Siemens S55 Repair Documentation
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Siemens S55 Repair Documentation

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S55/57
(Hitachi Chipset)
Level 2.5e
Repair Documentation
V 1.00
Version
Date
Department
Notes to change
V 1.00
Dec 2002
ICM MP CCQ GRM
New document
V1.00
Page 1 of 49
ICM MP CCQ GRM
S55/S57
Company Confidential © Copyright Siemens AG
12/02

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  • Page 1 (Hitachi Chipset) Level 2.5e Repair Documentation V 1.00 Version Date Department Notes to change V 1.00 Dec 2002 ICM MP CCQ GRM New document V1.00 Page 1 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 2: Table Of Contents

    Table of Contents: LIST OF AVAILABLE LEVEL 2,5E PARTS S55/S57......... 4 REQUIRED EQUIPMENT FOR LEVEL 2,5E ............5 REQUIRED SOFTWARE FOR LEVEL 2,5E S55/S57 ........5 RADIO PART ...................... 6 Power Supply RF-Part ..................7 Frequency generation ..................8 4.2.1 Synthesizer: The discrete VCXO (26MHz)................8...
  • Page 3 DISPLAY AND ILLUMINATION................ 46 Display......................46 Illumination ....................46 KEYBOARD ....................47 BLUETOOTH (ONLY S55)................47 11.1 Bluetooth Voltage Regulator ..............48 IRDA....................... 49 V1.00 Page 3 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 4: List Of Available Level 2,5E Parts S55/S57

    Quarz/Egold L36145-F102-Y10 Z211 Filter Logic/IO_Interface L36197-F5000-F116 Z850 1LO_VCO L36145-G100-Y96 Z851 Filter Filter_BALUN L36145-K260-Y41 Z880 Ant_Switch_Diplexer L36145-K280-Y244 Z900 Power_Amplifier L36851-Z2002-A59 Z950 Quartz Oszillator_26MHz L36145-F260-Y17 V1.00 Page 4 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 5: Required Equipment For Level 2,5E

    Software for GSM-Tester ( Cats(Acterna/Wiltek) or CMU-GO(Rohde&Schwarz) ) Software for reference oscillator adjustment Internet unblocking solution Dongle driver for USB-Dongle if used with WIN NT4 V1.00 Page 5 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 6: Radio Part

    4 Radio Part The radio part of the S55/S57, is using a Hitachi and an Infineon RF chip-set. This manual covers the Hitachi chip-set. The radio part is designed for Tripple Band operation, covering EGSM900, GSM1800 as well as GSM 1900 frequencies, and can be divided into 4 Blocks.

  • Page 7: Power Supply Rf-Part

    Circuit diagram VCC2_8 VCC_SYN Between Power Supply ASIC and RF-Part a resistor based interface consisting of resistor R841 VCC2_8 R843 VCC_SYN is used . V1.00 Page 7 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 8: Frequency Generation

    4.2 Frequency generation 4.2.1 Synthesizer: The discrete VCXO (26MHz) The S55/S57 mobile is using a reference frequency of 26MHz for the Hitachi chip set. The generation of the 26MHz signal is done via a discrete “Colpitts” VCXO. This oscillator consists mainly of:...
  • Page 9 Circuit diagram from EGOLD to Bright IC V1.00 Page 9 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 10: Synthesizer: Lo1

    Formula to calculate the RX frequencies: EGSM900 = Channel freq. * 4 GSM1800 = Channel freq. * 2 GSM1900 = Channel freq. * 2 V1.00 Page 10 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...
  • Page 11 ~ 2dB to arrive at the Bright IC. The required voltage VCC8_8 is provided by the ASIC D361 Circuit diagram from EGOLD+ Bright 4 26MHz Balun transformer V1.00 Page 11 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 12: Synthesizer: Lo2

    640/656MHz VCO. The required voltage VCC_SYN is provided by the ASIC D361 Circuit diagram Loop-filter LO2 V1.00 Page 12 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 13: Synthesizer: Pll

    4.2.4 Synthesizer: PLL PLL as a part of the BRIGHT IC Blockdiagram V1.00 Page 13 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 14: Antenna Switch (Electrical/Mechanical)

    TXON_GSM are required As a new feature the S55/S57 has an integrated “SAR detection” circuit. This circuit is used to decide if the internal antenna or an external antenna is used. The goal is, to reduce the transmit power when the internal antenna is used and the mobile is held very close to the body.
  • Page 15 The electrical antenna switch to Antenna Bright V1.00 Page 15 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...
  • Page 16 Z880 Top View V1.00 Page 16 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 17: Receiver

    PGA- Amplification and switching the appropriate LNA gains The required voltage VCC_SYN is provided by the ASIC D361 V1.00 Page 17 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...
  • Page 18 Circuit diagram from LO1 from antenna progr. signals to EGOLD+ V1.00 Page 18 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 19: Ic Overview

    4.4.2 IC Overview IC Overview BRIGHT IV V1.00 Page 19 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 20: Transmitter

    (~1,5MHz) guarantees that the regulating process is considerably quicker than the changes in the modulation signal. The required voltage VCC_SYN VCC2_8 is provided by the ASIC D361 from EGOLD+ to PA V1.00 Page 20 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 21: Transmitter: Power Amplifier

    TX- Blockdiagram of LML240 (PA control IC) PA_ON Comp Comp 10 9 8 7 6 view 1 2 3 4 5 V1.00 Page 21 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 22: Logic / Control

    5 Logic / Control 5.1 Overview of Hardware Structure 5.1.1 Logic Block Diagram Part RF Control 5.1.2 Block Diagram S55/S57 Control Part V1.00 Page 22 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 23: Egold

