: Check the LCD light paths and the 20th pin of the sub-board BTB connector.
: This is a widely used professional tool among technicians that includes verified schematic diagrams and "hardware solutions" (visual path-tracking) specifically for the Vivo Y93 Qualcomm model . It provides detailed layouts for network ICs like the WTR2965 and Power Amplifiers (PA 2G/3G). vivo y93 schematic diagram download verified
Schematics are most useful for "jumper" solutions when a trace on the board is broken: Mobile1Tech.com – Telegram : Check the LCD light paths and the
and Power Amplifiers (PA) for 2G/3G, help in troubleshooting signal loss. Diagrams for the display light help fix "no light" or "black screen" issues. vivo y93 schematic diagram download verified