User Guide

RH-37
System Module Nokia Customer Care
Page 20 Nokia Corporation Issue 1 07/04
Figure 4: Power Distribution Diagram
DC characteristics
Supply voltage ranges
Table 6: Battery voltage ranges
Signal Min Nom Max Note
VBAT 3.1V 3.7V 4.2V 3.2V SW cut off
2.95V HW power off
FCI
CAMERA
System Connector
Battery
CHACON
RF Regulators
Baseband
Regulators
6
VR2-7
VR1A
VR1B
VIO
VSIM
VCORE
VANA
VFLASH1
RTC
PA Supply
SIM
UPP
Combo
Memor
y
Baseband
UEME
VBAT
VFLASH1
Vout
White LED
Driver
VLED+
VBAT
LCD
VAUX2
VAUX3
LEDs
To RF Parts