Someone had deliberately left that capacitor out of the BOM. No factory ever placed it. But the pattern was there, dormant, waiting for a conductive epoxy bridge, a factory repair, a single malicious technician to install a 0.1pF cap and complete the circuit.
: Offers the VALA0 LA-9413P Schematic for download/purchase. la-9413p rev 1.0 schematic
The email arrived at 2:17 AM on a Tuesday. No subject. No name in the sender field. Just a single line of text: Someone had deliberately left that capacitor out of the BOM
: Replacement motherboards are frequently listed on AliExpress under part numbers like 06G2HC or 0VPH0Y . waiting for a conductive epoxy bridge