Ear Mic - LG -H815 Service Manual

3.19.5 Audio – Ear MIC
When you can't Listen to music or call through earphone, refer to trouble shooting guide.
Ear MIC control signals are generate by MSM8992(U2100), WCD9330(U6100)
Checking Flow
Start
Didn't display headset icon and did
play sound via speaker although
headset insert
Check the left signal
and detection line
short when
inserted?
Ear-jack
Change
(check ear-jack
were
damaged
Check PCB.
EAR
JACK
L6653 headset?
Change Main Board
End
LGE Internal Use Only
headset
Yes
No
Yes
)
No
Line
Yes
No
Folder
Ear-jack
56
3. TROUBLE SHOOTING
Image
L6653
Circuit Diagram
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