La-f952p Schematic |verified| -

Verify 19V is reaching the board at the connector pads.

Recent versions of the LA-F952P contain a flashable PD controller (e.g., CYPD4126 or similar). If the schematic shows pins SWD_CLK and SWD_DAT connected to a test point or unpopulated header, you can flash new firmware. Dell frequently releases PD firmware updates for battery drain issues. The schematic reveals the programming interface layout—invaluable for bricked chips. la-f952p schematic