Lenovo VIBE X2 Service Manual - Page 17

Browse online or download pdf Service Manual for Cell Phone Lenovo VIBE X2. Lenovo VIBE X2 30 pages.
Also for Lenovo VIBE X2: Quick Start Manual (26 pages)

Print Page

1. Main Board Top View
2. Charging Anomaly

3.6.2 LCD has no display

LCD has no

backlight

Check whether the connection

status

between

module FPC connector and the

motherboard

normal, and reconnect the

connector whether the phone is

working normal.

Replace the LCD module,

and make sure whether the

LCD has the backlight.

Check whether the LCD

backlight

output voltage is exceeding

20V.

Checks the backlight

current. And found out the

problem;And change the smt

part;

the

LCD

connector

driver(U1604)

The backlight circuit

is normal, and the

LCD module is bad.