Order replacement (common chip). After replacing, ACDRV rises to 25V, +PWR_SRC = 19.5V. Still no 3.3V_ALW.
When dealing with a "dead" HP laptop using the LA-C781P board, the schematic is your roadmap to identifying short circuits or missing voltage rails. 1. The VIN Circuit: First Line of Defense A frequent failure point for this board is the VIN (Voltage Input) circuit La-c781p Schematic
(also known as ABL51) is a common motherboard revision for the HP 15-af line, typically powered by AMD Beema/Mullins processors Order replacement (common chip)