Stereo Headset Working - Samsung GT-S3850 Service Manual

 Stereo Headset Working
Hands-free stereo
headset
NG
Button NG?
NO
MIC NG?
NO
SPK NG?
NO
The End
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YES
Chang Hands-free headset
YES
C409 > 0.2V
Resolder L400,L404,L407,C410,C415,R413
YES
Signal on
in R406,
R407?
Signal on
in C310
C311?
Check U401
8-15
NO
YES
YES
NO
YES
Change Main PBA
NO
Level 3 Repair
Resolder R410
Check L401,L402,
EAR400