“The designer of Rev 1.0. And I’m calling because I lost control of the backdoor two years ago. The people who have it now are not the people I made it for. You need to find the original schematic. Not the PDF. The CAD source file. The one I signed with my name.”
: Offers the VALA0 LA-9413P Schematic for download/purchase. la-9413p rev 1.0 schematic
Check the pin labeled KBSWIC# or similar power button inputs. When you press the power button, this line should pull down from 3.3V to 0V. If it doesn't drop, your physical power button or its flat ribbon cable is broken. 💡 Pro-Tips for Successful Troubleshooting “The designer of Rev 1