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Siemens A70 - Service Repair Documentation Manual
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Copyright 2005© Siemens AG
Page
1
of
53
TD_Repair_L2.5_A70_A75_R1
.0.pdf Release
1.0
Service Repair Documentation
Level 2.5e – A70, A75
Release
Date
Department
Notes to change
1.0
06.06.2005
ICM MP CCQ GRM T
New document
2
Table of Contents
Main Page
Default Chapter
2
Table of Contents
2
1 Instruction
4
2 List of Available Level 2,5E Parts A70
5
3 List of Available Level 2,5E Parts A75
6
4 Required Equipment for Level 2,5E
8
5 Required Software for Level 2,5E
8
6 Radio Part
9
Block Diagram Rf Part
10
Power Supply Rf-Part
11
Frequency Generation
11
Receiver
15
Transmitter
16
Bright IC Overview
17
Antenna Switch (Electrical/Mechanical)
19
7 Logic / Control
22
Overview of Hardware Structure A70
22
Overview of Hardware Structure A75
23
Egoldlite
24
Sram
30
Flash
30
Sim
30
Vibration Motor
30
Display Modules
31
Illumination - Keyboard
33
8 Acoustic
34
9 Power Supply, Battery and Charging
34
Power Supply Asic
35
Battery
42
Charging Concept
43
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