Microphone Part - Samsung SGH-P100 Service Manual

SG H- P100 F low Chart of Troubleshooting

5. Microphone Part

M icrophone does not work
Is the assem bled status of
m icrophone O .K ?
C heck the reference voltage on m ic path
C 409 "‰2.5V
Is m icrophone ok?
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Y es
Y es
Y es
Y es
E N D
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N o
R eassem ble the m icrophone
N o
Solder the m icrophone again or
R eplace around M ic C ircuit
(C 400, R 409, R 407, R 402, R 405.....)
N o
C heck U 700
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