Nokia 8390 Manuales De Servicio
PAMS Technical Documentation
System Module & UI
NSB-8
Issue 1 01/02
ãNokia Corporation
Page 17
DC connector
Headset connector
SIM connector
Table 11: DC connector
Pin
Signal
Min
Nom
Max
Condition
Note
2
VCHAR
7.0 V
RMS
8.4 V
RMS
9.2 V
RMS
850 mA
Fast charger
Charger positive input
1
CHGND
0
Charger ground
Table 12: Headset connector
Pin
Signal
Min
Nom
Max
Condition
Note
5
XMICP
1Vpp
G = 0dB
1k
Ω
to MIC2B
100 mVpp
G = 20dB
2.0 V
2.1 V
2.25 V
DC
3
XMICN
1Vpp
G = 0 dB
1k
Ω
to GND
100 mVpp
G = 20dB
4
XEARN
0.75V
0.8V
0.85V
DC
1Vpp
AC
7
XEARP
0.75V
0.8V
0.85V
DC
1Vpp
AC
5
HookInt
0V
2.86V
(VFLASH1)
Connected to UEM AD-converter
6
HeadInt
0V
2.86V (VANA)
Accessory detection
Table 13: SIM connector
Pin
Name
Parameter
Min
Type
Max
Unit
Notes
1
VSIM
1.8V SIM Card
1.6
1.8
1.9
V
Supply voltage
3V SIM Card
2.8
3.0
3.2
2
SIMRS
T
1.8V SIM Card
0.9xVSIM
0
VSIM
0.15xVSIM
V
SIM reset (output)
3V SIM Card
0.9xVSIM
0
VSIM
0.15xVSIM