Samsung SM-T520 Service Manual page 37

Level 3 Repair
8-3-3-1 Microphone Part
Check microphone function in voice call Hands-free
mode or Camera(camcording) mode
Yes
No
Check board
Set the CN700 connection
connection(CN700)
Yes
No
Check the voltage at
resolder or replace U605
C641 = 2.8V
Yes
Check component soldering
No
statuses of
Resolder or replace C612,C614,L702,L703
C612,C614,L702,L703
Yes
END
8-9
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