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No.
Item
Touch screen
5
test
6
LCD test
Vibrator- Keypad
7
LED light test
8
Keypad test
9
camera test
10
Speaker test
Mobile phone
11
loopback test
12
FM test
Headset wire
13
control test
14
Bluetooth test
15
WiFi test
Press Send key, the LCD will display test result, and then press End key to exit the test. In the test
processing, press Menu key to skip the current step test.
2011-05-18
U8350 Maintenance Manual Basic Version V1.0
Test method and information
Touch black dot around screen, it will display red dot, means PASS. Press
Send key to enter the next test.
The LCD will display white screen. Press Send key to enter the next test.
The LCD will display black screen. Press Send key to enter the next test.
The LCD will display Black-white lines. Press Send key to enter the next
test.
The LCD will display colorful lines. Press Send key to enter the next test.
The LCD backlight test. The luminance of LCD will change all the time.
Press Send key to enter the next test.
Keypad lights on with motor vibrated. Press Send key to enter the next test.
Press all keys one by one. A purple round displayed on the key after press
down successfully. Press Send key to enter the next test.
The screen will display the real scene that captured by camera. Press Send
key to enter the next test.
T he speaker plays melody, and the sound will output from earphone if you
insert headset. Press Send key to enter the next test
Speak to MIC, and you will hear sound loop from receiver. And then insert
your earphone to test. Press Send key to enter the next test.
Insert earphone, if the signal of some channel is good (press Next Channel
to change channel), you will hear the FM radio from earphone. If there is no
channel, no value is displayed. Press Send key to enter the next test.
Insert the earphone, icon of in colors turns green. And press the line
controlling headset button. Then pull out the earphone, icon of out colors
turns green. Press Send key to enter the next test.
The mobile phone will search the Bluetooth device automatically, and then
display the search result (A ready Bluetooth device is needed for this step
test). Press Send key to enter the next test.
The mobile phone will search the WIFI AP automatically, and then display
the search result (A ready WIFI AP device is needed for this step test).
Press Send key to enter the next test.
Huawei confidential. No spreading without permission.
Internal
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