Ear Microphone - Samsung GT-S8500 Service Manual

8-3-5. Ear Microphone

Check Ear microphone function
Check the connection status
Check voltage level at
Check component soldering
status at R229,TA200
,C246,C249,L206,L207
Check the Ear-Jack Module
SAMSUNG Proprietary-Contents may change without notice
No
of HDC200
Yes
R228=2.8V
Yes
Yes
Yes
END
MICBIAS_LDO_2.8V
R228
R229
TA200
EAR_MIC_3.5
C247
C249
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Reconnect the HDC200
No
Resolder or change U203
No
Resolder or change the components
No
L206
EAR_MIC_P
C246
EAR_MIC_N
L207
8-11
Level 3 Repair