Siemens A62 Service Repair Documentation

Company Confidential s Com
Copyright 2005© Siemens AG
Page 2 of 53
TD_Repair_L2.5_A70_A75_R1.0.pdf Release 1.0
Table of Contents:
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
6.1 BLOCK DIAGRAM RF PART 10
6.2 POWER SUPPLY RF-PART 11
6.3 FREQUENCY GENERATION 11
6.4 RECEIVER 15
6.5 TRANSMITTER 16
6.6 BRIGHT IC OVERVIEW 17
6.7 ANTENNA SWITCH (ELECTRICAL/MECHANICAL) 19
7 Logic / Control 22
7.1 OVERVIEW OF HARDWARE STRUCTURE A70 22
7.2 OVERVIEW OF HARDWARE STRUCTURE A75 23
7.3 EGOLDLITE 24
7.4 SRAM 30
7.5 FLASH 30
7.6 SIM 30
7.7 VIBRATION MOTOR 30
7.8 DISPLAY MODULES 31
7.9 ILLUMINATION – KEYBOARD 33
8 Acoustic 34
9 Power Supply, Battery and Charging 34
9.1 POWER SUPPLY ASIC 35
9.2 BATTERY 42
9.3 CHARGING CONCEPT 43

Siemens A62 Specifications

General

Brand	Siemens
Model	A62
Category	Cell Phone
Language	English