LG LG-K430DSF - Page 65

65
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3. TROUBLE SHOOTING
Check the Speaker.
And reconnect Speaker module
Change Main Board
Start
Hear the Sound
through the SPK?
No
Change SPK
Module?
No
End
3.10.1 Audio_speaker
The Speaker control signals are generated by MT6328(U4100), the MT6328 chip and the speaker are to be checked out.
Checking Flow Image
Yes
Yes
Circuit Diagram
ANT6200
ANT6201
Speaker