For basic operations and external component locations, the official Poco X3 NFC User Guide is also a helpful, lighter resource. Poco X3 Pro Motherboard Schematic | PDF | Chess - Scribd
Schematics are generally available through third-party repair communities and specialized software tools. PDF Repositories poco x3 schematic diagram download
You likely downloaded a third-generation copy. Search for the original "Xiaomi Poco X3 Service Manual" which is usually a vector PDF (zoomable without blur). For basic operations and external component locations, the