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RM-272; RM-273
System module
Phone description
Introduction
This chapter describes the system module including engine, power management, interfaces, audio etc.
The baseband is based on BB5.0 with a RAPGSM main processor and Retu/Tahvo energy management. All
blocks that require high voltage process are in Tahvo and all other in Retu. The RF part is based on the ASIC
Ahne.
RM-272/273 is a monoblock phone, in which all electrical components are assembled into one PWB.
RM-272 operates on the GSM 900/1800/1900 bands.
RM-273 operates on the GSM 850/1800/1900 bands.
Key components
Function
Energy management
Main processor
Memory
RF ASIC
Front end module
Antenna
System connector
Battery
Bluetooth
FM radio
IHF Speaker
Earpiece
Microphone
Vibra
Charger connector
Camera
HWA
Display
LED driver
RTC battery
Issue 1
Retu
Tahvo
RAPGSM
Combo: 128 Mbit SDRAM & 256 Mbit NOR flash
Ahne
Power amplifier and Antenna Switch
Antenna module assembly
• RM-272: 900/1800/1900 MHz
• RM-273: 850/1800/1900 MHz
AV connector
mini USB connector
BL-4C, 3.7 V, 860 mAh
BC4-ROM
TEA5760
Donau or Aura (in antenna module assembly)
RDF-07A 32OHM 10.86x7.40.2.2
Clapton
SMD VIBRA MOTOR
2 mm Nokia charger interface
2.0 Mpix SMIA85
STV0984N
QVGA 240 x 320, 2"
TPS 61061 YZFR
311 size
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
Name
Item
D2200
N2300
D2800
D3000
N7505
N7520
X2030
X2002
N6030
N6100
B2101
B2100
M2100
X2000
D3300
N2301
G2200
Page 5 –5
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