Microphone Part - Samsung SGH-P520 Service Manual

10-1-5. Microphone Part

Microphone does not work
Check the
assembled status of
microphone.
Check the reference
voltage on mic path
R411=2.9V
Is microphone ok?
NO
YES
NO
YES
NO
YES
END
(1)
(2)
10-13
Flow Chart of Troubleshooting
Reassemblage microphone
resolder or change
(R413,
TA403,C420,R410)
Check UCP300