Schematic diagram for the HP Pavilion 15-ab108AX, a board designed by Quanta under the project code X22. The AX suffix marks an AMD-based configuration of this Pavilion line. Use the PDF to follow power rails, check the standby and main power sequence, identify component values and locate the source of a short circuit. Quanta boards carry a DA0 number on the PCB, so read it and make sure it corresponds to the X22 design before relying on the drawings for measurements.
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