SETTING : After initialize Agilent 8960, Test EGSM, DCS, PCS mode
Set the property of audio as PRBS or continuous wave. Set the receiving volume of mobile as Max.
Replace the Main board.
ABB is out of order.
START
Check the signal level of
RCV_P & RCV_N at R110, R112.
Are these levels about 1.2V?
Yes
No
Yes
Check the contact state of dual
mode speaker.
Replace the dual mode speaker
The dual mode speaker will work
properly.
No
Check the soldering
R110 & R112
No
Yes
Re-soldering
R110, R112
Check again
Yes
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