LENOVO T490 T590 DRIFT NM-B901 V1.0 Schematic
This page has the schematic for LENOVO T490 T590 DRIFT NM-B901 V1.0, a laptop motherboard from Lenovo. The board itself was engineered by Compal and carries board number NM-B901. 2 more files in the library share this board number — they're listed below.
Download via TelegramSame board number 2
All files for NM-B901- ThinkPad P14s NM-B901LenovoNM-B901Boardview
- Lenovo ThinkPad T490, T590 - DRIFT NM-B901LenovoNM-B901Schematic
Other Lenovo laptops
All Lenovo filesSchematicLenovo F50 IGL50 51 LA-3371P REV 2.0Lenovo · LA-3371PFilesLenovo Ideapad 320 14IKB LCFC DG425 DG525 NM B321 LCFC NM B321 REVLenovo · NM-B321SchematicLCFC EG521 EG522 NM-B451 Rev 0.2 UMALenovo · NM-B451SchematicLenovo E560 BE560 NM-A561 Rev 1.0Lenovo · NM-A561BoardviewLenovo L340-15IRH - NM-C361 REV0.3Lenovo · NM-C361BoardviewSchematicLenovo Yoga 700-14ISK BYG43 NM-A601 Rev 1.0Lenovo · NM-A601SchematicLenovo IdeaPad Z580 Quanta LZ3 LZ3A DA0LZ3MB6G0 REV GLenovo · DA0LZ3MB6G0SchematicLENOVO E430 LA-8131P HM77 Rev 1.0Lenovo · LA-8131P
Questions about this file
Which board number is this LENOVO T490 T590 DRIFT NM-B901 V1.0 file for?
It's for board NM-B901, 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 #7852 in the public Telegram channel @schematicslaptop, where the file can be downloaded with a free Telegram account.