A: Some OEM schematics are intentionally incomplete. Look for a "Bill of Materials" (BOM) that matches the reference designators.
Populated by low-voltage capacitors, the Schottky diode, and the 6 USB ports. Wlx-896b Schematic
Fireproof, high-temperature resistant ABS+PC plastic 2. Block Diagram: The Four Stages of the WLX-896B A: Some OEM schematics are intentionally incomplete