Here is the information available for that specific board and how you might obtain the schematic:
Many websites claiming “free ASL50 LAC921P REV 10 schematic download” are traps: asl50 lac921p rev 10 schematic free
Firmware Downloads: If you need the matching BIOS file to go with your hardware repair, sites like WitComputers list the specific Rev 1.0 BIN files for the ASL50 LA-C921P. Here is the information available for that specific
Shorting: Often found in the 19V primary MOSFETs or secondary coils (e.g., PL9 or PL15). and various connectors. Diagnose Faults:
Quickly find the location of the CPU, Chipset, RAM, and various connectors. Diagnose Faults: