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Phone description
Introduction
This chapter describes the baseband 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-70/Nokia 7370 operates on the GSM900/1800/1900 bands.
The phone is a swivel phone, with one main part and one wing board. They are connected with a micro coax
cable harness.
Main board includes: BB and RF blocks, Bluetooth, FM radio, HWA, camera, etc.
Wing board includes: LCD display and earpiece
Characteristic components
Function
Name
Item
RF ASIC
Ahne
N7505
Energy management
Retu
Tahvo
D2200
N2300
Main processor
RAPGSM
D2800
Memory
Combo: 128 Mbit SDRAM & 256 Mbit NOR flash
D3000
Power amplifier
RF9282
N7520
Antenna
System connector
PopPort
X2001
Battery
BL-4B, 3.7 V, 700 mAh, Li-ion
Swivel detection
2 Hall ICs and 2 permanent magnets
Bluetooth
BC4-ROM
N6030
FM radio
TEA5761, single chip
N6156
Stereo IHF Speaker
13mm ALE
I202
Earpiece
7/11
B2101
Microphone
I203
Vibra
M2100
Charger connector
2 mm Nokia charger interface
X2000
Camera
1.3 Mpix SMIA85, no flash light
X3300
RM-70
System module
Nokia Customer Care
Issue 1
COMPANY CONFIDENTIAL
Page 8 –5
Copyright © 2005 Nokia. All rights reserved.
Содержание 7370
Страница 183: ...8 System module Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 8 1 Copyright 2005 Nokia All rights reserved ...
Страница 207: ...9 Schematics Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 9 1 Copyright 2005 Nokia All rights reserved ...
Страница 221: ...Glossary Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page Glossary 1 Copyright 2005 Nokia All rights reserved ...