Siemens S57 Manuals

Manuals and User Guides for Siemens S57. We have 1 Siemens S57 manual available for free PDF download: Repair Documentation

Siemens S57 Repair Documentation

Siemens S57 Repair Documentation (49 pages)

Brand: Siemens | Category: Cell Phone | Size: 2.06 MB

Table of Contents

Table of Contents
2
1 List of Available Level 2,5E Parts S55/S57

4
2 Required Equipment for Level 2,5E

5
3 Required Software for Level 2,5E S55/S57

5
4 Radio Part

6
- Power Supply RF-Part
  7
- Frequency Generation
  8
  - Synthesizer: the Discrete VCXO (26Mhz)
    8
  - Synthesizer: LO1
    10
  - Synthesizer: LO2
    12
  - Synthesizer: PLL
    13
- Antenna Switch (Electrical/Mechanical)
  14
- Receiver
  17
  - Receiver: EGSM900/GSM1800/GSM1900 -Filter to Demodulator
    17
  - IC Overview
    19
- Transmitter
  20
  - Transmitter: Modulator and Up-Conversion Loop
    20
  - Transmitter: Power Amplifier
    21
5 Logic / Control

22
- Overview of Hardware Structure
  22
  - Logic Block Diagram
    22
  - Block Diagram S55/S57 Control Part
    22
  - Egold
    23
  - Sram
    27
  - Flash
    27
  - Sim
    27
  - Vibration Motor
    28
6 Power Supply

28
- Power Supply ASIC
  28
  - Pinout Diagram
    29
  - Power Supply Diagram
    30
  - Power Supply Operating Mode
    31
  - Power Supply Functions
    32
- Battery
  34
- Charging Concept
  34
7 Interfaces

38
- Vibra
  38
- Earpiece
  38
- Microphone
  39
- Battery
  39
- IO Connector with ESD Protection
  40
  - IO Connector - New Slim Lumberg
    40
  - ESD Protection with EMI Filter
    41
- Sim
  42
- Display
  42
8 Acoustic

43
- Microphone
  43
  - Mechanical
    43
  - Electrical
    43
- Soundchip
  44
- Earpiece/Loudspeaker
  45
  - Mechanical
    45
  - Electrical
    45
9 Display and Illumination

46
- Display
  46
- Illumination
  46
10 Keyboard

47
11 Bluetooth (Only S55)

47
- Bluetooth Voltage Regulator
  48
12 Irda

49

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