Lah103p Schematic New //free\\ -

Ensure your board is actually the LA-H103P. Check the silk-screened text near the RAM slots.

Usually utilizes the ISL or BQ series for battery management.

On versions with USB-C charging, the controller IC can fail due to surges. How to Use the Schematic with a Boardview lah103p schematic new

Look for the "Always On" controller. If this IC is hot or missing its LDO outputs, the laptop will appear completely dead.

Check the two DC-in MOSFETs near the charging port. They often short, preventing the 19V rail from reaching the rest of the board. Ensure your board is actually the LA-H103P

The LA-H103P is a motherboard model commonly found in Dell Inspiron 15 (3501, 3505) and 14 (3401, 3405) series laptops. If you are looking for the "new" or latest version of the schematic for a repair, you are likely dealing with a "no power" or "no display" issue.

Features complex multi-phase VRMs for the CPU core and graphics. On versions with USB-C charging, the controller IC

Locate specific pads to measure signals like RSMRST# or PWRBTN# . Key Areas to Check on LA-H103P