Dell XPS 15 L521x Schematic – Compal QBL00 LA-7851P / LA-7852P Schematic 09/15/2015 by notebook Schematic for Dell XPS 15 L521X, laptop/notebook, Compal QBL00 LA-7851P, LA-7852P Mainboard. Rev: 0.1 (X00) Total Pages: 66 Format: PDF File size: 3.68MB Price: $15.99 $15.99 $9.90 – Add to Cart Checkout Added to cart