Huawei E5331 Maintenance Manual

E5331 Maintenance Manual Basic Version V1.0
Internal
2012-4-21
Huawei confidential. No spreading without permission.
Page 40 of 57
9.6 Display Failure
Reference Figure 9-6
Display Failure
Replace the LED, check
whether it is normal?
End
Replace the U3101
Y
N
Measure whether
power supply voltage of the LED
is normal?
Check the
battery
/Replace the
U3801
N
Y
Measure whether
the
R3908/R3909/R3914/R3910/R3911/R391
5/Q3902/Q3903/Q3904/Q3905
are normal?
Replace the
faulty
components
N
Y

Huawei E5331 Specifications

General

Wi-Fi	Yes
WLAN data transfer rates supported	21 Mbit/s
Data network	3G, EDGE, GPRS, HSDPA, HSPA+, HSUPA
GPRS multislot class	-
Device type	Cellular wireless network equipment
Product color	White
Compatible operating systems	Windows XP / Vista / Windows7 / Mac OS 10.5 / Mac OS 10.6 / Mac OS 10.7
Market positioning	Portable

Weight and Dimensions

Depth	60 mm
Width	92.8 mm
Height	12.8 mm
Weight	82 g