Audio - LG KE260 Service Manual

3.13. Audio

KE260Audio signal flow diagram as following diagram.
MIC1
MIC2
BBP
PMB8876
EP
GPIO
EPA
FM_BBP_SEL
FM
Stereo/ Single ended
Si4701
GPIO
Single End
Single End
DP
Mono/ Differential
DT
SPK_RCV_SEL
DP
Amp
DT LM4845
Stereo Diffential
Stereo/ Single ended
FM Antenna
Audio FM
Audio
TX Radio
RX
Figure 22 Audio signal flow diagram
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3. TECHNICAL BRIEF
Differential
Stereo/ Single ended
Receiver & Speaker
Main PCB
Active
Mic.
Stereo head set &
Microphone
Sub PCB