PDF reference, around 129 KB, covering two power ICs identified by marking codes: Qq for the SY8386BRHC and 3a for the SY8388C3RHC. Both are Silergy synchronous step-down converters often found generating supply rails on laptop and other boards. The document helps match a small top marking to the full part number, read pinouts and check the typical application circuit when a rail is missing or shorted. Verify the marking on the chip and the package before replacing it, since similar codes can belong to different parts.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @THE_BIOS_WORLD. Enginerys does not host this file.
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The standard format for schematics, block diagrams, power-sequence charts and service manuals.