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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