Lenovo P70-A Service-Handbuch - Seite 21

Blättern Sie online oder laden Sie pdf Service-Handbuch für Mobiltelefon Lenovo P70-A herunter. Lenovo P70-A 41 Seiten.

Repair Manual of Lenovo P70-A Mobile Phone

4.8

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-sensor IC U1502

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, U401 is

abnormal..

Abnormal display of LCD

during the call.

Check U401

Replace the application

of gum of touch screen

and re-paste

p-sensor FPC

Problem