Flow Chart of Troubleshooting
9-5. Microphone Part
Microphone does not work
Check the connection
HDC402 ok?
C640 is 2.0V
Is microphone ok?
Yes
Yes
Yes
Yes
END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
Assemble the connector tightly.
No
Resolder or change U606
No
Change the Key PBA
9-10