Nokia 7370 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 2005.20.7.98
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 companyconfidential information,
which may not be disclosed to others without the prior written consent of NOKIA.
Customer Care / Service & Support Readiness / Content Creation Management Customer Care / Service & Support Readiness / Content Creation Management
Copyright © 2005 NOKIA Only for training and service purposes Copyright © 2005 NOKIA Only for training and service purposes
NOKIA NOKIA
Service Schematics
7370 7370
RM-70

Table of Contents

Table of Contents
Front page
System connector, IHF speaker
RETU, SIM, Micro, Vibra
TAHVO
RAPGSM, Combo memory, Camera
UI, Key PWB, LCD PWB, Earpice
BT, FM radio
RF- part, BT clock buffer
Signal overview
Component finder engine module
Component finder Key PWB
Component finder LCD module
Component finder LCD PWB
Version: 1.0 Version: 1.0 03.11.2005 03.11.2005

Exploded view and component disposal

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7370 RM-70 7370 RM-70 Board version: 1lua_50a Board version: 1lua_50a
Front page Front page Page 1(12) Page 1(12)