3. TROUBLE SHOOTING
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START
Check the Speaker Sound. And
reconnect the Main ANT module
Change the WCD9304
(U7000) Is speaker sound OK??
Change the Main ANT
module. Is speaker sound OK?
Change Main Board
Is speaker Sound OK?
No
No
Yes
Yes
Yes
No
END
END
END
3.17 Audio
3.17.1 Speaker Troubleshooting
Speaker control signals are generated by MSM8230 (U2000) and Power is supplied by PM8038 (U5000).