Microphone Part - Samsung SGH-E850 Service Manual

5. Microphone Part

Microphone does not work
Is the assembled
microphone O.K?
Check the reference voltage on mic path
Is microphone ok?
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Yes
No
status of
Yes
No
C418 뵃 2.0V
Yes
Yes
END
SGH-E850 Flow Chart of Troubleshooting
Reassemble the microphone
Solder the microphone again or Replace
R407,R408,R409,R410,R411,R412,
R415,C408,C415
No
Check OSC300
2-10