Service Tests; Keyboard & Switch; Touch Screen; Display - Sony Xperia tipo ST21i Test Instructions

Tests
2.2

Service Tests

2.2.1 Keyboard & Switch
Text Note: The Home Key and On/Off key is not part of
the keyboard test, but are in the Manual tests.
To return to the Service Test Menu, press the touch
screen.
Press the following keys:
-Back key
-Menu key
-Volume Up key
-Volume Down key

2.2.2 Touch Screen

Move a finger across the touch screen, a line will be drawn
as it touches.
Press the Back key to return to the Service Test Menu.

2.2.3 Display

Minor variations in the display's brightness and color
may occur between phones.
There may be tiny bright dots on the display, called
defective pixels and which occur when individual dots
have malfunctioned and cannot be adjusted.
Two defective pixels are considered to be acceptable.
Touch the display using finger, the display will show the test
patterns of White, Gray, Black, Blue, Green, Red,
White/Black/Red, Black/Red/Blue, Red/Blue/Green,
Blue/Green/White, then sequence of block colors continued
by Rainbow colors on full screen.
Make sure that there are no missing segments and that the
colors and contrast are OK.
Press the Back key to return to the Service Test Menu.
1266-1689 Rev 4
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Sony Mobile Communications AB – Company Internal
Test Instructions (mech)
XPERIA
7(20)