System Connector Contacts - Nokia NSE–3 SERIES Service Manual

NSE–3
System Module

System Connector Contacts

Con- Line Parameter
tact Sym-
bol
1 VIN Charger input volt-
age
Charger input cur-
rent
DC– L_GND Charger ground
JACK input
DC– VIN Charger input volt-
JACK age
Charger input cur-
rent
DC– CHRG Output high volt-
JACK CTRL age
PWM frequency
output low voltage
2 CHRG Output high volt-
CTRL age
PWM frequency
Mic Acoustic signal
ports
3 XMIC Input signal volt-
age
4 SGND Signal ground
5 XEAR Output signal volt-
age
6 MBUS I/O low voltage
I/O high voltage
7 FBUS_ Input low voltage
RX
Input high voltage
8 FBUS_ Output low voltage
TX
Output high volt-
age
9 L_GND Charger ground
input
Page 3 – 8
Mini- Typical Maxi-
mum / Nomi- mum
nal
7.1 8.4 9.3
720 800 850
7.24 7.6 16.0
320 370 420
0 0 0
7.1 8.4 9.3
720 800 850
7.24 7.6 16.0
320 370 420
2.0 2.8
32
0.5
0
2.0 2.8
32
N/A N/A N/A
60 1 Vpp
0 0
80 1 Vpp
0 0.8
2.0 2.8
0 0.8
2.0 2.8
0 0.8
2.0 2.8
0 0 0
PAMS
Technical Documentation
Unit / Notes
V/ Unloaded ACP–9 Charger
mA/ Supply current
V/ Unloaded ACP–7 Charger
mA/ Supply current
V/ Supply ground
V/ Unloaded ACP–9 Charger
mA/ Supply current
V/ Unloaded ACP–7 Charger
mA/ Supply current
V/ Charger control (PWM)
high
Hz /PWM frequency for
charger
V
V/ Charger control (PWM)
high
Hz /PWM frequency for
charger
Microphone sound ports
mVrms
mVrms
mVrms
Serial bidirectional control
bus.
Baud rate 9600 Bit/s
V/ Fbus receive.
V/ Serial Data, Baud rate
9.6k–230.4kBit/s
V/ Fbus transmit.
V/ Serial Data, Baud rate
9.6k–230.4kBit/s
V/ Supply ground
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