Nokia RM-243 - Charging Interface Connections & Electrical Characteristics; Internal Interfaces; Back-Up Battery Interface Electrical Characteristics

Charging interface connections & electrical characteristics
Table 16 Charging interface connections
Pin Signal I/O Engine connection Notes
1 Vchar In N2300 VCharIn1, 2 Charging
voltage /
charger
detection,
Center pin
2 Charge GND Ground Charger
ground
Table 17 Charging IF electrical characteristics
Description Parameter Min Max Unit Notes
Vchar V Charge 0 9 V Center pin
Vchar I Charge 0.85 A Center pin
Charge GND 0.85 A
Internal interfaces
Name of Connection Connector reference
Earpiece B2101
Display connector X2400
Keypad connector X2401
IHF speaker B2102
Main camera connector X3300
Microphone B2100
2
nd
camera
N3301
Vibra M2100
Back-up battery interface electrical characteristics
Table 18 Back-up battery connections
Pin name I/O Connection Notes
L2207,
VBack
-> N2200,
VBack
Back-up battery G2200 is
connected to N2200
RM-243
System Module and User Interface
Page 6 –24 COMPANY CONFIDENTIAL Issue 1
Copyright © 2007 Nokia. All rights reserved.