LG H990ds - Audio Receiver Troubleshooting

Copyright ⓒ 2016 LG Electronics. Inc. All right
reserved. Only training and service purposes
LGE Internal Use Only
3. TROUBLE SHOOTING
The receiver control signals are generated by WCD9335(U6000), the WCD9335 chip and the receiver are to be checked out.
3.13 Audio receiver
Circuit Diagram
Image Checking Flow
Start
Check the Receiver.
And reconnect RCV module
Hear the Voice
through the RCV?
Change damaged
contact pin.
Yes
No
No
Yes
Change Main Board
End
Receiver
Change RCV
Module
Yes
No
Contact pin
(ANT 6010, 6011)
69