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V1.0 06.06.2005
COM D CCQ SLI APAC New Document
Our innovation shapes the future
A70 Level 2 Service Manual
Copyright © Siemens Pte Ltd.
All Rights Reserved Mai 2005
COM D CCQ SLI APAC Page 2 of 36 Internal Use Only
Table of Contents
1 CELLULAR COMMUNICATION………………………………………..……….3
2 KEY FEATURES ……...……………………………………………………………….6
3 COMPARISION WITH PREVIOUS PRODUCT …………………………………….8
4 ACCESSORIES ……………………………………………………………………….9
5 UNIT DESCRIPTION OF A70...…………………………………………………......11
6 DISASSEMBLY OF A70........................................................................................13
7 REASSEMBLY OF A70........………………………………………………………..18
8 MOBILE SOFTWARE PROGRAMMING ……………………………………….....19
9 SIEMENS SERVICE EQUIPMENT USER MANUAL …………………………….22
10 JPICS INTERNET.……………………………………………………………………23
11 INTERNATIONAL MOBILE EQUIPMENT IDENTITY, IMEI…….………………..29
12 GENERAL TESTING INFORMATION……………………………….……………..30
Annex 1……………………………………………………………………………….……….35
Annex 2…………………………………………………………………………….………….36
A70 Level 2 Service Manual
Copyright © Siemens Pte Ltd.
All Rights Reserved Mai 2005
COM D CCQ SLI APAC Page 3 of 36 Internal Use Only
1 Cellular Communication
1.1 Coverage Concept
The cellular system 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
A70 Level 2 Service Manual
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1.2 GSM Network Architecture
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
Contain relevant data of all mobiles located in the serving MSC, but not belong to the
area.
Home Location Register, HLR
Stores identity and user data of all the mobile users belonging to the area.
Authentication Center, AUC
Provides the HLR with different sets of parameters to complete the authentication of
the mobile station.
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.
A70 Level 2 Service Manual
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1.3 Subscriber Identity Module (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.
SIM card using 5V technology is not supported.
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.
To protect the SIM card 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 functions available with a
special SIM card (Consult the operator for more Information about the PIN 2).
A code (PUK) is provided for unlocking the SIM card if the SIM card is blocked.
A70 Level 2 Service Manual
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2 Key Features
Bands • Triple Band E-GSM 900 / GSM 1800 / GSM 1900
• EGSM Phase 2 / phase 2+
Battery • Li-Ion Battery Pack
• Nominal Voltage : 3.7V
• Nominal Capacity : 600 mAh
Stand-by Time • up to 250 h (standard battery)
Talk Time • up to 300 min (standard battery)
SIM Card
• Small (”Plug In”) 1.8 V or 3V SIM card (Phase II)
• To insert the SIM card, the battery pack must be
removed.
GSM Antenna • Integrated triple band antenna for EMEA/APAC.
Dimensions • 101 x 45 x 21 mm (L x W x H)
Weight • 78 g
Charging time • < 2 h for 100%
Receiver Sensitivity • GSM 900: -102dBm (Specification, static & with fading)
• GSM 1800/1900: -102 dBm (Specification, static & with
fading)
Receiver sensitivity must comply with the corresponding GSM
recommendations in all operating conditions (temperature,
battery level, etc)
Transmitter Power • GSM 900: nominal 2W (Specification: Class 4 Mobile
phone)
• GSM 1800/1900: nominal 1W (Specification: Class 1
Mobile phone)
Transmitter output characteristics is according to GSM 11.10
specification implying all specified operating conditions
(Temperature, battery level ...).
Transmitter set points will be specified for GSM and PCN when
typical values and statistical values become available.
Speech Codec
• Half Rate, Full Rate, Enhanced Full Rate and Adaptive
Multi Rate speech coders are available as standard.
Temperature
Range • -100C to +550C (Normal operation)
• -300C to +850C (Storage capability)
A70 Level 2 Service Manual
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Display • Type: Full Dot Matrix
• Resolution: 101 x 64 Pixel
• Colours: B & W
• Technology: F-STN (Epson)
• Dot size: 0.277mm x 0.297mm
• Active area: 29.477mm x 19.953mm
• Visible area: 33.0mm x 23.2mm
• Illumination: Min 2.0cd/mm
• Operating Temp.: -200C to +550C
12-Block Keypad • 12-digit block (0-9, #, *) small letters
• two function keys (SEND, END)
• ON/OFF key combined with the END key
• 2 way navi key
• 2 softkeys on left & right position
Acoustics
• comfortable earpiece with optimal acoustics
• unidirectional microphone (same as Puma)
• different call melodies (for the amount see SW product
description). All melodies with increasing volume because
of the danger of acoustic shock. Additional measures to
protect from acoustic shock, see SW product description.
• different selectable volume levels for handset and ringer
mode (for the amount see SW product description)
• mount see SW product description)
A70 Level 2 Service Manual
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3 Comparison with Previous Product
Feature A65 A70
Frequency bands/int’l 900/1800/1900MHz 900/1800/1900MHz
Frequency bands/LAM 850/1800/1900MHz 850/1800/1900MHz
Product Class Class A Class A
Form factor Bar phone Bar phone
PCB thickness 1.106MM 1.106MM
PCB outline Same as Puma Same as Puma
BB chipset EGOLDlite EGOLDlite
RF solutions B6E/SD2 B6E/SD2
PMU ASIC Salzburg 75/Twigo 3+ 75 Salzburg 75/Twigo 3+ 75
Flash 64Mbit 32Mbit
RAM 16Mbit P-SRAM 16Mbit P-SRAM
Display 101X80, 4k, C-STN 101X64, b/w
Battery Same as Puma Same as Puma
Feature set A60 A52
USB/IrDA/Bluetooth None None
MMS None No
Java None No
WAP Yes No
Exchangable housing No No
Speaker Penelope Same as Penelope
Lead free technology Yes No
Clip on camera No No
NO ID CONCEPT Battery Cover Battery Cover
Navi key 4-way 2-way
A70 Level 2 Service Manual
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4 Accessories
For A70, the following accessories will be available.
Description Part number
Belt Case FCL-600 L36880-N7101-A120
Tour Case FCT-650 L36880-N5601-A149
Headset Purestyle HHS-610 L36880-N7101-A500
Headset HHS-510 L36880-N5601-A108
Headset Basic HHS-500 L36880-N5601-A107
Li-Ion Battery 700mAh EBA-510 L36880-N5601-A100
Travel Charger ETC-500 L36880-N5601-A104
Travel Charger ETC-510 L36880-N5601-A105
Car Charger Plus ECC-600 L36880-N7101-A109
Desk Top Stand EDS-600 TBC
Car Charger ECC-500 TBC
Car Kit Easy HKP-700 TBC
Car Kit Portable HKP-500 L36880-N5601-A109
Car Kit Easy Upgrade HKO-700 TBC
Note: Visit the Communication Market for updated accessories:
https://communication-market.siemens.de/
A70 Level 2 Service Manual
Copyright © Siemens Pte Ltd.
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4.1 A70 Interface to accessories
The phone has a fully compatible interface to accessories. The connectors (I/O) are
identical to the 75 Family.
Mechanical interfaces are defined on the mobile phone to make sure that the accessories
are compatible across the whole L75 platform.
The design is released by AD regarding compatibility to Accessory Devices.
Slim Lumberg I/O Connector
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