Nokia 2650 - Interconnection Diagram; Battery Connector; External Signals and Connections

Issue 2 06/2005 COMPANY CONFIDENTIAL 17
Copyright © 2005 Nokia. All Rights Reserved.
RH-53/54
8-System Module Nokia Customer Care
■ Interconnection Diagram
Figure 2:IPower distribution diagram
■ External Signals and Connections
Battery connector
The battery temperature is estimated by measurement in the transceiver PWB with a separate
NTC resistor. Thus the Battery Interface has only 3 contacts. The Battery Interface will not sup-
port NiMh batteries.
Table 6: Battey connetor
Name Description Test usage
VBAT Battery voltage terminal. Battery calibration.
GND Battery ground terminal.
BSI Battery size identification. Flash and local mode forcing.
System Connecto
r
Battery CHACON
RF Regulators
Baseband
Regulators
6
VR2-7
VR1A
VIO
VSIM
VCORE
VANA
VFLASH1
RTC
PA Supply
SIM
UPP
LCD
FLASH
Baseband
UEM
Boomer
VBAT
LED
Driver
LED+