Lenovo IdeaPad 720S-13IKB Schematic – LCFC NM-B491 Schematic 12/25/201903/05/2019 by notebook Schematic for Lenovo IdeaPad 720S-13IKB Laptop/Notebook, LCFC NM-B491 Mainboard Tag: ES322 ES323 NM-B491 Rev: 1.0 Format: PDF Total Pages: 61 File Size: 4.44MB Content Type: VIP (Gold Members Only)