Siemens C35 series Bedienungsanleitung

V1.0

Local Service Organization Service Manual

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V1.0 i

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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V1.0 2

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.

V1.0 3

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.

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

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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V1.0 8

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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