Siemens C35 series Manuel utilisateur
V1.0
Local Service Organization Service Manual
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Table of Content
CHAPTER 1
Cellular Communication
Coverage Concept 1
GSM Network Architecture 2
Subscriber Identity Module 3
SIM Application Toolkit 4
Extended GSM 900 - EGSM 5
Built-in Modem 5
Data Application 6
CHAPTER 2
Level 2 Service Guide
Introduction 7
C35 Series Technical Information 8
Accessories 10
General Information 11
C35 Series Exploded Diagram 13
Mechanical Concept 14
Hardware Concept – Block diagram 15
Hardware Description 16
Power Supply Concept 18
Over voltage Condition 18
Battery 19
Short Circuit Protection 19
Charging 19
Deep Discharge Battery 20
C35 Spare Parts Level 2 21
Disassemble the C35 22
Disassemble/Assemble Lower Housing 24
Disassemble/Assemble Control Board Assy 25
Disassemble/Assemble Upper Housing 27
Assemble the C35 28
Mobile Software Programming 30
Language Groups 32
Customer Specific Initialization 34
International Mobile Equipment Identity 34
Phone Unblocking 35
CHAPTER 3
Siemens Service Equipment
Introduction 37
Other equipment 39
Software Installation 40
Configuring the test software 41
Running the test sequence 42
ANNEX A 46
ANNEX B 49
CHAPTER 4
Level 2.5 Repair Document
Introduction 50
Antenna Connector 51
Ringer 55
Bottom Connector (Lumberg) 58
Display Connector 62
Keyboard LED 66
Display LED 69
Infrared Diodes 73
ANNEX C
PC Adapter Cable & Accessories C35 76
Power Plug for C35 77
Car installation Ratio Unit, C35 78
Car Installation kit Handfree kit 79
Car Installation kit Handfree Pro. 80
Car Installation Comfort GPS, C35 81
References 83
V1.0 1
Cellular Communication
Coverage Concept
.
he cellular systems is made up of numerous transmitting and
receiving sites, whose individual coverage areas partially overlap. The
concept of frequency re-use, same frequency is used by several sites,
allows a high traffic density in a wide area. Due to the limited
transmission range of the terminals, cellular systems are based on a large
number of base stations on the infrastructure side, scattered over the area to
cover, with each covering a fairly small geographical zone called cell. Cells are
often represented by hexagons (see figure 1.1.).
FIGURE 1.1 CELLULAR COVERAGE REPRESENTATION.
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GSMNetworkArchitecture.
GSM network can be broadly divided into three broad parts, namely:
1. Mobile Station(MS) carried by the subscriber,
2. Base Station Sub-system(BSS) which controls the radio link with the mobile station.
3. Mobile Switching Center(MSC) which performs the switching of calls between the mobile
users, and between mobile and fixed network users.
FIGURE 1.2 GSM ARCHITECTURE
Each mobile station is given a unique identity. As soon as the mobile phone is turned on, it
registers with the network and is authenticated, as such the network could always find the
mobile phone.
Larger amount of data is being exchanged to and from the following functional blocks in the
MSC:
Visitor Location Register, VLR
Stores information about mobile subscribers that enter it coverage area which is associated with
the geographical area where the mobile is currently roaming. When there is an incoming call for
the mobile, the HLR is interrogated about the present address of the VLR.
Home Location Register, HLR
A database that contains all data concerning the subscription of the mobile subscriber, i.e. their
access capabilities, subscribed services, and supplementary services. It also contains
information about the VLR that is handling the mobile station currently. When the mobile
changes location, the HLR is updated accordingly. It also provides the MSC with information
about the MSC area where the mobile is actually located to allow incoming calls to be routed
immediately to the called party.
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Authentication Center, AUC
Stored information that is necessary to protect communication through the air interface against
any intrusions. The legitimacy of the subscriber is established through authentication and
ciphering, which protects the user information against unwanted disclosure.
Equipment Identity Register, EIR
An option the network operator can use to enforce security. With this feature the network can
identify defective or stolen mobile that may not be used in the network.
Subscriber IdentityModule(SIM)
SIM is a smart card which has a computer and memory chip that is permanently installed in the
mobile equipment. It comes in either the size of a credit card or smaller version known as the
plug-in SIM.
