Microphone Part Troubles - Samsung GT-I8150 Service Manual

Level 3 Repair
8-3-5. Microphone Part (1)
Check main microphone function
in voice call receiver mode
Check the voltage at C653 =
Check component soldering
status of L616,C653, L607,
C605, ZD 604
Check the connection of
Yes
2.8V
Yes
Yes
HEA602
Yes
END
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No
Resolder or replace C653, HDC602
No
Resolder or replace L616,C653, L607, C605, ZD604
No
Reconnect HDC602
8-20