LG KS20 - Page 68

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Voice Call Receiver Mode Path
3. TECHNICAL BRIEF
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Voice Call Receiver Mode is routed as below
MSM7200 EAR1ON,EAR1OP -> Analog Switch( U400) -> Receiver
Voice
Voice + MP3 + MIDI
MSM7200
(U100-1)
AMP
(U401)
Loud Speaker
MIC
Head_set MIC
Receiver and
Analog
switch
(U400)
Head_Set
Headset
AMP
(U402)