Trouble Shooting Guide, Mechanical
4/00021-1/FEA 209 544/89 A
Company Internal
Sony Ericsson Mobile Communications AB
18(26)
8 LCD/Illumination
•
Make a general visual inspection for misuse, corrosion or oxidation from liquid damage
according to point 1.2
8.1 LCD
•
Turn on the phone. Go to service test menu; choose “Display”. You should see a colour
pattern.
•
Check if the LCD unit (Fig. 8.1) works properly and if there are missing lines or
discolours. Replace it if necessary.
•
Check if the LCD flex-film is fitting correct into the FPC connector (Fig. 8.2)
and check if
the FPC connector is closed.
•
Check if the harness (Fig. 8.3) is mechanical damaged, dirty or oxidized. Replace it if
necessary.
If the fault still occurs, try to update the phone to the latest available software version. If this
doesn’t solve the problem, handle the unit according to the local directives.
Fig. 8.1
Fig. 8.2
Fig. 8.3
8.2 Illumination
•
Turn on the phone. Go to service test menu; choose “LED/Illumination”. The illumination
should start blinking ~1Hz.
•
Check if the LCD unit (Fig. 8.1) is lighting up properly. Replace it if necessary.
•
Check if the harness (Fig. 8.3) is mechanical damaged, dirty or oxidized. Replace it if
necessary.
8.2.1 Main
keyboard
