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Appendix.
MIC Flow Chart & Solution
Setting : After Initialize Agilent 8960, Test in EGSM or DCS Mode
START
PIF Power On, Test after Call 112
Block 12
MIC_BIAS O.K.?
Yes
Block 13
Audio Signal Level O.K.?
U900, U901 Check!!
Yes
Check MIC Soldering
Yes
MIC Working !
GSM Handsets Lab.
No
F610 Check!!
No
MIC1 Check!!
Goto Block 12 Test
Goto Block 13 Test
78
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