La-c701p Rev 1.0 Boardview Exclusive Direct

This board is commonly found in the Lenovo Ideapad 300-15ISK / 300-17ISK series (Sky Lake / Kaby Lake). I have a unit with a no-power condition (20V present, no 3V/5V rails). I suspect a corroded EC or a missing SMC_ON/OFF signal, but without the .BRD file, tracing the power sequence is taking forever.

: Verifying that the Broadwell processor receives all necessary voltage rails in the correct order . La-c701p Rev 1.0 Boardview

SATA 3.0 (HDD/ODD), USB 3.0/2.0 ports, HDMI, and eDP for panel interfacing. Technician Insights & Common Fixes This board is commonly found in the Lenovo