Introduction; Phone Description - Nokia RM-645 Service Manual

RM-645
System Module

Introduction

Phone description

RAPU is the main digital baseband ASIC in the phone. It contains functionality for both WCDMA and GSM EDGE.
GAZOO (N2200) is the main audio and energy management controller for the phone.
Key components
Function
Main PWB
UI flex PWB
Baseband ASIC
RF ASIC
Processor
GSM PA
WCDMA PA
Oscillators
Memory
Back-up battery
Bluetooth
FM radio
A-GPS
USB
Battery
Battery connector
MicroSD connector
Micro USB connector
BTB connector
RF connectors
SIM connector
Issue 1
3FT
3FU
EM ASIC GAZOO
VAPAUS
RAPU
Front end module (FEM), quad band
WCDMA power amplifier module
VCTCXO
Balun GSM
Combo 1G DDR + 2G M3 (stacked with RAPU)
RTC back-up battery 311
BTFMRDS2.2D module
BTFMRDS2.2D module
A-GPS module
USB transceiver
BL-5CT
Tabby blade interface
Board-to-board connector
COMPANY CONFIDENTIAL
Copyright © 2010 Nokia. All rights reserved.
Description Item ref
N2200
N7500
D2800
N7520
N7540
G7500
T7520
D3000
G2200
N6000
N6000
N6200
D3300
X2070
X3200
X3300
X4400
X6200
X7501
X2700
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