Dell Precision 3520 Schematic – Compal CDP81 LA-E153P Schematic 12/25/201912/15/2018 by notebook Schematic for Dell Precision 3520 laptop/notebook. Compal CDP81 LA-E153P mainboard Rev: 0.2(X01) Format: PDF Total Pages: 74 File Size: 2.26MB Content Type: VIP (Gold Members Only)