Lcd On When Close To The Ear During The Call ; Lcd Off When Away From The Ear; Radio Frequency (Rf) - Lenovo A516 Service Manual

Repair Manual of Lenovo A516 Mobile Phone
3.9 LCD on when close to the ear during the call; LCD off
when away from the ear.
Check whether P-Sensor related circuit is
normal? Or replace p-sensorFPC
Whether the touch screen is well
pasted with the shell
Check whether G-SENSOR and touch screen
is normal. If G-SENSOR and touch screen is
normal, I2C is normal, or else, U1101 is
abnormal..

4.Radio frequency (RF)

Abnormal display of LCD
during the call.
N
N
N
Check U1101
Y
Replace the application
Y
of gum of touch screen
and re-paste
25
p-sensorFPC
Problem