Samsung SGH-X430 Service Manual page 29
Gsm telephone
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Also See for SGH-X430:
- Quick manual (83 pages) ,
- Quick reference card (2 pages) ,
- Service manual (37 pages)
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7. SGH-X430 Flow Chart of Troubleshooting
5. Microphone Part
Microphone does not work
Is the assembled status of
microphone O.K?
Check the reference voltage on mic path
C1016 뵃 2.5V
Is microphone ok?
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Yes
Yes
Yes
Yes
END
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No
Reassemble the microphone
No
Solder the microphone again or
Replace around Mic Circuit
(C1009, R1010, R1009, R1006, R1008.....)
No
Check U500
7-6
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