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Level 3 Repair
8-17
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8-3-5 Microphone Part
▶
Earphone MIC
Check the status of soldering
R400, R401, R403, C406,
C412, L402
(ex. Crack)
END
Not OK
Yes
OK
Earphone MIC does not work
C210 and R400
≒
2.2V?
Replace UCP200 using a Heatgun
(Because of not soldering well)
Yes
No
Check EAR400(Earjack) status
(ex. bent metal, it will be not
contact earphone)
Replace EAR400 using a Heatgun
(Caution, Plastic Mold is easy to melt.)
OK
Not OK
Resolder R400, R401, R403, C406,
C412, L402
(not work if those is not connected.)