Interconnection Diagram; External Signals And Connections; Battery Connector - Nokia 2650 Service Manual

RH-53/54
8-System Module

Interconnection Diagram

Battery

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.
Name
VBAT
GND
BSI
Issue 2 06/2005
Figure 2:IPower distribution diagram
Baseband
UEM
RF Regulators
Baseband
LED+
Regulators
RTC
LED
Driver
VBAT
Boomer
PA Supply
System Connector
Table 6: Battey connetor
Description
Battery voltage terminal.
Battery ground terminal.
Battery size identification.
COMPANY CONFIDENTIAL
Copyright © 2005 Nokia. All Rights Reserved.
VR1A
VR2-7
6
VSIM
VCORE
VANA
VIO
VFLASH1
CHACON
Battery calibration.
Flash and local mode forcing.
Nokia Customer Care
SIM
UPP
FLASH
LCD
Test usage
17