Laptop motherboard
THINKPAD NN-D491 Schematic
This page lists the schematic for THINKPAD NN-D491, a laptop motherboard by Lenovo.
Download from TelegramOther Lenovo laptops
All Lenovo filesSchematicLCFC NM-E231 Y550 ADL-PLenovo · NM-E231BoardviewSchematicLCFC NM-C741Lenovo · NM-C741SchematicLCFC NM-C741 VER 1.0Lenovo · NM-C741BoardviewLENOVO NM-D491 REV1.0Lenovo · NM-D491BoardviewLENOVO NM-D491 REV0.4Lenovo · NM-D491BoardviewLENOVO Legion5 15IMH05 NM C911 REV 1.0Lenovo · NM-C911BoardviewLENOVO Legion 5 15imh05h NM C911 REV 0.2Lenovo · NM-C911BoardviewLenovo Legion 5 15IMH05H NM C921 Rev 0.4 BOARDVIELenovo · NM-C921
Questions about this file
What can I do with the schematic?
Use the power-sequence and power-rail pages to find where a no-power or no-image fault starts, then locate the parts with a boardview. No-power diagnosis plan.
Is the download free?
Yes. The button opens post #13590 in the public Telegram channel @schematicslaptop, where the file can be downloaded with a free Telegram account.