Sites like Laptop-Schematics.com often sell PDF circuit diagrams and boardview files for a fee. Common Use Cases
Includes diagrams of the 3.3V/5V always-on circuits and the CPU core voltage rails. la-g851p schematic
: Intel Celeron processors (Gemini Lake architecture) and specialized power management ICs for ChromeOS devices. Where to Find Schematics & Boardviews Sites like Laptop-Schematics