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Level 3 Repair
8-3-14. Earphone MIC
Earphone MIC does not work
NO
1. contact Earphone in Earjack
Is the connection of
connector again
Earphone MIC O.K ?
2. Replace Earjack connector
YES
NO
Check voltage
Put more lead solder
@C519 】 2.1V ?
@C519
YES
NO
Check the connection
Put more lead solder
C503,C504,L500,L510,
each terminal
C522,C523
YES
NO
Does MIC work well?
Back to
Replace Board(PBA)
(ex.voice recording)
previous step
YES
END
8-27
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