Samsung GT-i5800 Service Manual page 34

8-3-5. Ear Microphone
Check ear microphone function
Check the earjeck_rcv_FPCB
connector
HEA400 connect
Check component soldering
L411
Check the Voltage at
C 443 = 2.8V
Check component soldering
status at
R426,R427,C467,C446,C449
,L410,C448,C447,C452
Resolve or change
earjack_rcv_FPCB
Yes
Yes
Yes
Yes
Yes
Yes
END
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No
Connect earjack_rcv_FPCB to HEA400
No
Resolder L411
No
Resolder or change the component U402
No
Resolder components
8-16
Level 3 Repair