PAMS Technical Documentation
UI Module
NSB-7
Issue 1 06/00
ã
Nokia Mobile Phones Ltd.
Page 9
External audio connections
The external audio connections are presented on the next page. A headset and PPH-1
can be connected directly to the system connector. The headset microphone bias is sup-
plied from COBBA AUXOUT output and fed to microphone through XMICP line.
Figure 4: External Audio Connections
XEARP
XEARN
10
ı
10
ı
33n
33n
HeadDet
HF
HFCM
100k
2.8 V
MIC1N
MIC1P
33n
33n
MIC3N
MIC3P
XMICP
MAD
AUXOUT
EAD
CCONT
Baseband
470R
COBBA
HookDet
33k
100k
100k
XMICN
100k
2.8 V
220k
33k
1k
10k
10k
PData(2)
2k2
2k2
100R
470R
100R
100R
CTIM
CHAPS
10k
10k
CCUT