LG LG-H815 - Ear MIC

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reserved. Only training and service purposes
LGE Internal Use Only
3. TROUBLE SHOOTING
3.19.5 Audio – Ear MIC
Circuit Diagram
Image
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
Folder
Start
Didn’t display headset icon and did
play sound via speaker although
headset insert
Check PCB.
EAR
JACK
Line
L6653 headset?
Check the left signal
and detection
line
short when
headset
inserted?
Yes
No
Yes
End
Change Main Board
No
Change
Ear-jack
(check ear-jack
were
damaged
)
Yes
No
Ear-jack
L6653
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