Siemens A50 Service Manual

1
Table of Content
CHAPTER 1
Cellular Communication
Coverage Concept 2
GSM Network Architecture 3
Subscriber Identity Module 4
SIM Application Toolkit 5
Extended GSM 900 - EGSM 5
WAP 6
CHAPTER 2
Level 2 Service Guide
Introduction 7
General Information 7
Different between A50 and 1168 7
A50 Series Technical Information 8
Accessories 10
A50/1168 Mechanical Diagram 12
Mechanical Concept 13
A50/1168 Spare Parts Level 1 & Level 2 14
Disassemble the A50/1168 15
Assemble the A50/1168 19
Mobile Software Programming 22
Customer Specific Initialization 25
International Mobile Equipment Identity 25
Phone Unblocking 26
Internet Solution 27
CHAPTER 3
Siemens Service Equipment
Introduction 28
Other equipment 30
Software Installation 31
Configuring the test software 32
Running the test sequence 33
ANNEX A – Test SIM Information 37
ANNEX B – Service Equipment List 38

Siemens A50 Specifications

General

Display resolution	101 x 64 pixels
Networking type	GSM
Operating frequency	900, 1800 MHz
Display number of lines	5 lines
Internal memory	0 MB
WAP	1.2.1
Multimedia Messaging Service (MMS)	Multimedia Messaging Service (MMS) is a standard way to send messages that include multimedia content to and from a mobile phone over a cellular network
Ringer type	Monophonic
Microphone included	Yes
Form factor	Bar
Phonebook capacity	50 entries
Text prediction system type	T9
Personal info management (PIM)	Alarm clock, Calculator
Talk time (2G)	5 h
Battery capacity	600 mAh
Standby time (2G)	250 h
Product color	Blue

Weight and Dimensions

Depth	23 mm
Width	46 mm
Height	109 mm
Weight	95 g