Microphone Part - Samsung SM-T805 Service Manual

8-3-5 Microphone Part

Check microphone function in voice call Hands-free
mode or Camera(camcording) mode
Check board
connection(HEA700) and
check connection IF FPCB to
Mic FPCB
Check status of FPCB
(damaged or tore FPCB,
broken connector)
Check component soldering
statuses of L702,L703
Check the voltage at
TP614 = 2.6V
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Yes
Yes
Yes
Yes
Yes
END
No Set the HEA700 connection
Set the IF FPCB to Hall IC FPCB connection
Set the Hall IC FPCB to Mic FPCB connection
No
Replace problem FPCB
No
Resolder or replace L702,L703
No
resolder or replace U602
8-16
Level 3 Repair