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.
NOKIA
7370
RM-70
Exploded view and component disposal
All measurements were made using following equipment:
Nokia repair SW Oscilloscope Spectrum Analyzer RF-Generator / GSM Tester Multimeter
: : : : :
Phoenix version 2005.20.7.98 Fluke PM 3380A/B Advantest R3162 with an analog probe Rhode & Schwarz CMU 200 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:
[email protected]
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 PWB
Page
1 2 3 4 5 6 7 8 9 10 11 12
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 Copyright © 2005 NOKIA Only for training and service purposes
Version: 1.0
03.11.2005
7370 RM-70
Board version: 1lua_50a
Front page
Page 1(12)
