Huawei MediaPad 7 Lite S7-931w - Display Failure

MediaPad 7 Lite Maintenance Manual
INTERNAL
2012-10-08
Huawei Confidential
Page 45 of 82
The backlight can be illuminated but no graphics are displayed. For the solution, see the
following flowchart.
Display failure (no
graphics are
displayed)
Check whether
the U1301 is short circuited.
Yes
Replace the
U1301.
No
Replace the LCD
monomer and LCD FPC.
9.6.1 Display Failure
The following figure shows the voltage principles of the backlight.
The backlight cannot be illuminated. For the solution, see the following flowchart.