Microphone Part - Samsung SGH-Z650i Service Manual

Flow Chart of Troubleshooting

9-1-4. Microphone Part

Micro-phone does not work
NO
Is the assembled status of
Reassemble the microphone
Microphone O.K?
YES
Check the DC bias voltage on
Mic path.
Connect the 34key
NO
The voltage of VR300 is
connnector(HDC201) or eplace
about 2.4V?
L304,L305,R301,R302
YES
NO
Is microphone OK?
Check UCP100
YES
END
9-9
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