LG LG-H815 - Receiver

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reserved. Only training and service purposes
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3. TROUBLE SHOOTING
3.19.2 Audio - Receiver
Circuit Diagram
Image
Checking Flow
Receiver control signals are generate by MSM8992(U2100), WCD9330(U6100)
Voice Receiving path as below : MSM8992  WCD9330  Receiver
CN6203
CN6202
L6800
L6801
Contact pin
Start
Check the Receiver sound.
check receiver contact.
Hear the sound to
the Receiver?
Check contact Receiver
pin to PCB, OK?
(
CN6202 7CN6203)
No
Yes
Change Receiver.
Can you hear a
sound?
No
Yes
End
Check Main PCB
inductor
(L6800 / L6801 )
. Sound OK?
Yes
Change Main Board
No
No
Yes
Making the receiver
pin contact to PCB
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