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Siemens AX75 Service Repair Documentation
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Siemens AX75 Service Repair Documentation

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Company Confidential
Copyright 2004© Siemens AG
Service Repair Documentation
Release
1.0
Service Repair Documentation
TI_Repair_L2,5L_AX75_R1.0
Level 2.5 – AX75
Date
17.05.2005
ICM MP CC GRM T
Department
Page
of
1
10
s Com
Notes to change
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Summary of Contents for Siemens AX75

  • Page 1 Com Company Confidential Copyright 2004© Siemens AG Service Repair Documentation Level 2.5 – AX75 Release Date Department Notes to change 17.05.2005 ICM MP CC GRM T New document Page Service Repair Documentation TI_Repair_L2,5L_AX75_R1.0...
  • Page 2 General Test Instruction document (both documents are available in the Technical Support section of the C-market). Check at least weekly C-market for updates and consider all AX75 related Customer Care Information AX75 Partnumber on IMEI label: S30880-S7800-#xxx , while # may be any letter (A-Z) and xxx may be any number from 100, 101, 102..

  • Page 3: Table Of Contents

    Com Company Confidential Copyright 2004© Siemens AG Table of Content AX 75 board layout ........................4 Connector SIM Card Reader ......................5 Connector IO Jack.........................6 Connector Battery .........................7 Connector Display .........................8 IRDA Diode ...........................9 LED_Keypad ...........................T11 Page Service Repair Documentation TI_Repair_L2,5L_AX75_R1.0...

  • Page 4: Ax75 Board Layout

    Com Company Confidential Copyright 2004© Siemens AG 1 AX75 board layout Jigs, Tools and Working materials for all described repairs: hot air blower soldering gun tweezers flux solder Connector IO-Slim IRDA Battery Jack Connector SIM Capacitor, Card Reader Resistor, Filter LED´s...

  • Page 5: Connector Sim Card Reader

    Com Company Confidential Copyright 2004© Siemens AG 2 Connector SIM Card Reader Fault Symptoms Customer: GRT: Handset does not accept SIM card SIM Card Problems SIM Card Problems Watch for oxidation and not okay SCRAP has to be damaged pads of the SIM...

  • Page 6: Connector Io Jack

    Com Company Confidential Copyright 2004© Siemens AG 3 Connector IO Jack Fault Symptoms Customer: GRT: Charging Problems No connection to GRT Problems with external loudspeaker or microphone when using a car kit Tbd. Problems with accessories connected at the IO connector...

  • Page 7: Connector Battery

    Com Company Confidential Copyright 2004© Siemens AG 4 Connector Battery Fault Symptoms Customer: GRT: Mobile does not switch on No connection to GRT Battery connector Problems Watch for oxidation and SCRAP has to be not okay damaged pads of the battery...

  • Page 8: Connector Display

    Com Company Confidential Copyright 2004© Siemens AG 5 Connector Display Fault Symptoms Customer: GRT: Display problems, like missing lines or columns on Display problems the LCD or display contrast problems or illumination problems Display connector Problems Watch for oxidation and...

  • Page 9: Irda Diode

    Com Company Confidential Copyright 2004© Siemens AG 6 IRDA Diode Fault Symptoms Customer: GRT: IRDA does not work Tbd. IRDA Problems Watch for oxidation and SCRAP has to be not okay damaged pads of the IRDA send separately to...

  • Page 10: Led_Keypad

    Com Company Confidential Copyright 2004© Siemens AG 7 LED_ KEYPAD Fault Symptoms Customer: GRT: Keypad Background Tbd. illumination does not work LED’s Problems SCRAP not okay has to be Watch for oxidation and send separately to damaged pads of the LED’S...