Lcd/Illumination; Lcd; Illumination - Sony Ericsson T630 Troubleshooting Manual

8 LCD/Illumination

•
Make a general visual inspection for corrosion or oxidation caused by 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 works properly and if there are missing lines or discolouring. Replace it
if necessary.
•
Check if the LCD flex-film fits correctly into the FPC connector (Fig. 8.1) and check if
the FPC connector is closed.
Note: When replacing the LCD the contrast must be checked. If necessary, adjust the contrast in
the service settings menu. Remember to store the setting with "SAVE".
If the failure still occurs, handle the unit according to the local company or the GSP directives.

8.2 Illumination

•
Turn on the phone. Go to service test menu; choose "LED/Illumination". The illumination
should start flashing (~1Hz).
•
Check if the LCD is lighting up properly. Replace the LCD if necessary.
•
Check if the entire 8 key LED's (Fig. 8.2) light up at the same strength. Replace the dome
foil assy if necessary.
•
Check if the keyboard flex-film fits correctly into the FPC connector (Fig. 8.3) and check
if the FPC connector is closed.
Note: When replacing the LCD the contrast must be checked. If necessary, adjust the contrast in
the service settings menu. Remember to store the setting with "SAVE".
If the failure still occurs, handle the unit according to the local company or the GSP directives.
Fig. 8.1
4_00021-1/FEA 209 544/84 A
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Sony Ericsson Mobile Communications AB
Trouble Shooting Guide, SP/Mechanical
Fig. 8.2 Fig. 8.3
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