If the schematic shows a short to ground on a main rail like +1.0V_MCP , use the schematic to find a safe injection point to identify the heating component. Safety Warning
Understanding the LA-E801P Rev 2.0 Schematic: A Guide for Board-Level Repair la-e801p rev 2.0 schematic
Since this board supports Kaby Lake processors, the power requirements are highly regulated. The schematic shows the multi-phase buck converters responsible for feeding the CPU. If the schematic shows a short to ground
Before the power button is even pressed, the board must generate low-voltage standby power. +3VALW and +5VALW . Before the power button is even pressed, the
If these rails are missing, the Super I/O chip (EC) won't have power, and the laptop will appear completely "dead." 3. CPU Core Power (VCC_CORE)
Working with the LA-E801P Rev 2.0 involves measuring live voltages. Always use a current-limited DC power supply and ensure you are grounded to prevent ESD (Electrostatic Discharge) from killing the sensitive Kaby Lake CPU.