Level 3 Repair
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8-20
8-3-8-2. Microphone Part - Sub(2nd) MIC
SUB MIC
MIC8000
CLK
4
DATA
1
DATA
GND
3
SEL
2
SEL
VDD
5
VDD
C8050
SUB_MICBIAS_1P8
Z
D
8
0
0
7
Z
D
8
0
0
6
SUB_MIC_DATA
SUB_MIC_CLK
Check PCB where Sub MIC
(MIC8000) is placed
for any damage
Replace the PCB module
END
No
Yes
Yes
Check Sub(2nd) microphone function
in voice call loudSPK NS Off mode
or in camcording mode
Check the voltage at
C8050 = 1.8V
resolder or replace U8004
No
Yes