Introduction - Nokia 3250 Service Manual

CMO Operations & Logistics
WW Competence Transfer
Multimedia Creation & Support
1.

INTRODUCTION

The purpose of this document is to help NOKIA service levels 1 and 2 workshop technicians to service NOKIA products. This
Service Manual must be used only by authorized NOKIA service suppliers. The content of it is confidential. Please note that
NOKIA also provides other guidance documents (e.g. Service Bulletins) for service suppliers. Follow these regularly and
comply with the given instructions.
While every effort has been made to ensure the accuracy of this document, some errors may exist.
If you find any errors or if you have further suggestions, please notify NOKIA using the address below:
Please keep in mind also that this documentation is continuously being updated and modified, so always watch out for
the newest version.
Warnings and Cautions
Please refer to the phone's user's guide for instructions relating to operation, care, and maintenance, which include impor-
tant safety information. Note also the following:
Warnings:
1. CARE MUST BE TAKEN ON INSTALLATION IN VEHICLES FITTED WITH ELECTRONIC ENGINE MANAGEMENT SYSTEMS AND
ANTI–SKID BRAKING SYSTEMS. UNDER CERTAIN FAULT CONDITIONS, EMITTED RF ENERGY CAN AFFECT THEIR OPERATION. IF
NECESSARY, CONSULT THE VEHICLE DEALER/MANUFACTURER TO DETERMINE
2. THE IMMUNITY OF VEHICLE ELECTRONIC SYSTEMS TO RF ENERGY. THE CELLULAR TELEPHONE MUST NOT BE OPERATED IN
AREAS LIKELY TO CONTAIN POTENTIALLY EXPLOSIVE ATMOSPHERES, EG PETROL STATIONS
AREAS ETC.
3. OPERATION OF ANY RADIO TRANSMITTING EQUIPMENT, INCLUDING CELLULAR TELEPHONES, MAY INTERFERE WITH THE
FUNCTIONALITY OF INADEQUATELY PROTECTED MEDICAL DEVICES. CONSULT A PHYSICIAN OR THE MANUFACTURER OF THE
MEDICAL DEVICE IF YOU HAVE ANY QUESTIONS. OTHER ELECTRONIC EQUIPMENT MAY ALSO BE SUBJECT TO INTERFERENCE.
Cautions:
1. Servicing and alignment must be undertaken by qualified personnel only.
2. Ensure all work is carried out at an anti–static workstation and that an anti–static wrist strap is worn.
3. Use only approved components as specified in the parts list.
4. Ensure all components, modules, screws, and insulators are correctly re–fitted after servicing and alignment.
5. Ensure all cables and wires are repositioned correctly.
Electrostatic discharge can easily damage the sensitive components of electronic products.
Therefore, every Service Supplier must observe the precautions, mentioned in the appropriate
"Service Partner Requirements", available on NOKIA Online. Also see ESD Protection Require-
ments in this Service Manual.
Service Manual 3250 RM-38
Page 3
CONFIDENTIAL
mailto:cc-ts-rc.documentation@nokia.com
Copyright © 2006 NOKIA Corporation. All rights reserved.
(38) Approved 2.0
16.3.2006
(SERVICE STATIONS), BLASTING
DJk