Are you troubleshooting a or looking for a component-level pinout on this board? HP Spectre 13-v000nx Notebook Motherboard LA-D401P
The regulator toggles a MOSFET (internal to U1) at 500 kHz–1 MHz, storing energy in L1. The output voltage is regulated via the R1‑R2 divider. R3 senses the boost‑stage current, feeding back to the internal over‑current protection. la-d401p schematic
: Always disconnect the battery before testing power rails to prevent accidental short circuits during probing. DELL Latitude 5490 LA-F401P Schematic - ChinaFix Are you troubleshooting a or looking for a
Includes standard rails such as +3VLP, +3VALW, +5VALW, and +1.0V_Core. Common Troubleshooting Points Based on technician reports for this specific board: la-d401p schematic