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Level 3 Repair
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Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-13
8-3-6. 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
C420, C421
Change the Sub-PCB module
Resolder or replace C420, C421
END
No
Yes
Yes
Yes
No
Check main microphone function
in voice call receiver mode
or in Voice Recording mode
Check the voltage at
C412 = 2.8V
Resolder or replace U402
No
Yes
Summary of Contents for GT-P3100
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