LG -D295 Service Manual page 128

3.11.5. Ear-Mic Trouble Shooting
Ear MIC control signals are generate by MSM8212(U2100)
Case A. Disable detected headset insert.
No
LGE Internal Use Only
START
Didn't display headset icon and play sound via
speaker although headset inserted
Change Ear Jack Connector.
Sound play via headset?
Check the left signal and
detection line short when headset inserted?
Change MSM8212(U2100).
Headset works well?
Change the main board
END
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3. TROUBLE SHOOTING
No
Yes
No
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Yes
Yes
Yes
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