3. TROUBLE SHOOTING
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3.17.2 Receiver Trouble Shooting
Receiver control signals are generated by MSM8230 (U2000) and Power is supplied by PM8038 (U5000).
START
Check the receiver Sound (loop back
mode) And reconnect receiver on
Main-board
Change the WCD9304 (U7000)
Is speaker sound OK??
Change the receiver.
Is receiver sound OK?
Change Main Board
Is receiver Sound OK?
No
No
Yes
Yes
Yes
No
END
END
END