Nokia N-70 Service Schematics

Introduction
IMPORTANT:
This document is intended for use by authorized NOKIA service centers only.
"Service Schematics" was created with focus on customer care.
The purpose of this document is to provide further technical repair information for
NOKIA mobile phones on Level 3/4 service activities.
It contains additional information such as e.g. "Component finder",
"Frequency band table" or "Antenna switch table".
The "Signal overview" page gives a good and fast overview about the most
important signals and voltages on board.
Saving process time and improving the repair quality is the aim of this document.
It is to be used additionally to the service manual and other training
or service information such as Service Bulletins.
All measurements were made using following equipment:
Nokia repair SW : Phoenix version 2005.12.5.90
Oscilloscope : Fluke PM 3380A/B
Spectrum Analyzer : Advantest R3162 with an analog probe
RF-Generator / GSM Tester : Rhode & Schwarz CMU 200
Multimeter : Fluke 73 Series II
While every endeavour has been made to ensure the accuracy of this document, some
errors may exist. If the reader finds any errors, NOKIA should be notified in writing.
Please send E-Mail to: training.sace@nokia.com training.sace@nokia.com
Copyright © NOKIA
This material, including documentation and any related computer programs is protected
by copyright, controlled by NOKIA. All rights are reserved. Copying, including reproducing,
modifying, storing, adapting or translating any or all of this material requires the prior
written consent of NOKIA. This material also contains confidential information, which may
not be disclosed to others without the prior written consent of NOKIA.
Customer Care/ Service & Support Readiness / Content Creation Managment Customer Care/ Service & Support Readiness / Content Creation Managment
Copyright © 2005 NOKIA Only for training and service purposes Copyright © 2005 NOKIA Only for training and service purposes
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Service Schematics
NOKIA
n-70
RM-84

Table of Contents

Table of Contents

Frontpage

Frontpage
Baseband - RF connections Baseband - RF connections
System connector System connector
RETU, SIM, Audio RETU, SIM, Audio
TAHVO TAHVO
RAP3G, SDRAM, Flash RAP3G, SDRAM, Flash
OMAP, Combo memory, Cameras OMAP, Combo memory, Cameras
BTFM BTFM
B to B connections B to B connections
RF part RF part
Signal overview Signal overview
Component finder Component finder
Version: 1.0 Version: 1.0 08.08.2005 08.08.2005

Exploded view and component disposal

Page Page
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3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 11
12 12
N-70 RM-84 N-70 RM-84 Board version: 1MV_15 Board version: 1MV_15 Frontpage Frontpage Page 1(12) Page 1(12)