Lac781p Schematic Top

Located near the DC-in jack, this area features the bq24725A (often marked as BQ25A ) charging IC. It manages the initial 19V rail (B+) and controls the N-channel MOSFETs that gate power to the rest of the system.

The (also known as

The is not just a theory diagram—it dictates physical placement. lac781p schematic top

Integrated Radeon HD graphics or dedicated GPU variants like the HD 8600 2GB. Power Rail: Uses a 19V main power rail (VIN circuit). Located near the DC-in jack, this area features

The schematic tracks the signal from the power button to the EC, which then triggers the S3 and S0 power states. Where to Find Schematics and Parts Located near the DC-in jack