3. TROUBLE SHOOTING
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3.9.4 SUB MIC troubleshooting
Sub Mic. path as below :
MSM8226 -> WCD9302 MIC1_INP/ MIC1_INM -> Mic
Refer to 3.9.5 Ear-MIC troubleshooting
Replace component MIC6921
Replace component U6100
Check Mic Power in Main Board
TP1(MIC_BIAS_1)
Check Mic signal in Main Board
TP2(MIC_IN3_P)
Headphone icon display on Upper
right LCD ?
No
No
No
Yes Yes
Yes
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