External And Internal Signals And Connections; Fig 4 Power Distribution Diagram - Nokia NPL-4 Series Manual

NPL-4/5/RM-104
System Module and User Interface
VR1A
VR1B
RF
VR2
VR3
VR4
VR5
VR6
VR7
IPA1
IPA2
IPA3
VBATRF
Charger
VAUX2
POPPORT
Tomahawk /
BL-5B Battery
Vout

External and internal signals and connections

This section describes the external and internal electrical connection and interface levels
on the baseband. The electrical interface specifications are collected into tables that
covers a connector or a defined interface.
Copyright © 2005 Nokia Corporation. All rights reserved.
Page 18
Figure 4: Power Distribution Diagram
VSIM
UPP
v4.2
VCORE
UEMEk
VIO
VANA
UEME
analog
parts
COMPASS
VAUX1
VAUX3
VFLASH1
UEME
digital parts
VBATRF
VBAT
SIM
COMBO Ext. 2.8V
128/16M regulator
HWA and
FM-
Camera
Radio
Ext. 1.8V FCI
regulator Interfac
IHF PA
VIBRA
D-class
Nokia Customer Care
LCD
CSTN
VIO
IR
module
DC/DC
Disp and
Flashlight
keypad
Illumination
Issue 2 05/05