Lenovo IdeaPad 320-15IKB Schematic & Boardview – LCFC NM-B453 Schematic & Boardview 08/01/202201/24/2020 by notebook Schematic & Boardview for Lenovo IdeaPad 320-15IKB Laptop/Notebook. LCFC NM-B453 Mainboard Tag: EG523 EG524 NM-B453 Rev: 0.1 Format: PDF+TVW Total Pages: 60 File Size: 12.9MB Content Type: VIP II (Corporative Membership Only)