Acer Predator Helios 300 PH315-51 Schematic – Acer Predator Helios 300 PH317-52 Schematic – Compal LA-F991P Schematic 09/08/2019 by notebook Schematic for Acer Predator Helios 300 PH315-51, Acer Predator Helios 300 PH317-52 Notebook, Compal LA-F991P Mainboard. Tag: DH53F LA-F991P Rev: 1C Format: PDF Total Pages: 73 File size: 8.66MB Content Type: VIP II (Platinum Members Only)