Microphone Part - Samsung SGH-Q208 Service Manual

5-5. Microphone Part

Micro Phone does not work
check the contact status
of microphone.
Check the reference
voltage on mic path
C410
Check audio switch
U401 circuitry
END
Y
Y
2.5 V
Y
Y
SAMSUNG Proprietary-Contents may change without notice
SGH-Q208 Flow Chart of Troubleshooting and Circuit Diagrams
Refabricate or change the
N
microphone holder.
Resolder or change
N
R427, C410, R407, C404, R403, R405
N
5-5
Change U401