Samsung GT-S8500 - Ear Microphone

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Level
3
Repair
8-11
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8-3-5.
Ear Microphone
Check Ear microphone function
Check the connection status
of HDC200
No
Reconnect the HDC200
Yes
No
Yes
Resolder or change U203
Check voltage level at
R228=2.8V
END
No
Check component soldering
status at R229,TA200
,
C246,C249,L206,L207
Check the Ear-Jack Module
Yes
Yes
Resolder or change the c omponents
No
TA200
L207
R229
MICBIAS_LDO_2.8V
L206
R228
C247 C249
C246
EAR_MIC_3.5
EAR_MIC_
N
EAR_MIC_
P