texet X-Navi, Service Manual

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1.4
、
No vibration
Setting right and check Motor
Check VIBR_PMU_OUT signal from U301
Change or re-welding U301
End
1.5
、
The abnormality of the side-key operation
Abnormality of side-key
Check side-key
Check U101 Change or re-welding it
End
1.6
、
The abnormality of speech
Abnormality of speech
Receiver no sound MIC not working Earphone no working
Check receiver and the Check MIC and the Check Earphone and the
components around it components around it components around it
Check HP_MIC signal Check U101,
Try to re-welding or change it (low level) from U101
End