Siemens C75 Service Repair Documentation
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Siemens C75 Service Repair Documentation

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Company Confidential
Copyright 2005© Siemens AG
Service Repair Documentation
Release
1.0
Service Repair Documentation
TI_Repair_L2,5L_C75_R1.0
Level 2.5 light – C75
Date
08.06.2005
ICM MP CCQ GRM T
Department
Page
of
1
13
s Com
Notes to change
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Summary of Contents for Siemens C75

  • Page 1 Com Company Confidential Copyright 2005© Siemens AG Service Repair Documentation Level 2.5 light – C75 Release Date Department Notes to change 08.06.2005 ICM MP CCQ GRM T New document Page Service Repair Documentation TI_Repair_L2,5L_C75_R1.0...
  • Page 2 It has to be ensured that every repaired mobile Phone is checked according to the latest released 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 C75 related Customer Care Information Partnumber on IMEI label: S30880-S6970-#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 2005© Siemens AG Table of Content C75 board layout ...........................4 Connector SIM Card Reader ......................5 Connector IO Jack.........................6 Connector Board to Board......................8 Connector Battery .........................9 Connector Camera ........................10 Connector Display ........................10 IRDA ............................12 JOYSTICK ...........................13...

  • Page 4: C75 Board Layout

    Company Confidential Copyright 2005© Siemens AG 1 C75 board layout Jigs, Tools and working materials for all described repairs: hot air blower soldering gun tweezers flux Connector Joystick Connector solder Board to Display Board Connector IRDA Connector IO Jack Camera...

  • Page 5: Connector Sim Card Reader

    Com Company Confidential Copyright 2005© Siemens AG 2 Connector SIM Card Reader Fault Symptoms Customer: GRT: Handset does not accept SIM card SIM Card Problems Connector SIM Card Reader Use soldering iron to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards.

  • Page 6: Connector Io Jack

    Com Company Confidential Copyright 2005© 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 Connector IO Jack Use soldering iron to remove defective component.
  • Page 7 Com Company Confidential Copyright 2005© Siemens AG Important additional soldering hints The MMC Reader is located on the opposite of the SLIM-Lumberg connector. Therefore the risk to damage the plastic material of this MMC-Reader is potentially high if excessive heat is used while removal or soldering of the SLIM-Lumberg connector.

  • Page 8: Connector Board To Board

    Com Company Confidential Copyright 2005© Siemens AG 4 Connector Board to Board Fault Symptoms Customer: GRT: Keyboard malfunction Keyboard malfunction Keypad illumination does not work Tbd. Connector Board to Board Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards.

  • Page 9: Connector Battery

    Com Company Confidential Copyright 2005© Siemens AG 5 Connector Battery Fault Symptoms Customer: GRT: Mobile does not switch on No connection to GRT Connector BATTERY Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards.

  • Page 10: Connector Camera

    Com Company Confidential Copyright 2005© Siemens AG 6 Connector Camera Fault Symptoms Customer: GRT: Camera malfunction Tbd. Connector CAMERA Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards. E-commerce order number:...

  • Page 11: Connector Display

    Com Company Confidential Copyright 2005© Siemens AG 7 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 Connector DISPLAY Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards.

  • Page 12: Irda

    Com Company Confidential Copyright 2005© Siemens AG 8 IRDA Fault Symptoms Customer: GRT: No infrared connection possible Tbd. IRDA Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards. E-commerce order number:...

  • Page 13: Joystick

    Com Company Confidential Copyright 2005© Siemens AG 9 JOYSTICK Fault Symptoms Customer: GRT: Joystick malfunction Tbd. Joystick Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards. E-commerce order number: L36315-Z77-C218...

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