The subscriber information, which includes a unique number called the International Mobile
Subscriber Identity (IMSI) is stored in the SIM card. SIM card identifies the subscriber to the
network.
FIGURE 1.3 INSERT SIM CARD
Figure 1.3 illustrates the steps for inserting the SIM card into the C35 series.
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V1.0 4
To protect the SIMcard from improper use, a security feature, a four digits personal identification
number (PIN), is built in. The PIN is stored in the card and can be changed by the subscriber.
PIN2 is required for additional funtions available with a special SIM card (Consult the operator for
more information about the PIN.
A code (PUK) is provided for unlocking the SIMcard if the SIM card is blocked
ChangePINProcedures.
CHART 1.1 PIN CONTROL
SIMApplicationToolkit
SIM Applications Toolkit (SAT) allows the flexibility to update the SIM, to change the services
and download new services over the air. In the SAT specification, the short message service is a
Β
MENU
SETUP
SECURITY
CODES
CHANGE PIN CHANGE PIN2
{ENTER PIN NUMBER}
CHANGE
{ENTER NEW PIN} AND PRESS OK KEY.
{ENTER NEW PIN) AND PRESS OK KEY.
V1.0 5
key mechanism for personalizing the SIM in each user’s GSM phone. It is designed as a client-
server application. C35 series supports SAT Class 3 specification.
When active, the name of the service may appear in the menu, and there will be sub-menu if
more than one application is active. Figure 1.6 is the SAT icon.
FIGURE 1.4 SAT ICON
ExtendedGSM900, E-GSM
This is a new standard that allows Network Operators to increase their capacity through an
extended frequency. The frequency range of E-GSM is as follows:
•Mobile Transmit: 880 – 915 MHz
•Mobile Receive: 925 – 960 MHz
C35 series is a GSM Phase 2 / Phase 2+ Dualband E-GSM / GSM 1800 mobile phone.
Built-inModem.
C35i has an integrated modem for direct data communication using the data cable as shown in
Figure 1.5. C35 do not have the built-in soft modem for Data Service of GSM network.
FIGURE 1.5 DATA CABLE.
V1.0 6
DataApplicationSupport
Modem driver conforms to V.25 command set, and transmission speed conforms ITU-T-
standard of V.22bis. (2400, 4800,and 9600 bits/sec).
Facsimile conforms to Service Class 1, group 3 and operate at 2400, 4800, 7200 and 9600 bit/s.
Data services via GSMnetwork up to 9600 bps, and remote control using cellular AT commands
for C35i only.
Internet access via the C35i is possible with the inclusion of Wireless Application Protocol (WAP)
browser 1.1 .
V1.0 7
Level2 Service Guide
Introduction
The chapter is intended to help you carry out repair up to Level 2 on the C35 series mobile
phone.
The repair for international version and Asian variants are identical unless otherwise noted,
therefore the description herein is confined to C35 only.
All repairs have to be carried out in an environment set up
according to ESD regulations defined in international standards.
ESD procedure is available from your Service Manager. Ask for
ASC/T001/98
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C35 & C35iTechnicalInformation
System GSM Phase 2/Phase2+, Dual Band
EGSM 900, Class 4(2 Watt)
GSM 1800, Class 1(1 Watt)
Operating Voltage 3.6V
Size(LxWxH) 118 x 46 x 21 mm(without antenna)
Volume 88cm3including battery (approx)
Weight 116g including battery (approx)
Battery(Standard) NiMH, 500mAH(Standard)
Li-Ion, 600mAH(Optional)
Standby time150 to 180 hours (standard battery)
Talk time190 to 300 minutes (standard battery)
Charging Time Up to 1.5 hours with Rapid Charger
SIM support Plug in card 1.8 V or 3V
Antenna Non - retractable, λ/2, helical fixed.
Speech codec Triple rate
Enhance Full Rate
Full Rate
Half Rate
Display 101 x 54 pixel graphical display with up to 5 lines
12 x 12 font size for Chinese
Keypad 12 numeric keys(10 numeric, #, *)
4 function keys(Send, End-ON/OFF, Menu, Phonebook)
2 multifunctional softkeys
Key Sound Click/DTMF/None
Key Lock Activation and Deactivation by #-key or
Automatic.
1Actual time dependent on the network.
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