3. TROUBLE SHOOTING
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3.8.4 Ear-Mic Trouble Shooting
Ear MIC control signals are generate by MSM8210(U2100)
Case A. Disable detected headset insert.
START
Didn’t display headset icon and play sound via
speaker although headset inserted
Change Main Board
Check the left signal and detection line short
when headset inserted?
Change Ear Jack Connector.
Sound play via headset?
Yes
Yes
Yes
Change MSM8210(U2100).
Headset works well?
No
No
No
END
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