Microphone Part - Samsung SGH-I740c Service Manual

Gsm telephone
Table of Contents

Advertisement

Flow Chart of Troubleshooting

10-5. Microphone Part

Microphone does not work
Check the connection
Check the circuit
from U602 to MIC
Check the SWITCH
Check the MIC
Yes
from MIC
Yes
Yes
( U604 )
Yes
END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
Resolder MIC
No
Resolder L601,L603,C629,C633
and check related circuit
No
Check the signal
from MAIN_MIC_P to MIC+
No
Replace the MIC
10-17

Advertisement

Table of Contents
loading

Table of Contents