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Level 3 Repair
8-12
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8-3-5. Microphone Part (Main MIC)
Check Sub-PCB module
where main MIC is placed
for any damage (Tear in FPC,
etc)
Check component soldering
statuses of C621, C622
Change the Sub-PCB module
Resolder or replace C621, C622
END
No
Yes
Yes
Yes
No
Check main microphone function
in voice call receiver mode
or in Voice Recording mode
Check the voltage at
C656 = 2.8V
Resolder or replace U609
No
Yes
Summary of Contents for Galaxy S II GT-I9100
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