Flow Chart of Troubleshooting
10-13
10-1-7. Ear mic Part - MIC CABLE
Is there any signals at the
pin R516, R519?
There is no sound from the Ear mic
Is there any signals at the
pin #3(R507), #4(R508)?
CHECK the U501
check the MSM6280
END
No
Yes
Yes
Yes
No
Check the IFC601 or change the Earmic