Earphone; Microphone; Secondary Microphone - Sony Xperia Ion LT28i Working 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!
The phone will start to record and after approximately
ten seconds the sound is played back through the Speaker.
Speak into the microphone during the 'Microphone
Recording' phase.
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 Secondary Microphone

The previous 'Speaker' test must have been
successfully carried out before doing this test!
The phone will start to record and after approximately
ten seconds the sound is played back through the Speaker.
Speak into the secondary microphone during the
'Microphone Recording' phase.
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.
1261-4720 Rev 2
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Sony Mobile Communications AB – Company Internal
Test Instructions (mech)
at&t
Earphone
Media Volume
Earphone
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Media Volume
Microphone test:
Microphone recording
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Media Volume
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2 Microphone test:
Microphone recording
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