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SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-15
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Stereo Headset Working
Hands-free stereo
headset
NG
YES
Chang Hands-free headset
Button NG?
NO
C409 > 0.2V
MIC NG?
NO
YES
Resolder R410
YES
Resolder L400,L404,L407,C410,C415,R413
NO
Signal on
in R406,
R407?
SPK NG?
Check L401,L402,
EAR400
YES
YES
NO
NO
Signal on
in C310
C311?
YES
Check U401
The End
NO
Change Main PBA