Test Instruction Repair Instruction Mechanical/
1253-0569 Rev 1
©
Sony Ericsson Mobile Communications AB – Company Internal
7(25)
Tests
2.2 Service
Tests
2.2.1 Keyboard & Switch
Note: The Home Key and On/Off key is not part of the
keyboard test, which are in Manual tests.
No walkman key in LT18i/LT18a.
To return to the Service Test Menu, wait for 8 seconds.
Press all keys on the:
-Back key
-Menu key
-Auto focus/Camera key
-Volume up key
-Volume down key
2.2.2 Touch Screen
Move your finger across the Display, a line will be drawn as
you touch the Display.
Press Back key to return to Service Test Menu.
XPERIA
Sony Ericsson
XPERIA
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Touch Screen
Touch Screen
Sony Ericsson
2.2.3 Display
Minor variations in display brightness and color may
occur between phones.
There may be tiny bright dots on the display, so called
defective pixels and occur when individual dots have
malfunctioned and cannot be adjusted.
Two defective pixels are considered to be acceptable.
Touch display using finger, the display will show test
patterns of White, Black, Red, Green, Blue colors on full
screen.
Make sure that there are no missing segments and that the
colors and contrast are OK.
Press Back key to return to Service Test Menu.
XPERIA
Sony Ericsson
XPERIA
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