Microphone Part - Samsung SGH-D800 Service Manual

SGH-D800 Flow Chart of Troubleshooting

2-1-4. Microphone Part

Microphone does not work
Yes
No
Is the assembled status
Reassembled the microphone
of microphone O.K?
Yes
Check the reference voltage on mic path
Yes
Resolder or change
No
C112 ≒ 2.8V ?
R509,R510,R512,R514,R516,R518,
C507,C511
Yes
No
Is microphone ok? Check U101
Yes
END
2-10
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization