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Poco X3 Pro Motherboard Schematic | PDF | Chess | Chess Theory. 79%(14)79% found this document useful (14 votes) 51K views4 pages. S-Finder Mobile Schematic App - Apps on Google Play poco x3 schematic diagram download
If a Poco X3 refuses to charge, fast-charge, or connect to a computer, the problem often lies within the SMB1395 charging IC, the OVP (Over-Voltage Protection) chip, or damaged filters on the USB data lines. The schematic allows you to track the VBUS 5V line directly to the ICs. 3. Display and Backlight Failures Poco X3 Pro Motherboard Schematic | PDF |
If a Poco X3 refuses to turn on, draws zero current from a charger, or gets stuck in a boot loop, the issue often lies in the power management circuit. Technicians use the schematic to track voltage from the USB-C port, through the OVP (Over-Voltage Protection) IC, and into the primary PMIC. 2. Display and Backlight Failures The schematic allows you to track the VBUS
The device shows a charging icon but the battery percentage drops, or it fails to recognize the USB-C cable entirely.
: Open the layout diagram and locate the USB input test point ( VBUS_5V ). Trace the path to the OVP (Over-Voltage Protection) IC and then to the SMB1395 charging IC. Check for shorted capacitors around the charging chip. 3. Display and Backlight Failures