Schematics will show the VREG and LCD_BIAS lines necessary for fixing black screen issues. Why You Need Both Schematic and BoardView
Understanding the motherboard layout helps you isolate faults more quickly. The Poco X3 series generally utilizes the following key ICs (Integrated Circuits): poco x3 schematic diagram download
A professional-grade software that offers interactive Xiaomi POCO X3 Schematics . This tool is highly recommended for technicians who need to trace specific lines across the motherboard in real-time. Schematics will show the VREG and LCD_BIAS lines
Often uses the PM7150 and PM7150L for managing battery charging and system power. poco x3 schematic diagram download