Introduction - Siemens M55 Repair Manual

M55 product is a tripleband (GSM900, GSM1800 and GSM1900) handsets and the M56 is a
dualband mobilphone (GSM850 and GSM1900).
Partnumber on IMEI label:
M55:
M56:
, while # may be any letter (A-Z) and xxx may be any number from 100, 101, 102....
This manual is intended to help you carry out repairs on level 2.5, meaning limited
component repairs. The documented failure highlights should be repaired in the local
workshops.
All repairs have to be carried out in an environment set up according to the ESD
(Electrostatic Discharge Sensitive Devices) regulations defined in international standards.
If you have any questions regarding the repair procedures or technical questions about the
spare parts do not hesitate to contact our technical support team in Kamp-Lintfort, Germany:
Tel.: +49 2842 95 4666
Fax: +49 2842 95 4302
e-mail: st-support@klf.siemens.de
V 1.0
M55/M56

1 Introduction

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Information and Communication Mobile
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Mobile Phones
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