Dell Latitude 3550 Schematic – Compal ZAL50 / ZAL60 LA-B072P Schematic 10/28/2017 by notebook Schematic for Dell Latitude 3550 laptop/notebook, Compal ZAL50 / ZAL60 LA-B072P Mainboard. OEM: Compal Electronics, inc. Rev: 0.1(A) Total Pages: 54 Format: PDF File Size: 1.18MB $10.00 $9.90 – Add to Cart Checkout Added to cart