Samsung GT-I9295 Service Manual page 63

Level 3 Repair
8-3-8-1 Microphone Part - Main MIC
Check main microphone function
in voice call Handset mode or voice recorder mode
Yes
No
Check sub board
Set the HDC900 connection
connection(HDC900)
Yes
No
Check the voltage at
resolder or replace U1001
C1020 = 2.8V
Yes
No
Check component soldering
Resolder or replace L904, L907
statuses of L904, L907
Yes
END
8-20
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