La-b181p Rev 1.0 Schematic

"Always-on" rails required for the laptop to start. +1.35V: Power for the DDR3L memory modules. +VCC_CORE: The primary power supply for the CPU.

Compal often releases minor revisions. The power delivery and EC pinout are 99% identical. Differences are usually: la-b181p rev 1.0 schematic

Spills are the enemy of laptops. When liquid dries, it leaves conductive residue that causes short circuits. The schematic helps identify which rail is shorted. For example, if the 3.3V rail is shorted to the ground, the technician uses the schematic to identify every component on that rail (usually dozens of capacitors) to isolate the short. "Always-on" rails required for the laptop to start