Repair Manual of Lenovo A516 Mobile Phone103.1 LCD display3.1.1 No display on screen after power-onWhite screen or blank screen without display; backlightwith lightingCheck whether the EMI device E1601,E1602,E1603 of LCD circuit on main board is weldedincompletely; re-weld EMI deviceOKCheck whether there is cold solder joint on otherdevice around LCD and on LCD connector.Check whether the connection of LCD FPC isgood and re-assembled FPC phone is normalNNYOKYCheck whether the display is normal afterreplacing LCD,NOKY