Earphone; Microphone; Vibrator - Sony Xperia tipo ST21i Test Instructions

Tests: Service Tests

2.2.7 Earphone

Make sure that the sound from the Earphone port on the top
of the phone is emitted loud and clear and that the test
include maximum volume.
Press the Volume up/Volume down key to adjust the
earphone volume.
Press the Back key to return to the Service Test Menu.

2.2.8 Microphone

The previous 'Speaker' test must have been
successfully carried out before doing this test!
Step 1: Touch screen to record sound for test at most ten
seconds and speak into the microphone during the
'Microphone Recording' phase
Step 2: Touch screen to stop recording
Step 3: Touch screen to play this recorded sound, and the
sound is played back through the Speaker
Check the quality by listening to the recording from the
Speaker during the 'Playing recorded sound' phase at
maximum volume.
Press the Back key to return to the Service Test Menu.

2.2.9 Vibrator

Press the Menu key or Side keys to start the vibrator test.
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)
Earphone Test
Earphone Testing...
XPERIA
Microphone
Please touch screen to RECORD sound for
test at most 10 sec.
XPERIA
Vibrator
Vibrating 3 times after press Menu
key or side keys.
XPERIA
9(20)