Table 9 AV connector pins
Pin Signal name Direction Description
1, 2 HS_ GND - Ground)
3 HS_MIC Input Microphone
4 HS_EAR_R Output Audio out
5 HS_EAR_L Output Audio out
6 PLUG_DET Input Plug detection
RF description
Receiver (RX)
An analogue signal is received by the phone's antenna. The signal is converted to a digital signal and is then
transferred further to the baseband (eg. to the earpiece).
The receiver functions are implemented in the RF system module.
Signals with different frequencies take different paths, therefore being handled by different components.
RM-352; RM-354
System Module
Page 5 –16 COMPANY CONFIDENTIAL Issue 1
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