    • Control of base band processing (EGAIM) • Central operating system functions (general functions, chip select logic, HW driver, control of mobile phones and accessories...). V1.00 Page 23 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...
  • Page 24 • 1 D/A converter for the Power Ramping Signal, • 1 Sigma Delta A/D and D/A converter for the linguistic signal. Blockdiagram EGAIM inside the EGOLD V1.00 Page 24 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...
  • Page 25 R146 to the EGOLD+ (Analog . An analogue multiplexer does the switching between the baseband signal Interface P1) processing and the voltage measurement. V1.00 Page 25 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...
  • Page 26 After loading into an 10 bit latch the control value will be converted into the corresponding analogue voltage with a maximum of ~2V Key-Value V1.00 Page 26 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 27: Sram

    5.1.5 FLASH Memory Size: 64Mbit (8 Mbyte) Data Bus: 16 Bit 5.1.6 SIM SIM cards with supply voltages of 1.8V and 3V are supported. V1.00 Page 27 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 28: Vibration Motor

    • PWM Mode for active mode of the Mobile Phone. The mode change is controlled by the ASIC with the signal EN_DC_DOWN based on EGOLD+ signal VCXO_EN. V1.00 Page 28 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 29: Pinout Diagram

    6.1.1 Pinout diagram V1.00 Page 29 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 30: Power Supply Diagram

    6.1.2 Power Supply Diagram V1.00 Page 30 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 31: Power Supply Operating Mode

    LDO undervoltage detection, clock and reference voltages are active. LDOs are working in low current mode. The battery voltage comparators are available, the audio block can be switched on. V1.00 Page 31 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 32: Power Supply Functions

    To guarantee that the connection of the a charging unit with a very low battery is detected, this detection must work level sensitive at the end of POR signal. V1.00 Page 32 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...
  • Page 33 WD criteria occurs. TA0, TA1 ~ 0.4 sec TB0, TB1 ~ 3 sec V1.00 Page 33 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 34: Battery

    NTC. The NTC for the ambient temperature will be on the PCB (26 MHz part). V1.00 Page 34 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...
  • Page 35 Q-branch. Processing in the DSP circuit will be done analogue to the I-branch. The EGOLD will be specified internally at voltage measurement input BATT+ for an input voltage of 3V...4.5V. V1.00 Page 35 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...
  • Page 36 At 2C, the same battery delivers 2000mA for 30 minutes. 1C is often referred to as a one-hour discharge; a 0.5 would be a two-hour, and a 0.1C a 10 hour discharge. V1.00 Page 36 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...
  • Page 37 Customer safety will not be affected by this restriction. V1.00 Page 37 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 38: Interfaces

    “earpiece” (earpiece, ringer, handsfree function). EPN1 2nd connection to the internal earpiece. Earpiece can be switched off in the case of accessory operation. V1.00 Page 38 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 39: Microphone

    GND_MIC 7.4 Battery XG181 Name Level Remarks Ground AKKU_TYP 0V...2.65V Recognition of battery/supplier BATT+ 3 V... 4.5V Positive battery pole V1.00 Page 39 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 40: Io Connector With Esd Protection

    AUDIO_R Analog driving ext. right speaker With mono-headset Audio_L and Audio_R differential Signal GND_MIC Analog for ext. microphone MICP2 Analog External microphone V1.00 Page 40 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 41: Esd Protection With Emi Filter

    Electrostatic Discharge (ESD) voltages up to 8 kV. Pin configuration of the Z211 Z211 Circuit Configuration V1.00 Page 41 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 42: Sim

    Power supply display controller LCD_LED2_A Power supply display led 2 LIGHT_K Switched GND for display led 1 and led 2 LCD_LED1_A Power supply display led 1 V1.00 Page 42 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 43: Acoustic

    MICN1, MICP1 (Internal Microphone )and MICN2, MICP2 (External Microphone/Headset). Power supply for the Microphone is VMIC (EGOLD+.( Analog Interface G1) V1.00 Page 43 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 44: Soundchip

    ASIC. The clock for the D400 (SND_13MHZ/ ) is made inside the EGOLD+, based of the 26MHZ Miscellaneous U6 VCO. TOP VIEW Blockdiagram V1.00 Page 44 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 45: Earpiece/Loudspeaker

    The ringing tones are generated with the loudspeaker too. To activate the ringer, the signal RINGIN from the EGOLD+ ) is used Miscellaneous,D16 to ASIC from Bright EGOLD+ V1.00 Page 45 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 46: Display And Illumination

    With LIGHT_OFF_N. ) the illumination can be switched GSM TDMA-Timer G15 “on” and “off” during the TX timeslot. Placed on the MMI Board V1.00 Page 46 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 47: Keyboard

    RX=J5, J6). With the signals RXON (D450, E9) and TXON (D450, D9) the antenna is switched to RX or TX. RXON TXON V1.00 Page 47 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 48: Bluetooth Voltage Regulator

    The Voltage Regulator N450 generates 2.7 Volt for the Bluetooth Chipset. The EGOLD+ activates the voltage with the signal BT_ON ( GSM TDMA-Timer F17 V1.00 Page 48 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

  • Page 49: Irda

    It is not possible to use the IRDA interface and the Bluetooth interface at the same time. Name IN/OUT Remarks IR_OFF Activate IRDA IR_BT_TX TX (serial interface multiplexed with Bluetooth) IR_BT_RX RX (serial interface multiplexed with Bluetooth) V1.00 Page 49 of 49 ICM MP CCQ GRM S55/S57 Company Confidential © Copyright Siemens AG 12/02...

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