviewOther Lenovo laptops
All Lenovo filesBoardviewLenovo Yoga 920-13IKB-EYG70 NM-B291Lenovo · NM-B291SchematicLenovo Yoga 920 Lcfc NM-B291 DYG60 Rev 1.0Lenovo · NM-B291SchematicLenovo G70 70 Z70 80 LCFC BALG1 AILG1 AILZ1 NM A331 Rev 0.4 PDFLenovo · NM-A331SchematicLenovo F50 IGL50 51 LA-3371P REV 2.0Lenovo · LA-3371PFilesLenovo Ideapad 320 14IKB LCFC DG425 DG525 NM B321 LCFC NM B321 REVLenovo · NM-B321SchematicLenovo E560 BE560 NM-A561 Rev 1.0Lenovo · NM-A561BoardviewLenovo L340-15IRH - NM-C361 REV0.3Lenovo · NM-C361SchematicLENOVO T490 T590 DRIFT NM-B901 V1.0Lenovo · NM-B901
Questions about this file
Which board number is this LCFC EG521 EG522 NM-B451 Rev 0.2 UMA file for?
It's for board NM-B451, 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 #7885 in the public Telegram channel @schematicslaptop, where the file can be downloaded with a free Telegram account.